- Shenzhen Tuozhu Technology Co., Ltd. v. Stratasys, Inc.All claims unpatentablePTAB · Sep 28, 2026 · IPR2025-00611 · APJ Christopher L Ogden · IPR · Final written decision
Claims 1–10, 12, 13, 19, and 20 are unpatentable under § 103 over the stated Douglas–Mark and Hamilton-based grounds.
RulingsFinal written decision- Skill levelSkill level petitioner adoptedDecided for petitioner
“The parties agree that experience could substitute for a degree, and vice versa. Pet. 3; PO Resp. 10. The parties’ proposed levels of ordinary skill are substantially similar. For this decision, as in the Institution Decision, we adopt Petitioner’s proposed level, which is supported by credible testimonial evidence and is consistent with the problems addressed in the ’774 patent. See Ex. 1001, 1:16–52. Our decision would be the same, however, if we were to adopt Patent Owner’s proposal.” slip op. at 7
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Other
“Neither Petitioner nor Patent Owner argues that we need to construe any claim terms explicitly. See Pet. 2–3; PO Resp. 10. However, the parties contest two material claim-construction issues which we address below. To the extent that the parties’ positions depend on interpreting other claim language in a particular way, we discuss the relevant claim language below in the context of the parties’ arguments regarding the prior art.” slip op. at 8
- Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITATerm construed board ownDecided for petitioner
“We disagree with Patent Owner that a person of ordinary skill in the art would have understood that limitation 1.2 must be performed before limitations 1.3 or 1.4. See Ex. 1001, 35:21–24. See Interactive Gift Exp., Inc. v. Compuserve Inc., 256 F.3d 1323, 1342 (Fed. Cir. 2001) (“Unless the steps of a method actually recite an order, the steps are not ordinarily construed to require one.” (citing Loral Fairchild Corp. v. Sony Corp., 181 F.3d 1313, 1322 (Fed. Cir. 1999)). The evidence suggests that a “target printer” is any printer that is ultimately selected for fabricating the object, and such a printer could send its configuration information either before or after that determination is made in limitation 1.2. This interpretation does not render the word “target” meaningless. At some point, a printer must be determined to be the target printer, which is the one intended to ultimately fabricate the three-dimensional object. But the target printer still exists, and is capable of being queried, before that determination is made. We find the examples in the ’774 patent pertinent to this question. The ’774 patent states that “the target printer may include more than one printer.” Ex. 1001, 18:66–67. In discussing the step of “query target printer for properties 306” (Fig. 3A), the ’774 patent states that “[i]n one aspect, numerous queries are sent to numerous printers, e.g., for use in selecting one or more of the printers as the target printer.” Id. at 19:8–10. Alternatively, “the query is sent to a printer that is not necessarily the target printer as described herein, e.g., when the query or information received from a response to the query is used for the selection of the target printer.” Id. at 19:11–14. Importantly, the second embodiment states that the queried printer “is not necessarily the target printer,” suggesting that the queried printer could be the target printer even before it is determined to be such. Id. at 19:11–12 (emphasis added). Based on the evidence of record, a person of ordinary skill in the art would have understood that the “target printer” can be determined after the query recited in limitation 1.3 or the reception of configuration information recited in limitation 1.4. Thus, the evidence does not impose an ordering between limitations 1.2 and 1.3 or between limitations 1.2 and 1.4. The evidence also does not support Patent Owner’s argument that the two reverse-order examples in the ’774 patent are unclaimed embodiments.” slip op. at 10
- Obviousness (§103) › Motivation to combine / reasonable expectation of success › HindsightMotivation foundDecided for petitioner
“We disagree that Petitioner’s arguments are based on impermissible hindsight, because they are based on the disclosures in Douglas and Mark, and Petitioner has articulated a persuasive reason to combine those references without referring to the ’774 patent itself, as we discuss below. See In re McLaughlin, 443 F.2d 1392, 1395 (CCPA 1971) (an obvious rationale is not improper hindsight if it “takes into account only knowledge which was within the level of ordinary skill at the time the claimed invention was made and does not include knowledge gleaned only from applicant’s disclosure”).” slip op. at 29
Patent outcomesUS 11,886,774 unpatentableClaim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 11,886,774 - Shenzhen Tuozhu Technology Co., Ltd. v. Stratasys, Inc.Some claims unpatentablePTAB · Sep 28, 2026 · IPR2025-00531 · APJ Hyun J Jung · IPR · Final written decision
Claims 1–11 and 13–15 are unpatentable over the stated obviousness grounds; claim 12 was not shown unpatentable.
