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  • PTAB · May 12, 2026 · IPR2024-01487 · APJ Kristina M Kalan · IPR · Final written decision

    Claims 1–5, 7, 8, 20–22, 24, and 25 are unpatentable, based on anticipation by Bergstrom and obviousness over the stated combinations.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “In the Institution Decision, we adopted Petitioner’s definition. Dec. 9–10. In its Response, Patent Owner cites to Petitioner’s definition and states that Patent Owner “applies Petitioners’ definition.” PO Resp. 7. Because Petitioner’s definition of the level of skill in the art is consistent with the ’138 patent and the asserted prior art, we maintain it for purposes of this Final Written Decision. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001).” slip op. at 10

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Term construed board ownDecided for petitioner

      “We begin our analysis with the language of the claims. Phillips, 415 F.3d at 1312; see also SuperGuide Corp. v. DirecTV Enterprises, Inc., 358 F.3d 870, 874–875 (Fed. Cir. 2004) (“There is a ‘heavy presumption’ that the terms used in the claims ‘mean what they say and have the ordinary meaning that would be attributed to those words by persons skilled in the relevant art.’”). Claim 1 recites, in relevant part, “said fluid flow control structure being a layered structure comprising a non-perforated fibrous polymeric layer and a first perforated polymeric layer.” Ex. 1001, 13:62–64 (limitation [1h]). The plain language of claim 1 does not address additional properties of the perforated polymeric layer; the language of the dependent claims, however, imposes additional limitations on the properties of the perforated polymeric layer such as a particular basis weight (claim 2), a particular makeup (claim 3), a particular aperture size (claim 7), a particular open area (claim 8), and that it “is a three-dimensionally formed layer having penetrating apertures extending from a first surface of the first perforated polymeric layer towards a second surface of the first perforated polymeric layer and forming protrusions on said second surface” (claim 4). The dependent claims’ additional language indicates that the term “perforated” within the term “perforated polymeric layer” in claim 1 is not limited in the manner asserted by Patent Owner’s proposed construction.” slip op. at 12

    • Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable

      “layer pierced through with holes or apertures,” we are persuaded that Petitioner meets its burden as to this limitation. Petitioner argues that under our construction, Bergstrom’s express disclosure of forming element 60, and Bergstrom’s explanation of the properties of forming element 60, meets the claimed “perforated polymeric layer” limitation. Pet. 38–41 (citing Ex. 1002 ¶¶ 114–117). Even under Patent Owner’s proposed construction, Petitioner argues, forming element 60 would also allow free flow of liquid bodily waste. Pet. Reply 3– 4 (citing Ex. 1021 ¶¶ 20–23). Importantly, Bergstrom expressly discloses: “suitable materials for the forming element 60 are plastic films, perforated plastic films and reinforced tissue or reinforced nonwoven materials.” Ex. 1004, 10:1–4. This express disclosure is clear. Even though the forming element 60 in Bergstrom might be “typically” liquid-impermeable (Ex. 1004, 9:24–30), that does not preclude a layer that is perforated, particularly where Bergstrom expressly discloses a perforated plastic film as one of the possibilities for forming element 60. Ex. 1004, 10:1–4. Additionally, although Patent Owner focuses on Bergstrom’s disclosure that forming element 60 is “typically liquid-impermeable” (PO Resp. 58–60; Ex. 1004, 9:24–30), we do not view Bergstrom’s use of the word “typically” as mandating that the forming element always be liquid impermeable. We agree that the word “typically” does not mean “always” and that such a reading would render “typically” superfluous. Pet. Reply. 5. We do not find any ambiguity in Bergstrom’s disclosure regarding possible use of perforated plastic films for its forming element 60; whether or not the forming element 60 provides other functions (like stiffness) does not dictate whether it may also be perforated, or be part of a fluid flow control structure. On this point, we credit Petitioner’s arguments and explanation, as supported by Dr. Pourdeyhimi’s testimony. Pet. Reply 6–7; Ex. 1021 ¶ 27–28 (“components of absorbent articles could be multifunctional”).” slip op. at 20

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “from the start” (PO Resp. 29), and that “using all or part of [Glaug’s] fluid-acquisition system in place of [Nakazawa’s] diffusion sheet would be antithetical to the teachings of both references” (id. at 35), we agree that the proposed combination of Nakazawa’s structure with the layers of Glaug is sufficiently motivated and reasonably expected to result in a successful article, for the reasons articulated by Petitioner. See, e.g., Pet. 59–65; Ex. 1002 ¶¶ 176–192. Namely, although fluid may flow in both Z directions in Nakazawa (PO Resp. 30), that does not foreclose the combination with Glaug in the manner proposed by Petitioner. See generally Ex. 1002 ¶¶ 176–192; see id. ¶ 184 (detailing the mechanics of the proposed combinations), ¶¶ 188–191 (discussing motivation to combine), ¶ 192 (discussing reasonable expectation of success). The combination can be achieved “either by adding the lower acquisition layer 64 [of Glaug] to diffusion sheet 63 [of Nakazawa], or by replacing diffusion sheet 63 [of Nakazawa] with the two-layer fluid acquisition system 34 [of Glaug],” and as persuasively explained by Dr. Pourdeyhimi, the arrangement constitutes a “fluid flow control structure.” See Ex. 1021 ¶¶ 45–47. Additionally, the diffusion sheet in Nakazawa can be made from the same material as used in Glaug, namely, AquiDry™. Id. ¶¶ 53–55; see also Tr. 17:25–18:3 (“although Glaug does not specify the name AquiDry in its disclosure, Patent Owner’s expert testified that it’s his understanding that Glaug is discussing the AquiDry material, the same material that is in Nakazawa . . . . they disclose using the same material, and Nakazawa says this material work[s]”). When asked if Patent Owner’s expert had any concerns that AquiDry was not the same as between Nakazawa and Glaug, Patent Owner’s counsel replied “They are the same, Your Honor. And we embrace that.” Tr. 46:8–12; see also id. at 58:19 (Petitioner’s counsel commenting about Patent Owner’s counsel: “they agree, AquiDry is used in both Nakazawa and Glaug”). Thus, Patent Owner’s argument that Nakazawa’s diffusion sheet and Glaug’s fluid acquisition layer have different purposes because Nakazawa’s diffusion sheet allegedly must promote fluid flow in the Z-directions, both toward and away from the body (PO Resp. 29–37; Ex. 2004 ¶¶ 26–28, 30– 35)) is not clearly supported by Nakazawa, and is also contravened by the shared disclosure of Nakazawa and Glaug as to the composition of the disputed layer. We have reviewed the complete record, including Patent Owner’s and Mr. Sheldon’s assertions that Nakazawa requires promoting fluid flow in both Z-directions (see id.), but find that Petitioner carries its burden to demonstrate that one of ordinary skill in the art would have been motivated to combine Nakazawa and Glaug with a reasonable expectation of success. On this complete record, Petitioner explains sufficiently why and how a person of ordinary skill would modify Nakazawa’s diffusion sheet, i.e., to use Glaug’s fluid acquisition system, or the lower non-perforated layer of its fluid acquisition system, in Nakazawa, and Petitioner provides well-supported reasons for doing so.” slip op. at 36