RulingsFinal written decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“Petitioner filed a Petition (Paper 2, “Pet.”) requesting institution of an inter partes review of claims 1–15 of the ’698 patent. Discretionary denial of institution was determined to be not appropriate in this proceeding, and the proceeding was referred to the Board. Paper 10. Pursuant to 35 U.S.C. § 314, we instituted an inter partes review of claims 1–15 of the ’698 patent on all presented challenges. Paper 11 (“Inst. Dec.”), 15.” slip op. at 2
- Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed
“Decision is issued pursuant to 35 U.S.C. § 318(a) and 37 C.F.R. § 42.73 (2025). For the reasons that follow, we determine that Shenzhen Tuozhu Technology Co., Ltd. (“Petitioner”) has shown by a preponderance of the evidence that claims 1–11 and 13–15, but not claim 12, of U.S. Patent No. 9,168,698 B2 (Ex. 1001, “the ’698 patent”) are unpatentable.” slip op. at 2
Patent outcomesUS 9,168,698 mixed§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 9,168,698 - Google LLC / Motorola Mobility LLC v. Multifold International Incorporated Pte. Ltd.No claims unpatentablePTAB · May 13, 2026 · IPR2025-00058 · APJ Arthur M Peslak · IPR · Final written decision
Claims 1, 2, 4, 6, 9, 10, 12–14, and 18–20 were not shown unpatentable because Petitioner failed to establish its challenges by a preponderance of the evidence.
RulingsFinal written decision- BurdenNot shown unpatentable
“IV. CONCLUSION Weighing the competing evidence and testimony, we determine that Petitioner fails to establish by a preponderance of the evidence that the Challenged Claims of the ’494 patent are unpatentable.” slip op. at 85
- ExcludeNot reached
“III. PETITIONER’S MOTION TO EXCLUDE Petitioner moves to exclude Exhibits 2034–2038, paragraphs 38 and” slip op. at 84
Patent outcomesUS 9,158,494 not shown unpatentableNonecites KSR · GrahamPatents in suitUS 9,158,494 - Motorola Mobility LLC / Google LLC v. Multifold International Incorporated Pte. Ltd.All claims unpatentablePTAB · Apr 28, 2026 · IPR2025-00040 · APJ Brian P Murphy · IPR · Final written decision
Claims 1–9 are unpatentable: claims 1–4 and 6–9 as anticipated or obvious over the asserted references, and claim 5 as obvious over Yook or Yook in view of Purcell.
RulingsFinal written decision- BurdenDecided for petitioner
“We disagree with Patent Owner’s argument because the Petition presents argument and evidence that substantively demonstrates, with clarity and particularity, how and why each reference discloses, teaches, suggests, or otherwise renders obvious the displaying element recited in limitation 1[B]. We agree with Petitioner that “Patent Owner neglects to address the actual substance of the Petition, which clearly addresses this limitation with respect to each reference.” Reply 1–2. The Petition addresses in detail how each asserted reference discloses displaying two applications on two separate displays in accordance with the displaying element, by presenting multiple annotated figures from Yook, Lee, Aguilar, and Purcell. Pet. 27–30, 47–50, 62–63, 77–78. The Petition also cites and quotes the accompanying descriptions for the annotated figures from each prior art reference as well as explanatory expert opinion testimony from Dr. Rodriguez. Id. (citing Rodriguez Decl. Ex. 1003 ¶¶ 70–74, 119–122, 149–150, 182–183; Yook Ex. 1004 ¶¶ 47, 51, 58, 96–101, Figs. 4b, 4d, 5; Lee Ex. 1005 ¶¶ 48–53, Figs. 4, 6, 9, 10; Aguilar Ex. 1006, 7:1–7, Figs. 5–5d; Purcell Ex. 1007 ¶ 16, Fig. 2). We provide detailed examples below of how the Petition maps Yook and Lee onto the displaying element of limitation 1[B] in compliance with the particularity requirement of 35 U.S.C. § 312(a)(3); 37 C.F.R. § 42.104(b)(4). Although we do not provide detailed examples directed to Aguilar and Purcell, we find the Petition maps Aguilar and Purcell onto the displaying element of limitation 1[B] in compliance with the particularity requirement of 35 U.S.C. § 312(a)(3) and 37 C.F.R. § 42.104(b)(4).” slip op. at 14
- Strike new argumentNew argument disregardedDecided for petitioner
“Instead, Patent Owner chose to raise an entirely new theory of patentability. Sur-Reply 3–13; Tr. 28:8–20. Patent Owner’s new theory is based on a claim construction that construes claim 1 of the ’756 patent as “recit[ing] a specific order of steps that must be performed in the order written.” Id. at 3–4. “Because of this order, the [displaying element] must occur after both (two) ‘selecting’ steps,” and Patent Owner contends none of the prior art references asserted in the Petition “meets the order required by claim 1.” Id. at 4. We will not consider Patent Owner’s new theory of patentability raised for the first time in its Sur-Reply. See Apple Inc. v. e-Watch, Inc., IPR2015-00412, Paper 50, 44 (PTAB May 6, 2016) (“‘Respond,’ in the context of 37 C.F.R. § 42.23(b), does not mean embark in a new direction with a new approach”); see also Optivus Tech., Inc. v. Ion Beam Appl’ns S.A., 469 F.3d 978, 989 (Fed. Cir. 2006) (argument raised for the first time in the reply brief, which could have been raised in the opening brief, is waived). Patent Owner should have raised its “specific order of steps” argument in the Response. By failing to do so, Patent Owner has waived the argument. Id.” slip op. at 22
- Expert testimonyPetitioner expert creditedPatent owner expert discountedDecided for petitioner
“Third, we are further persuaded by Dr. Surati’s testimony that the wave shape visual indicator depicted in Figures 10A–C of the ’756 patent indicates that a user can do something, but not necessarily what that something is (e.g., minimizing or maximizing). Id. at 17 (citing Ex. 1012, 200:1–6). It is telling that Dr. Surati testified that only through repeated use and exposure would a user recognize a relationship between a wave shape and the functions of maximizing or minimizing an application. Id. (citing Ex. 1012, 197:13–199:22). We are also persuaded by Dr. Rodriguez’s testimony regarding the teachings of Yook: Yook therefore teaches giving users the ability to transition a split-screen application back into full screen mode. Further, a POSITA would have understood that this ability would undoubtedly be implemented in the form of a visual indicator, which, from the 2000s to today, is the industry’s universal method of alerting a user to an accessible function. . . . Ex. 1003 ¶ 107 (emphasis added); For claim 5, Yook discloses many different types of “icons” that are used to receive user gesture inputs. See, e.g., Figs. 1, 4e, 5a, 5c, 5d, 6, 7a, 7b, 7c, 8, 9, 10, 11, 12, 13. Examples of these icons are displayed below: Id. ¶ 108; and A POSITA would have understood that Yook’s icons can have a wave shape because the shape taken by a visual indicator, or icon, is merely a matter of common and routine design choice. Indeed, the shape of an icon does not affect its function or how a gesture input is received. Id. ¶ 109 (emphasis added). In short, we are persuaded Petitioner has established by a preponderance of the evidence that a displayed visual indicator that “has a wave shape” is a design choice not affecting the function of the visual indicator, and a visual indicator that “has a wave shape” would have been an obvious design choice to a POSITA in view of Yook.” slip op. at 30
- Skill levelSkill level board ownDecided for petitioner
“In determining the level of ordinary skill in the art, various factors may be considered, including the “type of problems encountered in the art; prior art solutions to those problems; rapidity with which innovations are made; sophistication of the technology; and educational level of active workers in the field.” In re GPAC, Inc., 57 F.3d 1573, 1579 (Fed. Cir. 1995) (citing Custom Accessories, Inc. v. Jeffrey-Allan Indus., Inc., 807 F.2d 955, 962 (Fed. Cir. 1986)). “These factors are not exhaustive but are merely a guide to determining the level of ordinary skill in the art.” Daiichi Sankyo Co. v. Apotex, Inc., 501 F.3d 1254, 1256 (Fed. Cir. 2007). There is uncontested evidence in the record before us that reflects the knowledge and experience of a POSITA. We adopt the parties’ agreed level of ordinary skill in the art, which is consistent with the description in the ’756 patent and the prior art of record.” slip op. at 9
Patent outcomesUS 9,134,756 unpatentableClaim construction§ 103 obviousnesscites PhillipsPatents in suitUS 9,134,756 - Google LLC / Motorola Mobility LLC v. Multifold International Incorporated Pte. Ltd.All claims unpatentablePTAB · Apr 7, 2026 · IPR2025-00059 · APJ Hyun J Jung · IPR · Final written decision
Claims 1–3, 5–9, 15, 16, 19, and 20 are unpatentable as obvious over the asserted combinations of Yook, Bauer, and Lee.