    Patent outcomesUS 9,308,138 unpatentable
    Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 9,308,138
  • PTAB · Mar 9, 2026 · IPR2024-01458 · APJ Kristina M Kalan · IPR · Final written decision

    Claims 1, 7, 8, and 11 are unpatentable as obvious over Lee-based combinations; the Gilbert-based grounds did not establish unpatentability.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “Pet. 15 (citing Ex. 1003 ¶ 18). Petitioner further argues a “POSA would have been familiar with electrically powered cigarettes and their components and underlying technologies or similar components and technologies.” Id. “For the purposes of this Response,” Patent Owner “does not dispute Petitioner’s proposed level of skill in the art.” Resp. 17. On this complete record, we adopt Petitioner’s unopposed definition because it appears consistent with the’788 patent and the prior art of record. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (holding that the prior art itself can reflect the appropriate level of ordinary skill in the art).” slip op. at 8

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

      “Patent Owner states that “Petitioner and [Petitioner’s declarant] Mr. Kodama interpret the meaning of the claims based on [Patent Owner’s] construction of the claims by its allegations of infringement in the ongoing litigation.” Resp. 18. Patent Owner further states that for “the purposes of this response,” it “agrees on how the claims are to be construed.” Id. Upon review of the record, we determine that no claim terms require express construction. See Realtime Data, LLC v. Iancu, 912 F.3d 1368, 1375 (Fed. Cir. 2019) (“The Board is required to construe ‘only those terms . . . that are in controversy, and only to the extent necessary to resolve the controversy.’”) (quoting Vivid Techs., Inc. v. Am. Sci. & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999)).” slip op. at 9

    • Expert testimonyPetitioner expert creditedDecided for petitioner

      “the combination of proposed references would operate. As shown in Petitioner’s proposed modification, the Gilbert bulb would have been modified to fit the Lee device. Pet. 57 (annotated Figure); Ex. 1003 ¶ 123 (stating that the combination would work “by merely replacing [Lee’s] heating element (133) with this bulb heater inside of the vaporization unit (14)” and the “bulb heater could be connected to [Lee’s] electric circuit board (111) and battery assembly (11) in a very similar fashion to the nichrome wire heater represented in Lee”); Reply 29–30 (explaining Petitioner’s annotated figure wherein “the fiber rod is not encapsulated inside the bulb”); Ex. 1026 ¶¶ 29–30 (clarifying how the fiber in Petitioner’s proposed combination from its annotated Figure in the Petition extends to, and makes contact with, the outside of the bulb, putting the fluid into direct contact with the bulb; explaining various simple ways a POSA would understand to accomplish this). We credit Petitioner’s proposal and Mr. Kodama’s testimony in this regard. Therefore, we agree that Lee would not have to be “significantly modified or reimagined” as alleged by Patent Owner, nor would the inclusion of a bulb in the Lee device “render Lee inoperable” in view of the modifications to the Gilbert bulb included in Lee, as proposed by Petitioner. Resp. 30–31.” slip op. at 25

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “art would not have combined Lee and Gilbert or Levin, particularly with respect to element [1d], we are persuaded by Petitioner’s arguments that one of ordinary skill in the art would have been motivated to make the combination with a reasonable expectation of success. Petitioner states that the motivation to make the combination would have come from issues “with e-cigarettes at the time, such as metallic taste issues or inhalation risks associated with the use of a metal wire heating element,” and would have explored “heat conducting materials that could vaporize the nicotine liquid without making direct contact with the heating wire.” Pet. 57 (citing Ex. 1003 ¶ 117 (discussing the metallic flavor “dry hit” problem)); see also Reply 18–19. Additionally, Petitioner argues that one of ordinary skill in the art would have implemented “a heating element within a glass bulb to increase the life of the heating element and prevent failure of a device.” Id. at 57–58 (citing Ex. 1009 ¶ 4; Ex. 1003 ¶ 119), 59 (a “POSA would have been motivated to implement a heating element within a glass bulb like that described in Levin for all of the reasons described above” in connection with Gilbert). Petitioner depicts one example of how its proposed combination would incorporate the Gilbert bulb into the Lee device. Pet. 57 (citing Ex. 1003 ¶ 118)). Petitioner additionally relies on Levin’s disclosure that using a bulb will “allow for a consistent and reliable heat source” and “achieve a desired operating temperature when compared to conventional devices.” Id. at 59 (citing Ex. 1009 ¶¶ 56, 49). Mr. Kodama also notes the age and ubiquity of bulb heaters, credibly testifying that “a POSA would have been motivated to implement a bulb heater in the Lee device, and, due at least to the ubiquitous nature of such heaters, the implementation of such a heater would have been well within the knowledge and skill of a POSA.” Pet. 59; Reply 20; Ex. 1003 ¶¶ 39–48, 123. Petitioner also provides sufficient explanation as to “how” and “why” the combination of proposed references would operate. As shown in Petitioner’s proposed modification, the Gilbert bulb would have been modified to fit the Lee device. Pet. 57 (annotated Figure); Ex. 1003 ¶ 123 (stating that the combination would work “by merely replacing [Lee’s] heating element (133) with this bulb heater inside of the vaporization unit (14)” and the “bulb heater could be connected to [Lee’s] electric circuit board (111) and battery assembly (11) in a very similar fashion to the nichrome wire heater represented in Lee”); Reply 29–30 (explaining Petitioner’s annotated figure wherein “the fiber rod is not encapsulated inside the bulb”); Ex. 1026 ¶¶ 29–30 (clarifying how the fiber in Petitioner’s proposed combination from its annotated Figure in the Petition extends to, and makes contact with, the outside of the bulb, putting the fluid into direct contact with the bulb; explaining various simple ways a POSA would understand to accomplish this). We credit Petitioner’s proposal and Mr. Kodama’s testimony in this regard. Therefore, we agree that Lee would not have to be “significantly modified or reimagined” as alleged by Patent Owner, nor would the inclusion of a bulb in the Lee device “render Lee inoperable” in view of the modifications to the Gilbert bulb included in Lee, as proposed by Petitioner. Resp. 30–31.” slip op. at 24