RulingsFinal written decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“Petitioner filed a Petition (Paper 1, “Pet.”) requesting institution of an inter partes review of claims 1–3, 5–9, 15, 16, 19, and 20 of the ’135 patent. Multifold International Incorporated Pte. Ltd. (“Patent Owner”) filed a Preliminary Response. Paper 7 (“Prelim. Resp.”). Pursuant to 35 U.S.C. § 314, we instituted an inter partes review of claims 1–3, 5–9, 15, 16, 19, and 20 of the ’135 patent on all presented challenges. Paper 8 (“Inst. Dec.”), 2, 23.” slip op. at 2
- Skill levelDecided for petitioner
“B. Level of Ordinary Skill in the Art” slip op. at 8
- Obviousness (§103) › Motivation to combine / reasonable expectation of successUnpatentable
“D. Asserted Obviousness Based on Yook 1. Yook (Ex. 1005) Yook relates particularly “to a method and mobile terminal that can divide the screen into individual divided screen areas and simultaneously present user functions on the individual divided screen areas.” Ex. 1005 ¶ 3. Reproduced below are Figures 1 and 2 of Yook. Figure 1 “illustrates an external appearance of a mobile terminal,” and Figure 2 “is an illustration of an exemplary block diagram of the mobile terminal” shown in Figure 1. Ex. 1005 ¶¶ 11, 12. Mobile terminal 100 includes touch screen 140, control unit 160, and storage unit 150, as well as radio frequency unit 110, input unit 120, and audio processing unit 130. Id. ¶ 25. Touch screen 140 includes display unit 141 and touch panel 143 that can be arranged in front of display unit 141. Id. ¶ 30. Mobile unit 100 can activate a screen management program stored in storage unit 150 “in response to a user request,” and control unit 160 can cause display unit 141 to divide the screen into several divided screen areas and output functional view areas related to user functions to the individual divided screen areas. Ex. 1005 ¶¶ 26, 31, 37. Also, “[t]he screen area management program can be loaded on the control unit 160 in response to program may include:” slip op. at 10
Patent outcomesUS 9,141,135 unpatentable§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 9,141,135 - Samsung Electronics Co., Ltd. / Samsung Electronics America, Inc. et al. v. Harbor Island Dynamic, LLCAll claims unpatentablePTAB · Mar 16, 2026 · IPR2025-00954 · APJ Gregg I Anderson · IPR · Final written decision
Claims 3 and 8–19 are unpatentable: claim 3 is anticipated by Yu and obvious over Okashita, Okashita and Yu, and Burgener and Okashita; claims 8–19 are obvious over Burgener and Okashita, with or without Yu.
RulingsFinal written decision- PTAB / AIA Trials › Motions to amend / substitute claimsMotion to amend, grantedGranted
“ORDER For the foregoing reasons, ORDERED that Patent Owner’s Unopposed Motion to Amend (Paper 19) is granted, and claims 1, 2, and 4–7 are canceled;” slip op. at 37
- Skill levelSkill level petitioner adoptedDecided for petitioner
“Patent Owner proposes a slightly different level of ordinary skill, arguing that a bachelor’s degree, not a master’s degree, is all that is required because that is the “target audience for the ’886 Patent.” PO Resp. 11. Patent Owner does not otherwise dispute Petitioner’s proposed level of skill. Id. We used Petitioner’s proposed definition in the Institution Decision. Inst. Dec. 13. Neither party argues any issue as dependent on the level of ordinary skill or the differences between the proposals. Accordingly, the issues here are not dependent on the level of ordinary skill and the result is the same regardless of which definition is adopted. On this record, there is no reason to change from Petitioner’s definition used in the Institution Decision.” slip op. at 7
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“transistors” as a term that might require construction during trial. Inst. Dec. 17–18. At the hearing, the Petitioner argued that “cascaded transistors” means “[ar]ranged in a series of or in succession of stages so that each stage derives from or acts upon the product of the preceding [transistor]” and that there is no dispute that the limitation is taught by the prior art. Tr. 9:15–22. Patent Owner takes no position as to whether or not the prior art discloses “cascaded transistors.” Id. at 33:13–21 (“For the remainder of this proceeding, post institution, we have not taken any position regarding the scope of the cascaded transistors or the disclosure of the cascaded transistors in any of the prior art. We have not disputed that.”). Because Patent Owner takes no position on the issue, there is no dispute that “cascaded transistors” are shown in the prior art, construction is not necessary. Realtime, 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. original)). 2. “isolated island” Patent Owner disputes Petitioner’s contention that the prior art teaches or suggests claim 3’s recitation of “said plurality of cascaded transistors is situated within an isolated island.” Pet. 35–36; PO Resp. 16–17. Although the parties dispute whether an “isolated island” is shown in the prior art, neither party proposes a construction for the term “isolated island.” We agree that the arguments presented do not require construction of “isolated island.” The issues can be determined on the plain meaning of the term in view of the arguments made. See Section II.D below.” slip op. at 8
- Obviousness (§103) › Analogous artAnalogous artDecided for petitioner
“We find that Petitioner has sufficiently shown Yu is analogous art to Okashita. Both references are directed to the manufacture of semiconductors, which we find to be the field of endeavor. Ex. 1004, 1:47– 58; Ex. 1005, 1:16–26. More specifically, we agree with Petitioner and find that both references are in the same field of endeavor because they relate to SOI configuration. Pet. Reply 6 (citing Pet. 7–8, 39–40; Ex. 1002 ¶¶ 77–80, 90–91). Because we find the references relied upon are in the same field of endeavor, we need not reach whether they are reasonably pertinent to the problem faced by the inventor.” slip op. at 21
Patent outcomesUS 7,745,886 unpatentableClaim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 7,745,886 - Samsung Electronics Co., Ltd. / Samsung Electronics America, Inc. et al. v. Harbor Island Dynamic, LLCAll claims unpatentablePTAB · Mar 16, 2026 · IPR2024-01402 · APJ Gregg I Anderson · IPR · Final written decision
The Board held claims 3 and 8–19 unpatentable: claim 3 was anticipated by Yu and obvious on the stated grounds, and claims 3 and 8–19 were obvious over Burgener and Okashita, with or without Yu.
RulingsFinal written decision- PTAB / AIA Trials › Motions to amend / substitute claimsMotion to amend, grantedGranted
“Inc. (“Petitioner”) filed a Petition (Paper 1, “Pet.”) requesting an inter partes review of claims 1–19 of U.S. Patent No. 7,745,886 B2 (Ex. 1001, “the ’886 patent”). Petitioner filed a Declaration of Dr. Scott E. Thompson, Ph.D., in support of the Petition. Ex. 1002 (“Thompson Dec.”). Harbor Island Dynamic, LLC (“Patent Owner”) filed a Preliminary Response. Paper 7 (“Prelim. Resp.”). On April 4, 2025, we instituted this inter partes review as to the Challenged Claims and all grounds presented in the Petition. Paper 9 (“Inst. Dec.”). Following institution, Patent Owner filed a Response to the Petition (“PO Resp.”) limited to the patentability of the challenged claims. Paper 18. In support of the Patent Owner’s Response, Patent Owner filed a Declaration of John Berg. Ex. 2006. Patent Owner also filed an Unopposed Motion to Amend, cancelling claims 1, 2, and 4–7. Paper 19 (“Mot.”). We grant the motion. This proceeding is therefore limited to the patentability of claims 3 and 8–19 (“challenged claims”).” slip op. at 2
- Skill levelSkill level petitioner adoptedDecided for petitioner
“Patent Owner proposes a slightly different level of ordinary skill, arguing that a bachelor’s degree, not a master’s degree, is all that is required because that is the “target audience for the ’886 Patent.” PO Resp. 11. Patent Owner does not otherwise dispute Petitioner’s proposed level of skill. Id. We used Petitioner’s proposed definition in the Institution Decision. Inst. Dec. 13. Neither party argues any issue as dependent on the level of ordinary skill or the differences between the proposals. Accordingly, the issues here are not dependent on the level of ordinary skill and the result is the same regardless of which definition is adopted. On this record, there is no reason to change from Petitioner’s definition used in the Institution Decision.” slip op. at 7
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“transistors” as a term that might require construction during trial. Inst. Dec. 17–18. At the hearing, the Petitioner argued that “cascaded transistors” means “[ar]ranged in a series of or in succession of stages so that each stage derives from or acts upon the product of the preceding [transistor]” and that there is no dispute that the limitation is taught by the prior art. Tr. 9:15–22. Patent Owner takes no position as to whether or not the prior art discloses “cascaded transistors.” Id. at 33:13–21 (“For the remainder of this proceeding, post institution, we have not taken any position regarding the scope of the cascaded transistors or the disclosure of the cascaded transistors in any of the prior art. We have not disputed that.”). Because Patent Owner takes no position on the issue, there is no dispute that “cascaded transistors” are shown in the prior art, construction is not necessary. Realtime, 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. original)). 2. “isolated island” Patent Owner disputes Petitioner’s contention that the prior art teaches or suggests claim 3’s recitation of “said plurality of cascaded transistors is situated within an isolated island.” Pet. 35–36; PO Resp. 16–17. Although the parties dispute whether an “isolated island” is shown in the prior art, neither party proposes a construction for the term “isolated island.” We agree that the arguments presented do not require construction of “isolated island.” The issues can be determined on the plain meaning of the term in view of the arguments made. See Section II.D below.” slip op. at 8
- Obviousness (§103) › Motivation to combine / reasonable expectation of successAnalogous artMotivation foundUnpatentable
“We find that Petitioner has sufficiently shown Yu is analogous art to Okashita. Both references are directed to the manufacture of semiconductors, which we find to be the field of endeavor. Ex. 1004, 1:47– 58; Ex. 1005, 1:16–26. More specifically, we agree with Petitioner and find that both references are in the same field of endeavor because they relate to SOI configuration. Pet. Reply 6 (citing Pet. 7–8, 39–40; Ex. 1002 ¶¶ 77–80, 90–91). Because we find the references relied upon are in the same field of endeavor, we need not reach whether they are reasonably pertinent to the problem faced by the inventor. We also find that Petitioner has shown rational underpinnings for combining Okashita and Yu. Pet. 43–44. That the references have differences is not the test. Rather, the test is whether a person of ordinary skill in the art would have had motivation to combine them. We find there is sufficient motivation. Id. at 43 (citing Ex. 1005, 2:4–17; Ex. 1002 ¶¶ 177– 178). 3. Conclusion on Ground 3 Patent Owner does not argue any other reason that Ground 3 has not been sufficiently shown. Based on the full record, we determine that Okashita and Yu teach or suggest all the limitations of claim 3 and that one of ordinary skill in the art would have combined the references in the manner asserted with a reasonable expectation of success. We thus determine that Petitioner has established by a preponderance of the evidence that claim 3 would have been obvious over the combination of Okashita and Yu.” slip op. at 21
Patent outcomesUS 7,745,886 unpatentableClaim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 7,745,886 - Samsung Electronics Co., Ltd. / Samsung Electronics America, Inc. v. Harbor Island Dynamic, LLCAll claims unpatentablePTAB · Mar 11, 2026 · IPR2024-01404 · APJ Hyun J Jung · IPR · Final written decision