    Patent outcomesUS 9,538,788 unpatentable
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 9,538,788
  • PTAB · Feb 24, 2026 · IPR2024-01203 · APJ Avelyn M Ross · IPR · Final written decision

    Claims 1–11 are unpatentable as obvious; claim 12 was not shown unpatentable because the evidence did not establish that Froitzheim’s silver contact was formed over silicon dioxide.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “Petitioner contends that a person of ordinary skill in the art would have had (i) an advanced degree in electrical engineering, mechanical engineering, applied physics, chemistry, materials science, or a related discipline and (ii) at least one year of experience 7 Neither Petitioner nor Patent Owner raises issues of objective indicia of nonobviousness. designing, developing, or researching the design and/or manufacture of solar cells or related technologies. Alternatively, a POSITA [i.e., a person of ordinary skill in the art] would have had (i) a bachelor’s degree in the aforementioned disciplines and (ii) at least two years of experience designing, developing, or researching the design and/or manufacture of solar cells or related technologies. Less work experience may be compensated by a higher level of education, and vice versa.” slip op. at 8

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

      “C. Claim Construction We construe claim terms according to the standard set forth in Phillips v. AWH Corp., 415 F.3d 1303, 1312–17 (Fed. Cir. 2005) (en banc); 37 C.F.R. § 42.100(b). Under Phillips, we give claim terms “their ordinary and customary meaning.” Phillips, 415 F.3d at 1312. “[T]he ordinary and customary meaning of a claim term is the meaning that the term would have to a person of ordinary skill in the art in question at the time of the invention.” Id. at 1313. “Importantly, the person of ordinary skill in the art is deemed to read the claim term not only in the context of the particular claim in which the disputed term appears, but in the context of the entire patent, including the specification.” Id.” slip op. at 9

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “We are persuaded that Petitioner has shown a reasonable expectation of success in the combination of Froitzheim and Gan. Petitioner explains that the combination of Froitzheim and Gan simply replaces one emitter, i.e., Froitzheim’s diffused emitter, with the polysilicon emitter of Gan. Pet. 36. According to Petitioner, a person of ordinary skill in the art would have also readily understood how to replace a diffused emitter with a polysilicon emitter and oxide layer [and] would have understood that instead of diffusing boron into the substrate’s back side as taught by Froitzheim, a [person of ordinary skill in the art] would instead follow the manufacturing technique taught by Gan. Pet. 37 (citing Ex. 1005, 246). Petitioner explains that the Gan processes are well-known and routine, and Dr. Holman states that “modifying Froitzheim in view of Gan simply involves using Gan’s known technique of a polysilicon emitter and oxide layer with Froitzheim’s known solar cell to improve Froitzheim’s solar cell in a similar way.” Pet. 37 (citing Ex. 1003 ¶ 144). For example, Petitioner directs our attention to “multiple instances” in which oxide layers and polysilicon emitters have been implemented successfully in the art. Pet. 37 (citing Ex. 1005, 246; Ex. 1006 ¶ 22; Ex. 1046, Abstr., 1121; Ex. 1003 ¶ 145). Furthermore, Gan’s statement that “cell performance can be improved if the diffused-emitter is replaced with the polysilicon emitter” and “polysilicon emitters with low J0 and ρc can be obtained with a very small fraction of interfacial oxide breakup” indicate a reasonable expectation of success. Ex. 1005, 245, 249. Gan also states that “polysilicon emitters with these qualities can be quite useful for silicon concentrator solar cells.” Ex. 1005, 249. Thus, we are persuaded that Petitioner has demonstrated that a person of ordinary skill in the art would have had a reasonable expectation of success in combining Froitzheim and Gan.” slip op. at 17

    • Obviousness (§103) › Motivation to combine / reasonable expectation of success › Teaching awayTeaching away not foundDecided for petitioner

      “We are not persuaded the record evidence rises to the level of a teaching away. “A reference may be said to teach away when a person of ordinary skill, upon reading the reference, would be discouraged from following the path set out in the reference, or would be led in a direction divergent from the path that was taken by the applicant.” In re Gurley, 27 F.3d 551, 553 (Fed. Cir. 1994). And “teaching away” requires more than the mere expression of a general preference.” Galderma Labs., L.P., v. Tolmar, Inc., 737 F.3d 731, 738 (Fed. Cir. 2013). Notably, our reviewing court has determined that a reference can distinguish prior art in order to show the novelty of an invention without teaching away from combining the prior art with the invention disclosed in the reference. See Ricoh Co. v. Quanta Computer Inc., 550 F.3d 1325, 1332 (Fed. Cir. 2008). Here, Li prefers a “heterogeneous PN junction” and states that “a PN junction is prepared by a low-temperature deposition method, which avoids a conventional diffusion process at 800–1000°C. Such high-temperature process will cause more defects or contamination in silicon material, which will affect the improvement of cell efficiency.” Ex. 1008, 4. But, Li’s preference for lower temperature diffusion processes does not amount to a teaching away from the broader disclosure. In fact, Li acknowledges that “[t]he silicon thin film can be prepared by any deposition method,” including conventional processes at higher temperatures. Ex. 1008, 4 (emphasis added). And, while Patent Owner asserts that “[d]eposition methods are not relevant to the parties’ dispute, which is over deposition temperature” (Sur-reply 17), the deposition method employed includes its deposition temperature. See Ex. 1008, 4 (Li describing “conventional” diffusion processes at temperatures of 800–1000° C). Thus, just because Li teaches one way of depositing its silicon thin film using a low-temperature deposition method does not mean that Li teaches away from high-temperature processes. Li’s teachings do not discredit or discourage high-temperature processes in a manner that may be said to teach away.” slip op. at 51

    Patent outcomesUS 8,222,516 mixed
    Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 8,222,516
  • PTAB · Jan 30, 2026 · IPR2021-01449 · APJ Jon M Jurgovan · IPR · Remand

    Claims 3–5 are unpatentable; claims 1 and 2 are not shown unpatentable. Claims 3 and 4 are obvious over the applied grounds under the remand construction of “movement vector.”