Claims 1–18 are unpatentable: claims 1–6, 9–14, 17, and 18 as anticipated by Cooney and obvious over Cooney; claims 7 and 15 over Cooney and Dean; claims 8 and 16 over Cooney and Farooq or …
RulingsFinal written decision- Skill levelSkill level petitioner adoptedDecided for petitioner
“Based on the full record, we maintain and affirm that a person of ordinary skill in the art “would have had at least a master’s degree in electrical engineering or a similar field and at least two years of experience working with semiconductor systems” and that “[a]dditional relevant work experience can compensate for less education, and vice versa.” Pet. 9–10 (citing Ex. 1002 ¶¶ 72–74). We agree with the parties that any differences in the parties’ proposed level of ordinary skill would not affect our analysis. Pet. Reply 1; Tr. 25:4–9 (Patent Owner’s counsel agreeing that any differences in the parties’ proposed level of ordinary skill in the art are immaterial). We also find that Petitioner’s proposed level of ordinary skill in the art is consistent with the ’609 patent and the asserted prior art.” slip op. at 9
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededNot reached
“Based on the full record and because Petitioner’s anticipation challenge is based on giving these recitations no patentable weight and Petitioner’s obviousness challenge is based on the same recitations having patentable weight, we determine that resolving whether to give patentable weight to the recitations “to reduce thermal stress in said semiconductor substrate,” “to provide space for said conductive filler to expand inward,” and “to prevent contamination during processing of said semiconductor substrate” is not necessary to resolve the parties’ dispute. 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. full record, we also determine that express claim interpretation of any other claim term is not necessary. Id.” slip op. at 10
- Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable
“the claim, must be found in a single prior art reference. Net MoneyIN, Inc. v. VeriSign, Inc., 545 F.3d 1359, 1369 (Fed. Cir. 2008); Karsten Mfg. Corp. v. Cleveland Golf Co., 242 F.3d 1376, 1383 (Fed. Cir. 2001). Each element of the challenged claim must be found, either expressly or inherently, in the single prior art reference. Verdegaal Bros., Inc. v. Union Oil Co. of Cal., 814 F.2d 628, 631 (Fed. Cir. 1987). When evaluating a prior art reference in the context of anticipation, the reference must be “considered together with the knowledge of one of ordinary skill in the pertinent art.” In re Paulsen, 30 F.3d 1475, 1480 (Fed. Cir. 1994) (citing In re Samour, 571 F.2d 559, 562 (CCPA 1978)). “[A] reference can anticipate a claim even if it ‘d[oes] not expressly spell out’ all the limitations arranged or combined as in the claim, if a person of skill in the art, reading the reference, would ‘at once envisage’ the claimed arrangement or combination.” Kennametal, Inc. v. Ingersoll Cutting Tool Co., 780 F.3d 1376, 1381 (Fed. Cir. 2015) (quoting In re Petering, 301 F.2d 676, 681 (CCPA 1962)).” slip op. at 7
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner
“find that Cooney discloses “silicon vias having a hollow center.” Ex. 1002 ¶¶ 120–123; Ex. 1004 ¶¶ 55, 60, Fig. 6. We also find that the portions of Pogge cited by Petitioner show that its “void 25 has an important function in relieving stresses caused by differences in the thermal coefficient of expansion (TCE) of the various materials in and around the feature” (Ex. 1005 ¶ 27) and that the portions of Edelstein cited by Petitioner show that, “[a]lthough it does not change the thermal expansion coefficient, the introduction of a void or voids reduces the effective modulus and Poisson ratio of the through-via, resulting in a compliant through-via that exerts much less stress and force on the surrounding structures” (Ex. 1006 ¶ 47). As discussed above, we find that Cooney’s void 25 is “entirely surrounded by” its conductive filler 24 that, in turn, is surrounded by liner 22 and substrate 10’. Ex. 1004, Fig. 6. We credit Petitioner’s relied-upon testimonial evidence that the presence of a void was known to reduce thermal stress in the surrounding substrate, because the citations to the record support it. Ex. 1002 ¶¶ 124–134; Ex. 1005 ¶¶ 1, 9, 25–28, Fig. 2D; that “a void can decrease thermal stress in the substrate”). We agree with Petitioner’s declarant that Pogge provides a void in a TSV similar to Cooney and the ’609 patent. Ex. 1001, Fig. 4; Ex. 1002 ¶ 127; Ex. 1004, Fig. 6; Ex. 1005, Fig. 2D. We, thus, credit the testimony that, because of their common structural arrangements, one of ordinary skill in the art would have understood that stress-relieving characteristics in Pogge would have been manifested in Cooney’s void. Ex. 1002 ¶ 127. We also agree with Petitioner’s declarant that Edelstein includes a void in a TSV similar to Cooney, the ’609 patent, and Pogge. Ex. 1001, Fig. 4; Ex. 1002 ¶ 130; Ex. 1004, Fig. 6; Ex. 1005, Fig. 2F; Ex. 1006, Fig. 6F. We, therefore, credit the testimony that, because of their common structural arrangements, one of ordinary skill in the art would have understood that stress-relieving characteristics in Edelstein would have also been manifested in Cooney’s void. Ex. 1002 ¶ 130.” slip op. at 33
Patent outcomesUS 9,147,609 unpatentableClaim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 9,147,609 - PTAB · Dec 16, 2025 · IPR2025-01046 · APJ Neil T Powell · IPR · Institution
The Board instituted IPR on claims 2–15, finding a reasonable likelihood that the 1946 Cyclopedia, Lindström, and Wong render at least claim 2 obvious; claim 1 was disclaimed.
RulingsInstitution decision- Skill levelSkill level petitioner adoptedDecided for petitioner
“Patent Owner responds that Petitioner’s proposed level of ordinary skill in the art is incorrect, “because design or analysis experience with other industrial wheeled vehicles would not necessarily be applicable to the art of the ’892 Patent.” Prelim. Resp. 12 (citing Ex. 2035 ¶¶ 38–39). According to Patent Owner, a person of ordinary skill in the art “would have at least a bachelor’s degree in a discipline related to mechanical engineering, physics, structural design, or an equivalent discipline, and at least two years of experience designing or analyzing rail cars.” Id. (citing Ex. 2035 ¶¶ 34, 38). The parties agree that one of ordinary skill in the art “would have had at least a bachelor’s degree in a discipline related to mechanical engineering, physics, structural design, or an equivalent discipline, and at least two years 5 Because Patent Owner statutorily disclaimed claim 1, this ground is moot. Patent Owner, however, disagrees that the experience should include designing or analyzing “similar vehicles.” Prelim. Resp. 12. At this stage, for the reasons below, limiting the ordinary skill in the art to “at least two years of experience designing or analyzing rail cars” does not affect our analysis of the parties’ dispute or our determination that there is a reasonable likelihood that Petitioner would prevail with respect to at least one of the challenged claims. Thus, based on the preliminary record, we adopt Petitioner’s proposed level of ordinary skill to determine whether review should be instituted.” slip op. at 12
- Expert testimonyPetitioner expert creditedDecided for petitioner
“Patent Owner also argues that Petitioner’s declarant does not have “actual industry experience with railcar structures” and, thus, “makes the wrong conclusions and conflates various concepts that a [person of ordinary skill in the art] with practical industry experience and knowledge would not.” Prelim. Resp. 12–13 (citing Ex. 2035 ¶ 39). For the reasons discussed below, in our preliminary analysis, we give credit to the cited testimony of Petitioner’s declarant, because it finds support in the relied-upon portions of the record.” slip op. at 13
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“At this stage, we need not construe expressly any claim term to resolve the parties’ dispute regarding whether Petitioner has demonstrated a reasonable likelihood of prevailing on at least one challenged claim. 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 14
- Obviousness (§103) › Analogous artAnalogous artDecided for petitioner
“been obvious over the 1946 Cyclopedia and Wong. Weighing the parties’ arguments and evidence, we find Petitioner provides sufficient rational underpinning for its assertion that it would have been obvious in view of Wong to implement a cross-wise extending beam to reinforce the 1946 Cyclopedia’s NSC ore car’s end slope sheet. Pet. 52–53; Prelim. Resp. 28– 30. In response to Petitioner’s assertion that “[t]he upper, outboard end of [Wong’s slope sheet 26] is reinforced by a cross-wise, L-shaped beam positioned under the slope sheet,” Patent Owner argues that “Wong does not provide reinforcement, but simply shows two sheets being connected for lading containment and load transfer.” Pet. 52; Prelim. Resp. 29. At this stage, we find Petitioner has the better position. Although we agree with Patent Owner that Wong shows two sheets connected to one another, that does not negate Petitioner’s correct observation that Wong shows an upper end of its end slope sheet 26 resting on an L-shaped structure, which apparently would reinforce end slope sheet. Pet. 52; Ex. 1003 ¶ 56. reason to look to Wong in the first place,” we again find that Petitioner has the better position at this stage. Prelim. Resp. 29. For example, Wong’s disclosure of “hopper railcar 10” (Ex. 1006, 3:6–9) and the 1946 Cyclopedia’s disclosure of “Freight Cars: Hopper Ore” (Ex. 1004, 27–28; Ex. 1054, 27–28) support Petitioner’s position that “Wong and the 1946 Cyclopedia are in the same field.” Pet. 52; see also id. at 76 (“Wong discloses a rail road hopper car (‘hopper railcar’ 10)”), 18–19 (“The ore-car section of the 1946 Cyclopedia—entitled ‘Freight Cars: Hopper Ore’— contains drawings and a photograph of an ore car manufactured by Patent Owner NSC.”); Ex. 1003 ¶ 56 (“Wong and the 1946 Cyclopedia are in the same field of hopper railcars”) (citing Ex. 1004, 27–28; Ex. 1006, code [57]). This position is not persuasively rebutted by Patent Owner’s argument that Wong’s hopper railcar 10 uses aluminum and steel together for certain reasons. Prelim. Resp. 28–29.” slip op. at 23
Claim construction§ 103 obviousnesscites Phillips · KSRPatents in suitUS 8,166,892 - PTAB · Dec 16, 2025 · IPR2025-01047 · APJ Hyun J Jung · IPR · Institution
The Board instituted IPR of claims 1–44 on all presented challenges, finding a reasonable likelihood that FreightCar would prevail on at least one claim based on Hart, the 1906 Cyclopedia, and Wong.