    RulingsRemand decision
    • RemandOther

      “was incorrect, vacated the Final Written Decision as to claims 3 and 4, and remanded the case to the Board to determine the ordinary and customary meaning of “movement vector” and decide the outcome for claims 3 and 4 in accordance with that meaning. Atos, LLC v. Allstate Insurance Company, 2025 WL 1482404, at *5 (Fed. Cir. May 23, 2025); Paper 35 (“Federal Circuit Remand,” “Remand,” or “Fed. Cir. Remand”). Pursuant to the Federal Circuit’s instructions, the Board authorized the” slip op. at 3

    • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITATerm construed board ownDecided for patent owner

      “considered individually and together, have well-understood, common meanings to ordinarily skilled artisans as of the invention date, reflected by the ’174 patent’s specification and other evidence of record noted above. Accordingly, we determine that the ordinary and customary meaning of “movement vector” is “a vector indicating movement of an object.” 3) “operation indicator” Petitioner” slip op. at 20

    • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)Not shown unpatentableNot shown unpatentable

      “Dr. Kanellakopoulos’s explanation that angular momentum is not inherent to an object, and its computation requires an arbitrary choice of a point of origin that has no physical meaning in the context of vehicle motion, also supports Patent Owner’s position. Id. ¶ 71 (citing Ex. 2004, 262). Accordingly, Patent Owner’s argument, that angular momentum cannot be used to detect a vehicle turning, is persuasive. Id. We also find persuasive, as Dr. Kanellakopoulos explains, that Petitioner’s argument regarding the figure on Kleppner 234 is based on misinterpretation of the vectors in that figure. Id. ¶ 67 (explaining that Kleppner 233–234 does not depict a gravity vector).” slip op. at 35

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation not foundNot shown unpatentable

      “Kleppner does not disclose a rotation vector, a person of ordinary skill would have used the knowledge of a rotation vector (because it is a term of art) alongside Kleppner’s teaching, to arrive at claim 1. See Pet. Reply 11. This argument does not satisfy Petitioner’s burden to provide articulated reasoning with some rational underpinning to support the conclusion of obviousness. See KSR, 550 U.S. at 419 (citing In re Kahn, 441 F.3d 977, 988 (Fed. Cir. 2006)). Petitioner does not explain which teaching of Kleppner a person of ordinary skill would have selected and combined with their knowledge of a rotation vector to yield the method of claim 1, or explain why a person of ordinary skill would have recognized based on Kleppner that estimating the angle between a rotation vector and gravity vector could be used to detect a vehicle turning. Nor does Petitioner respond to Patent Owner’s assertion that Kleppner provides no rationale for estimating an angle of alignment between a rotation vector and gravity vector as a way of detecting a vehicle turning. See Ex. 2001 ¶ 65.” slip op. at 35

    Patent outcomesUS 9,846,174 mixed
    Claim construction§ 102 anticipation§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 9,846,174
  • PTAB · Jan 12, 2026 · IPR2024-01039 · APJ Kristina M Kalan · IPR · Final written decision

    Claims 9–11 are unpatentable as obvious; claim 12 was not shown unpatentable because Froitzheim does not disclose silver contacts formed over silicon dioxide.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “In the Institution Decision, we adopted the assessment offered by Petitioner. Inst. Dec. 7–8. Because Petitioner’s definition of the level of skill in the art is consistent with the ’516 patent and the asserted prior art, we maintain it for purposes of this Final Written Decision. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001).” slip op. at 8

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

      “C. Claim Construction We construe each claim “in accordance with the ordinary and customary meaning of such claim as understood by one of ordinary skill in the art and the prosecution history pertaining to the patent.” 37 C.F.R. § 42.100(b). Under this standard, claim terms are generally given their plain and ordinary meaning as would have been understood by a person of ordinary skill in the art at the time of the invention and in the context of the entire patent disclosure. Phillips v. AWH Corp., 415 F.3d 1303, 1313 (Fed. Cir. 2005) (en banc). Only those terms in controversy need to be construed, and only to the extent necessary to resolve the controversy. Realtime Data, LLC v. Iancu, 912 F.3d 1368, 1375 (Fed. Cir. 2019). Based on our review of the complete trial record and the arguments raised by the parties, we determine that it is not necessary to expressly construe any claim terms to resolve the parties’ dispute. Realtime Data, 912 F.3d at 1375.” slip op. at 8

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “We are convinced Petitioner has shown that a person of ordinary skill in the art would have had a reason to combine the subject matter of Froitzheim and Gan for the reasons expressed by Petitioner (Pet. 42–48) and discussed above (see supra). Patent Owner’s arguments in response are not persuasive. Though Gan’s teachings are directed to silicon concentrator solar cells, the ordinarily skilled artisan would have understood Gan also refers to silicon solar cells in general. Compare Ex. 1007, 249 (stating “[t]he data in Fig. 6 are quite useful for silicon solar cells” and “cell efficiency is obtained for a backside contact solar cell”), with id. (explaining that “polysilicon emitters with these qualities can be quite useful for silicon concentrator solar cells”). Dr. Banerjee testifies that “the Skilled Artisan would interpret Gan as recommending the feature for solar cells in general” and “that its polysilicon emitter with interfacial oxide feature is beneficial for solar cell efficiency in general.” Ex. 1003 ¶ 146; Ex. 2023, 93:10–15. Furthermore, Dr. Ruby testified that when designing solar cells, he reviews published works in the field and would not necessarily limit his review to the type of solar cell being developed. Ex. 1066, 48:4–51:16. Q So you would agree that if you're developing a 1-Sun solar cell, it might be worthwhile to look at publications regarding concentrator solar cells? * * * THE WITNESS: Well, it would be advisable or suggest -- you know, it would certainly be worth -- worth looking at, although not all of the methods for creating solar cells -- concentrator cells are required for producing 1-Sun cells. So some things would be of use and many things would not. Ex. 1066, 51:7–16. That Dr. Banerjee and Dr. Ruby each testify that a person of ordinary skill in the art would have had reason to consult the teachings of both concentrator and non-concentrator solar cells—in fact describing such consideration as “advisable,” “suggest[ed],” and “worth looking at”—when designing a solar cell is dispositive of this issue. We acknowledge Dr. Ruby’s testimony that consideration of broader teachings may hinge on a specific application for the solar cells. Ex. 1066, 51:7–16. But the combination proposed here by Petitioner, which substitutes one known emitter for another, that is, a polysilicon emitter for a diffused emitter, to improve efficiency of solar cell performance, has been shown to have general applicability regardless of solar cell type. Ex. 1003 ¶¶ 142–148 (citing Ex. 1006, Abstr., ¶¶ 1, 9; Ex. 1007, 245, 248, 249; Ex. 1014; Ex. 1039); Ex. 1067 ¶¶ 21–28; Ex. 2023, 32:2–11. Accordingly, we are persuaded that Petitioner has shown that the” slip op. at 25