RulingsInstitution decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“instituted “unless . . . there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” Upon consideration of the Petition and for the reasons explained below, we determine that Petitioner has shown a reasonable likelihood of prevailing with respect to at least one of the challenged claims. Thus, we institute an inter partes review of claims 1–44 of the ’515 patent on all presented challenges. 37 C.F.R. § 42.108(a) (2024) (“When instituting . . . review, the Board will authorize the review to proceed on all of the challenged claims and on all grounds of unpatentability asserted for each claim.”); see also SAS Inst. Inc. v. Iancu, 138 S. Ct. 1348, 1359–60 (2018).” slip op. at 2
- Skill levelSkill level petitioner adoptedDecided for petitioner
“The parties agree that one of ordinary skill in the art “would have had at least a bachelor’s degree in a discipline related to mechanical engineering, physics, structural design, or an equivalent discipline, and at least two years of experience designing or analyzing rail cars.” Pet. 29; Prelim. Resp. 9. Patent Owner, however, disagrees that the experience should include designing or analyzing “similar vehicles.” Prelim. Resp. 9. At this stage, for the reasons below, limiting the ordinary skill in the art to “at least two years of experience designing or analyzing rail cars” does not affect our analysis of the parties’ dispute or our determination that there is a reasonable likelihood that Petitioner would prevail with respect to at least one of the challenged claims. Thus, based on the preliminary record, we adopt Petitioner’s proposed level of ordinary skill to determine whether review should be instituted. Patent Owner also argues that Petitioner’s declarant does not have “actual industry experience with railcar structures” and, thus, “makes the wrong conclusions and conflates various concepts that a [person of ordinary skill in the art] with practical industry experience and knowledge of rail cars would not.” Prelim. Resp. 9–10 (citing Ex. 2035 ¶ 35). For the reasons discussed below, in our preliminary analysis, we give credit to the cited testimony of Petitioner’s declarant, because it finds support in the relied-upon portions of the record.” slip op. at 10
- Expert testimonyPetitioner expert creditedDecided for petitioner
“Patent Owner also argues that Petitioner’s declarant does not have “actual industry experience with railcar structures” and, thus, “makes the wrong conclusions and conflates various concepts that a [person of ordinary skill in the art] with practical industry experience and knowledge of rail cars would not.” Prelim. Resp. 9–10 (citing Ex. 2035 ¶ 35). For the reasons discussed below, in our preliminary analysis, we give credit to the cited testimony of Petitioner’s declarant, because it finds support in the relied-upon portions of the record.” slip op. at 10
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundInstituted
“to further support the upper, outboard end of the slope sheet with a crosswise, L-shaped beam as in Wong,” and one of ordinary skill in the art would have been motivated to do so, because of “the benefits of reinforcing the slope sheet at its upper end, where its connection with another structure creates a stress concentration.” Pet. 63 (citing Ex. 1003 ¶ 108). Petitioner points to Hart’s transverse beam b3 and argues that it suggests using a transverse beam like Wong if Hart is modified so that upper beam b3 no longer supports the slope sheet. Id. (citing Ex. 1008, Fig. 1). Petitioner also argues that the references are in the same field and that there would have been a reasonable expectation of success. Id. at 63–64 (citing Ex. 1003 ¶ 108; Ex. 1008, Fig. 1). Based on the preliminary record, Petitioner shows that its proposed combination of Hart, the 1906 Cyclopedia, and Wong teaches or suggests the above-quoted limitations of claim 24 and that one of ordinary skill in the art would have combined those references in the manner asserted with a reasonable expectation of success.” slip op. at 19
§ 103 obviousnesscites Phillips · KSRPatents in suitUS 8,132,515
Holdings, summaries, rulings, issues, outcomes, winners and claim constructions shown for a decision were generated by a large language model reading the opinion. They are a guide to the decision, not the decision. Confirm every one against the court's own text before relying on it. Outcomes read from the patent owner’s side. Party names are extracted from the decision and are missing on about 900 short Director denials and scans, which carry the trial number instead.