    • Obviousness (§103) › Motivation to combine / reasonable expectation of success › Teaching awayTeaching away not foundDecided for petitioner

      “The standard for demonstrating teaching away is, as Petitioner notes, high. “A reference may be said to teach away when a person of ordinary skill, upon reading the reference, would be discouraged from following the path set out in the reference, or would be led in a direction divergent from the path that was taken by the [inventor].” In re Gurley, 27 F.3d 551, 553 (Fed. Cir. 1994). Under that standard, Patent Owner’s “teaching away” argument is unavailing. The permitted temperatures in Froitzheim include a range of 900°C-1200°C, which expresses a permitted range, rather than a discouragement or divergence from that range, and the Froitzheim range clearly encompasses the temperatures used by Gan. A reference will also “teach away” if it suggests that the developments flowing from its disclosures are “unlikely to produce the objective of the applicant’s invention,” which is not the case here. See, e.g., Syntex (U.S.A.) LLC v. Apotex, Inc., 407 F.3d 1371, 1380 (Fed. Cir. 2005). The record demonstrates that Gan’s teachings are consistent with Froitzheim’s and, in the proposed combination, likely to produce the desired objective. Pet. Reply 13. In sum, the evidence of record here does not support a conclusion that Froitzheim criticizes or discredits the use of the lower temperatures in its expressly stated range, or that an ordinarily skilled artisan would have been discouraged from considering the full range of Froitzheim’s identified temperatures. Nor does it support a conclusion that Gan’s temperature, which is within Froitzheim’s range of temperatures, amounts to a criticizing, discrediting, or discouraging that would constitute a teaching away.” slip op. at 28

    Patent outcomesUS 8,222,516 mixed
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 8,222,516
  • Apple Inc. v. Immervision, Inc.All claims unpatentable
    PTAB · Jul 29, 2024 · IPR2023-00472 · APJ Kristina M Kalan · IPR · Final written decision

    Claims 1–7 are unpatentable: claims 1 and 3–7 are anticipated by Thibault, and claims 1–7 are obvious over Thibault.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “B. Level of Ordinary Skill in the Art In our Institution Decision, we adopted Petitioner’s undisputed contention that a POSITA (person of ordinary skill in the art) “would have had at least a Bachelor’s degree in an academic area emphasizing physics, optical engineering, electrical engineering and/or a similar discipline, and at least five years of experience in developing and designing optical imaging systems and have familiarity with image processing algorithms and optical design software” and that “[s]uperior education could compensate for a deficiency in work experience, and vice-versa.” Pet. 8 (citing Ex. 1003 ¶ 15). Patent Owner states: “Solely for purposes of this Response, Patent Owner does not object to Petitioner’s definition of a POSA [person of ordinary skill in the art].” PO Resp. 14 (citing Ex. 2001 ¶ 45). Accordingly, we adopt Petitioner’s proposal regarding the level of ordinary skill in the art with the exception of the open-ended phrase “at least,” which expands the range of experience indefinitely without an upper bound. The level of ordinary skill in the art is also reflected by the prior art of record. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (explaining that “specific findings on the level of skill in the art . . . [are not required] ‘where the prior art itself reflects an appropriate level and a need for testimony is not shown’” (quoting Litton Indus. Prods., Inc. v. Solid State Sys. Corp., 755 F.2d 158, 163 (Fed. Cir. 1985))).” slip op. at 12

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

      “To the extent necessary to determine whether the disputed language of limitation 1[e] encompasses both Figure 6 and Figure 7, we agree with Petitioner that the language of limitation 1[e] encompasses both Figure 6 and Figure 7. We determine we need not expressly construe any other claim terms. See Vivid Techs., 200 F.3d at 803.” slip op. at 27

    • Strike new argumentNew argument consideredDecided for petitioner

      “presented a more comprehensive claim construction position in its Petition, we are not persuaded that Petitioner’s “claim construction” positions in this proceeding are improperly responsive or belated. Claim construction can be an evolving issue. We have reviewed Petitioner’s presentation of its arguments at the outset, in the Petition, and we have addressed the Petition’s arguments regarding whether limitation 1[e] is an intended use, above. Regarding the remaining arguments, we note that our rules provide that a “reply may only respond to arguments raised in the corresponding . . . patent owner response.” 37 C.F.R. § 42.23(b). The Board “will permit the petitioner, in its reply brief, to address issues discussed in the institution decision,” but a petitioner “may not submit new evidence or argument in reply that it could have presented earlier, e.g. to make out a prima facie case of unpatentability. A party also may submit rebuttal evidence in support of its reply.” Patent Trial and Appeal Board Consolidated Trial Practice Guide 73 (Nov. 2019), available at https://www.uspto.gov/ TrialPracticeGuideConsolidated (citing Belden Inc. v. Berk-Tek LLC, 805 F.3d 1064, 1077–78 (Fed. Cir. 2015)). We have reviewed the parties’ post-institution arguments regarding limitation 1[e], and we are not persuaded that the subsequent development of both parties’ positions on the interpretation of this term throughout the course of this proceeding is contrary to our rules. “There is no rule, for example, requiring a petition to describe all possible or reasonable claim constructions and to present invalidity theories under those constructions.” Axonics, Inc. v. Medtronic, Inc., 75 F.4th 1374, 1380–81 (Fed. Cir. 2023). The Axonics court further opined that “we have continued to recognize that a petitioner is entitled under the APA to respond to new claim construction arguments made by a patent owner.” Id. at 1382. A recent Federal Circuit case addressing Axonics and a petitioner’s opportunity to respond to a patent owner’s newly presented claim construction argument, which was decided after oral hearing in this case, supports the Axonics approach. Apple v. Omni MedSci, No. 2023-1034, slip op. at 11–12 (Fed. Cir. June 21, 2024). This case summarizes some relevant pre-existing case law in reaching its conclusion that under “both Axonics and earlier precedents, the Board abused its discretion here in refusing to consider [petitioner] Apple’s reply argument.” Id. (citing SAS Inst., Inc. v. ComplementSoft, LLC, 825 F.3d 1341, 1351 (Fed. Cir. 2016), rev’d on other grounds sub nom. SAS Inst., Inc. v. Iancu, 138 S. Ct. 1348 (2018); Hamilton Beach Brands, Inc. v. f’real Foods LLC, 908 F.3d 1328, 1338–39 (Fed. Cir. 2018)).” slip op. at 21

    • Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableNot shown unpatentableMixed

      “Thibault but, rather, only that “Thibault renders obvious claim 2.” Pet. 34 (citing Ex. 1003 ¶¶ 127–128). Petitioner argues that Thibault teaches “special optimization” of MTF to “control the image quality in production so that it remains in the specification.” Id. (citing Ex. 1004, 3). Petitioner further argues that “a POSITA would have understood that Thibault’s lens designs were intended to achieve ‘constant image quality across a whole field of view,’” or “that it would have been obvious to achieve such an outcome using known ‘guidelines’ within the industry.” Id. at 35 (citing Ex. 1003 ¶ 128). Petitioner provided no development of an anticipation position with respect to claim 2. Accordingly, although Petitioner’s uncontested position on claim 2 supports a finding of obviousness based on Thibault, because it is reasonable, not persuasively controverted, and supported by testimony, it does not support a finding of anticipation.” slip op. at 50

    Patent outcomesUS 10,795,120 unpatentable
    Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 10,795,120
  • 3M Company v. Bay Materials, LLCAll claims unpatentable
    PTAB · Jan 16, 2024 · IPR2022-01215 · APJ Grace Karaffa Obermann · IPR · Final written decision

    Claims 1–4, 7, 11–14, 16, 18, and 31 are unpatentable as anticipated by Yu; claims 1–4, 7, and 31 are also anticipated by Stewart.

    RulingsFinal written decision
    • Skill levelSkill level patent owner adoptedDecided for patent owner

      “The parties disagree about the appropriate definition of the ordinarily skilled artisan and, in particular, whether that artisan would have had experience or familiarity with the “processing of thermoformable polymer sheets” to form “orthodontic and dental appliances.” Resp. 16 (citing Ex. 2008 ¶ 14); see Pet. 14–15 n.1 (disagreeing with that proposition). Patent Owner’s definition is supported by the plain wording of challenged claim 18, which recites a dental appliance. Resp. 16 (citing Pet. 14 n.1); Ex. 1001, 26:50–52. The ’263 patent, moreover, includes an “extensive discussion of dental appliances and the unexpectedly good properties of dental aligners” thermoformed from polymeric sheets. Resp. 16; Ex. 1001, 1:20–47, 4:57–5:10, 5:26–6:6, 6:39–43, 10:25–51, 11:30–48, 12:22–24, 13:25–29, 21:1–6, 24:2–3, 24:30–57; see id. at 15:23– 38 (describing the thermoforming process for making dental appliances).” slip op. at 7

    • Disclosure Requirements (§112) › Written description (Ariad)Not entitled to earlier dateDecided for petitioner

      “about 60A to about 85D” when employed as the two soft outer layers in an unclaimed and disfavored soft-hard-soft layer composition (id. ¶ 109) does not convey, with reasonable clarity, that the inventors had possession of the inventive hard-soft-hard layer composition in which the single soft, inner layer also is within that same hardness range (id. ¶ 110). Critically, when discussing the soft, inner layer of the inventive hard-soft-hard layer composition, the ’176 application nowhere indicates that the soft inner layer must have “a hardness of from about 60A to about 85D.” Id. ¶ 109 (discussing a prior art embodiment); see id. ¶¶ 7, 33–35, 109–110. Even if the hardness limitation of the challenged claims would have been obvious from the relied-upon disclosure in the ’176 application (id. ¶ 109), as a matter of law, that circumstance is insufficient to establish a filing date through that application. “Entitlement to a filing date does not extend to subject matter which is not disclosed, but would be obvious over what is expressly disclosed.” PowerOasis, Inc. v. T-Mobile USA, Inc., 522 F.3d 1299, 1306 (Fed. Cir. 2008) (quotations omitted); see Pet. 21 (quoting that controlling precedent). Each of Patent Owner’s countervailing arguments is unpersuasive because, at best, Patent Owner attempts to show that it would have been obvious to import––from the description of the soft outer layers in an unclaimed and disfavored soft-hard-soft embodiment––a limitation not expressly imposed on the soft inner layer in the inventive hard-soft-hard embodiment. Ex. 2001 ¶ 109; Resp. 35–42. A showing of obviousness is not enough under the controlling precedent cited by Petitioner. PowerOasis, 522 F.3d at 1306.” slip op. at 9

    • Novelty / Anticipation (§102) › Priority / effective filing date / continuation supportPriority date, deniedDecided for petitioner

      “about 60A to about 85D” when employed as the two soft outer layers in an unclaimed and disfavored soft-hard-soft layer composition (id. ¶ 109) does not convey, with reasonable clarity, that the inventors had possession of the inventive hard-soft-hard layer composition in which the single soft, inner layer also is within that same hardness range (id. ¶ 110). Critically, when discussing the soft, inner layer of the inventive hard-soft-hard layer composition, the ’176 application nowhere indicates that the soft inner layer must have “a hardness of from about 60A to about 85D.” Id. ¶ 109 (discussing a prior art embodiment); see id. ¶¶ 7, 33–35, 109–110. Even if the hardness limitation of the challenged claims would have been obvious from the relied-upon disclosure in the ’176 application (id. ¶ 109), as a matter of law, that circumstance is insufficient to establish a filing date through that application. “Entitlement to a filing date does not extend to subject matter which is not disclosed, but would be obvious over what is expressly disclosed.” PowerOasis, Inc. v. T-Mobile USA, Inc., 522 F.3d 1299, 1306 (Fed. Cir. 2008) (quotations omitted); see Pet. 21 (quoting that controlling precedent). Each of Patent Owner’s countervailing arguments is unpersuasive because, at best, Patent Owner attempts to show that it would have been obvious to import––from the description of the soft outer layers in an unclaimed and disfavored soft-hard-soft embodiment––a limitation not expressly imposed on the soft inner layer in the inventive hard-soft-hard embodiment. Ex. 2001 ¶ 109; Resp. 35–42. A showing of obviousness is not enough under the controlling precedent cited by Petitioner. PowerOasis, 522 F.3d at 1306.” slip op. at 9

    • Novelty / Anticipation (§102) › Prior-art status of a reference › Patents / published applications (effective date, provisional support)Reference is prior artDecided for petitioner

      “For the above reasons, we determine that the challenged claims are not entitled to the benefit of the filing date of the ’176 application because the application does not indicate that the inventors had possession of the hardness limitation of the claimed invention. See Reply 7–13 (Petitioner’s arguments on this issue). On the full trial record, we find that the earliest effective filing date to which the challenged claims are entitled is December 18, 2019, the filing date of the ’256 application from which the ’263 patent issued. Ex. 1001, codes (21), (22). Every challenged claim recites, or inherits via dependence, the hardness limitation “of from about 60A to about 85D” for the inner elastomeric layers of the inventive hard-soft-hard multilayer composition. Ex. 1001, 25:2–9 (independent claim 1), 26:1–8 (independent claim 11), 27:49–51 (independent claim 31). In view of our determination that the earliest effective filing date to which the challenged claims are entitled is December 18, 2019, we agree with Petitioner that Yu (Example 1) and Stewart (Example 2) qualify as prior art against the challenged claims. Pet. 43–49 (Petitioner’s persuasive arguments and evidence on point).” slip op. at 13

    Patent outcomesUS 10,870,263 unpatentable
    Claim construction§ 102 anticipation§ 112 disclosurecites Graham
    Patents in suitUS 10,870,263
  • PTAB · Sep 11, 2023 · IPR2022-00573 · APJ Michelle N Wormmeester · IPR · Final written decision

    Claims 1–22 and 28 are unpatentable: Flowerdew anticipates claims 1, 2, 8–11, and 28; the remaining claims are unpatentable as obvious over the stated combinations.

    RulingsFinal written decision
    • Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable

      “102 1, 2, 8–11, 28 1, 2, 8–11, 28” slip op. at 112

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successUnpatentableMotivation foundUnpatentable

      “recited switch element of claim 12. We also are persuaded that Petitioner’s proffered reasoning for modifying Flowerdew’s charging system to include Jang’s inverter, namely, to provide a way to implement Flowerdew’s digital driver, is sufficient to support the legal conclusion of obviousness. See In re Kahn, 441 F.3d at 988.” slip op. at 38

    • Novelty / Anticipation (§102) › Prior-art status of a reference › Patents / published applications (effective date, provisional support)Reference is prior artDecided for petitioner

      “1. Qualification of Baarman as Prior Art The parties dispute whether Baarman, a pre-grant publication,” slip op. at 57

    Patent outcomesUS 7,825,537 unpatentable
    § 102 anticipation§ 103 obviousnesscites Phillips
    Patents in suitUS 7,825,537
  • PTAB · Sep 5, 2023 · IPR2022-00529 · APJ Kristina M Kalan · IPR · Final written decision

    Original claims 1–8 were cancelled; substitute claims 9 and 10 were held unpatentable as obvious over Wu, with background knowledge evidenced by Dent, Hui, and Ye.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “B. Level of Ordinary Skill in the Art In our Institution Decision, we adopted Petitioner’s undisputed contention: A Person of Ordinary Skill in The Art (“POSITA”) in January of 2014 would have had a working knowledge of the wireless charging art that is pertinent to the ’392 patent. That person would have a bachelor’s degree in electrical engineering, or equivalent training, and approximately two years of experience 6 Neither Patent Owner nor Petitioner appears to present any evidence directed to secondary considerations. See Pet.; PO Resp.; Mot.; Opp.; Opp. Reply; Opp. Sur-Reply. working in the field of electric circuits and wireless charging. Lack of work experience can be remedied by additional education, and vice versa. Pet. 15–16 (citing Ex. 1003 ¶¶ 18–20); Dec. 9. Patent Owner does not dispute Petitioner’s definition of level of ordinary skill. See generally PO Resp. We adopt Petitioner’s proposal regarding the level of one of ordinary skill in the art. We further note that the prior art itself demonstrates the level of skill in the art at the time of the invention. Cf. Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (explaining that “specific findings on the level of skill in the art . . . [are not required] ‘where the prior art itself reflects an appropriate level and a need for testimony is not shown’” (quoting Litton Indus. Prods., Inc. v. Solid State Sys. Corp., 755 F.2d 158, 163 (Fed. Cir. 1985))).” slip op. at 13

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

      “Petitioner states that “for the purposes of this proceeding, the terms of the Challenged Claims should be given their plain and ordinary meaning, and no terms require specific construction.” Pet. 16–17. Patent Owner does not dispute Petitioner’s statement regarding claim construction. See generally PO Resp; Mot.; Opp. Reply. We determine we need not expressly construe any claim terms. See Vivid Techs., 200 F.3d at 803.” slip op. at 14

    • PTAB / AIA Trials › Motions to amend / substitute claimsMotion to amend granted in partGranted in part

      “2. Support in the Original Disclosure Patent Owner appears to have identified adequate written description support for proposed substitute claims 9 and 10. Mot. 2–13. Patent Owner explains in detail how Figs. 1, 6, 9, 10, 12, and 13 of the original disclosure of the ’392 patent provide written description support for the limitations in proposed substitute claims 9 and 10. See id. (citing Ex. 1002). We have reviewed Patent Owner’s assertions of support in the original disclosure for the proposed revised substitute claims and determine that sufficient support exists. Petitioner does not argue otherwise. See generally Opp. Therefore, we determine that Patent Owner has met this requirement. 3. Respond to a Ground of Unpatentability “A motion to amend may be denied where . . . [t]he amendment does not respond to a ground of unpatentability involved in the trial.” 37 C.F.R. § 42.121(a)(2)(i). Patent Owner responds to the grounds of unpatentability on which we instituted trial. Mot. 15–18. Upon review of Patent Owner’s arguments, we agree that proposed substitute independent claim 9 and proposed substitute dependent claim 10 recite new limitations, and new combinations of limitations, that directly respond to the grounds of unpatentability involved in the trial. See Mot. 15–18, 19–21 (Claim Listing). Petitioner does not argue otherwise. See generally Opp. Therefore, we determine that Patent Owner has met this requirement. 4. Scope of the Claims Proposed substitute independent claim 9 includes narrowing limitations as compared to corresponding original independent claim 1. See Mot. 13–14, 19–21 (Claim Listing). Petitioner does not argue otherwise. See generally Opp. Proposed substitute dependent claim 10 includes narrowing limitations as compared to corresponding original dependent claim 7. Claim 10 also depends from narrowed substitute claim 9. Thus, claim 10 does not enlarge the scope of the claims of the challenged patent. Mot. 13–14, 21 (Claim Listing). Petitioner does not argue otherwise. See generally Opp. Therefore, we determine that Patent Owner has met this requirement.” slip op. at 17

    • BurdenUnpatentable

      “We are persuaded by Petitioner’s arguments that “Wu teaches controlling the duty ratio of the positive and negative portions of the output signal” and that “Wu explains that its switching module is capable of varying the duty cycle (“duty ratio”) of the output signal VAB.” Opp. 17–18. Relying on Wu’s SVC duty cycle control technique, Petitioner argues that “the conduction angle is varied from 0–180°” to vary the duty cycle of the output voltage. Id. at 18 (citing Ex.1015 ¶ 187). We agree that because Wu describes “varying the conduction angle ‘σ’ (Ex. 1015, [0187]), it teaches increasing or decreasing the duty cycle of the positive portion of output signal VAB by shifting the falling time of the fourth AC power control signal relative to the rising time of the first AC power control signal.” Id. at 19 (citing Ex.1017 ¶¶ 48–50). Similarly, we agree that because Wu describes “varying the conduction angle ‘σ’ (Ex. 1015, [0187]), it teaches increasing or decreasing the duty cycle of the negative portion of output signal VAB by shifting the falling time of the third AC power control signal relative to the rising time of the second AC power control signal.” Id. at 21 (citing Ex. 1017 ¶¶ 51–53); see Ex. 1015 ¶¶ 95 (“The duty cycle control technique may have a fixed or a variable duty cycle.”), 187 (“the conduction angle is varied from 0–180°”). In other words, (i) Wu teaches that the conduction angle σ is varied (Ex. 1015 ¶ 187); (ii) conduction angle σ associated with Wu’s positive polarity output voltage correlates with the period between a rising time of the first AC power control signal and a falling time of the fourth AC power control signal (Ex. 1015, Fig. 6); and (iii) conduction angle σ associated with Wu’s negative polarity output voltage correlates with the period between a rising time of the second AC power control signal and a falling time of the third AC power control signal. Ex. 1015, Fig. 6. We disagree with Patent Owner’s argument that Wu fails to teach the limitations of proposed substitute claim limitation 9.11, and are unable to discern within Patent Owner’s arguments a reason that Petitioner has not met its burden. Patent Owner’s criticism that Wu provides insufficient detail about the use of its SVC technique to adjust or vary a conduction angle (Opp. Reply 4–5) is sufficiently refuted by Petitioner’s arguments, which detail how Wu teaches shifting control signal falling times relative to the rising times of other control signals, as in limitation 9.11. Opp. 17–21; Opp. Sur-Reply 1–3 (“It is unclear, however, what Patent Owner believes is missing from Wu.”). Accordingly, Petitioner has shown by a preponderance of the evidence that substitute claim 9 is rendered obvious by Wu.” slip op. at 25

    Patent outcomesUS 10,193,392 unpatentable
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 10,193,392
  • PTAB · Aug 31, 2023 · IPR2022-00532 · APJ Brian J Mcnamara · IPR · Final written decision

    Claims 1–5 and 7 are unpatentable as obvious over Zhu under § 103.

    RulingsFinal written decision
    • BurdenFwd all claims unpatentableUnpatentable

      “have been obvious over Zhu. “In an [inter partes review], the petitioner has the burden from the onset to show with particularity why the patent it challenges is unpatentable.” Harmonic Inc. v. Avid Tech., Inc., 815 F.3d 1356, 1363 (Fed. Cir. 2016) (citing 35 U.S.C. § 312(a)(3) (requiring inter partes review petitions to identify “with particularity . . . the evidence that supports the grounds for the challenge to each claim”)). This burden of persuasion never shifts to Patent Owner. See Dynamic Drinkware, LLC v. Nat’l Graphics, Inc., 800 F.3d 1375, 1378 (Fed. Cir. 2015) (discussing the burden of proof in inter partes review).” slip op. at 6

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “references themselves. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001); In re GPAC Inc., 57 F.3d 1573, 1579 (Fed. Cir. 1995); In re Oelrich, 579 F.2d 86, 91 (CCPA 1978). In the Decision to Institute we applied Petitioner’s proposed description of a person of ordinary skill as one with a bachelor’s degree in electrical engineering, or equivalent training, and approximately two years of experience working in the field of wireless power transmission, where lack of work experience can be remedied by additional education, and vice versa. Dec. to Inst. 6. As this description of a person of ordinary skill is unopposed and is consistent with the subject matter of the ’652 patent and the references, we apply it for purposes of this Decision.” slip op. at 5

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

      “the Decision to Institute, we did not perceive a need to construe any term and we applied the plain and ordinary meaning to all terms. Dec. to Inst. 7. Petitioner contends that arguments in the Patent Owner Response unduly limit the claims by interpreting them to preclude any and all human interaction. Pet. Reply 2 (citing PO Resp. 14). Petitioner argues “[t]he claim language and the intrinsic evidence do not support Patent Owner’s interpretation that precludes human interaction” and “requests that the Board reject Patent Owner’s invitation to unduly limit the claims.” Id. We address this issue further in our analysis of the prior art challenges. We determine, however, that no claim term requires express construction.” slip op. at 5

    • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITAPlain and ordinary meaningDecided for petitioner

      “The claim limitation does not define “when.” The above examples from the Specification do not preclude the circumstance where the external power is stopped or cut off and an intervening event after the supply of power ceases triggers the supply of battery power to the load. Even where the auxiliary unit does not supply battery power until a user triggers it, e.g., by pushing button 87 in Zhu, the auxiliary power unit provides battery power to the wireless transmission unit when the power supply from the power input unit is stopped or cut off. Petitioner argues that, unlike the limitation in LBT requiring activation “in response to” a signal, which the court interpreted to mean “automatically,” there is no such responsiveness recited in the claims before us, i.e., the claims merely recite providing battery power when the input power is stopped. Pet. Post Hr’g Br. 2. To the extent applicant intended to limit the claims to a specific implementation that “automatically” switches to a mode in which the battery supplies power to the load immediately upon or in response to the cessation of external power, it was incumbent on the author of the patent application to recite such a limitation explicitly. Not only do the ’652 patent claims not recite such a limitation, no such limitation appears to be clearly described in the Specification. The Specification’s description of “when” power is supplied by the battery does not provide any further clarity relative to the claimed apparatus; for example, the Specification’s block diagrams are not circuit schematics that show how the apparatus “automatically” detects or responds to the absence of power, the Specification does not discuss how the charge/discharge circuit “automatically” detects and responds to the absence of the external power supply, and the Specification does not include a timing diagram that shows when the charge/discharge unit is activated upon the absence of an external power supply. For example, the ’652 patent states only that “when the first power input unit 110 and the second power input unit 120 are disconnected from the external power supply and thus the electrical power supplied to the input terminal is cut off, the charge discharge/discharge module 310 generates electrical power by discharging the battery 320.” Ex. 1001, 6:26–33. Thus, there is insufficient support in the Specification for reading into the challenged apparatus claims Patent Owner’s proposed interpretation that the function occurs “automatically.”” slip op. at 17

    Patent outcomesUS 9,490,652 unpatentable
    Claim construction§ 103 obviousnesscites Graham
    Patents in suitUS 9,490,652
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