PTAB
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  • PTAB · Dec 1, 2025 · IPR2024-00973 · APJ George R Hoskins · IPR · Final written decision

    Claims 1, 3–7, 9–13, and 15–18 are unpatentable as obvious over Reiner and over Reiner with Takahara; claims 2, 8, and 14 were not shown unpatentable.

    RulingsFinal written decision
    • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed

      “patentability based solely on arguments considered above in the context of claim 4. See, e.g., PO Resp. 42–43, 47–52. Therefore, Patent Owner has waived any other argument. See Inst. Dec. 44; Paper 10, 10. We adopt Petitioner’s arguments concerning these claims having been obvious over Reiner as our own in this Decision. See Pet. 40–44, 50–56, 57–70, 71; Ex. 1003 ¶¶ 134–142, 154–168, 174–221, 227. Accordingly, we conclude a preponderance of the evidence establishes these claims are unpatentable as having been obvious over Reiner.” slip op. at 83

    • Expert testimonyOther
    • Skill levelOther
    Patent outcomesUS 9,184,157 mixed
    § 103 obviousnesscites KSR · Graham
    Patents in suitUS 9,184,157
  • PTAB · Aug 13, 2025 · IPR2024-01469 · APJ Steven M Amundson · IPR · Final written decision

    Claims 1–7, 9–15, and 18–20 are unpatentable; claims 8, 16, and 17 are not determined unpatentable under the asserted prior-art grounds.

    RulingsFinal written decision
    • PTAB / AIA Trials › §315(b) time barNot time barredDecided for petitioner

      “G. Analysis 1. REAL PARTY IN INTEREST Based on the record before us and for the reasons explained below, we disagree with Patent Owner that Menard is a “real party in interest” under § 315(b). See Resp. 77–82; Sur-reply 27–28. First, the circumstances here differ materially from the circumstances in Ventex. There, two agreements defined the relationship between Ventex (the petitioner and manufacturer of Heatwave fabric) and Seirus (the alleged real party in interest and purchaser of Heatwave fabric). Ventex, IPR2017- 00651, Paper 152 at 7 & n.8. First, a 2013 Supplier Agreement “prevented Ventex from selling to Seirus competitors” and included an indemnity provision requiring Ventex to indemnify Seirus for losses arising from Ventex’s failure to perform certain obligations. Id. at 7, 14. Second, a 2016 Exclusive Manufacturing Agreement provided that Ventex would manufacture the Heatwave fabric only for Seirus in exchange for Seirus’s payment of an exclusivity fee. Id. at 7. Columbia (the patent owner) accused Seirus products incorporating the Heatwave fabric of infringing the patent at issue, and Columbia served Seirus with a complaint alleging patent infringement in 2014 more than two years before Ventex filed a petition in 2017. Id. at 5, 7. When determining that Seirus was a “real party in interest” under § 315(b), the Board reasoned that “Ventex and Seirus had a specially structured, preexisting, and well established business relationship with one another, including indemnification and exclusivity arrangements.” Ventex, IPR2017-00651, Paper 152 at 10; see id. at 12. Additionally, the Board noted that certain evidence “suggest[ed] that” slip op. at 32

    • PTAB / AIA Trials › Real party in interest / privityRpi dispute resolved for petitionerDecided for petitioner

      “G. Analysis 1. REAL PARTY IN INTEREST Based on the record before us and for the reasons explained below, we disagree with Patent Owner that Menard is a “real party in interest” under § 315(b). See Resp. 77–82; Sur-reply 27–28. First, the circumstances here differ materially from the circumstances in Ventex. There, two agreements defined the relationship between Ventex (the petitioner and manufacturer of Heatwave fabric) and Seirus (the alleged real party in interest and purchaser of Heatwave fabric). Ventex, IPR2017- 00651, Paper 152 at 7 & n.8. First, a 2013 Supplier Agreement “prevented Ventex from selling to Seirus competitors” and included an indemnity provision requiring Ventex to indemnify Seirus for losses arising from Ventex’s failure to perform certain obligations. Id. at 7, 14. Second, a 2016 Exclusive Manufacturing Agreement provided that Ventex would manufacture the Heatwave fabric only for Seirus in exchange for Seirus’s payment of an exclusivity fee. Id. at 7. Columbia (the patent owner) accused Seirus products incorporating the Heatwave fabric of infringing the patent at issue, and Columbia served Seirus with a complaint alleging patent infringement in 2014 more than two years before Ventex filed a petition in 2017. Id. at 5, 7. When determining that Seirus was a “real party in interest” under § 315(b), the Board reasoned that “Ventex and Seirus had a specially structured, preexisting, and well established business relationship with one another, including indemnification and exclusivity arrangements.” Ventex, IPR2017-00651, Paper 152 at 10; see id. at 12. Additionally, the Board noted that certain evidence “suggest[ed] that” slip op. at 32

    • Skill levelOther

      “C. Level of Ordinary Skill in the Art Factors pertinent to determining the level of ordinary skill in the art include (1) the educational level of the inventor; (2) the type of problems encountered in the art; (3) prior-art solutions to those problems; (4) the rapidity with which innovations are made; (5) the sophistication of the technology; and (6) the educational level of workers active in the field. Envtl. Designs, Ltd. v. Union Oil Co., 713 F.2d 693, 696–97 (Fed. Cir. 1983). Not all factors may exist in every case, and one or more of these or other factors may predominate in a particular case. Id. These factors are not exhaustive, but 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). Moreover, the prior art itself may reflect an appropriate skill level. Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001). Petitioner asserts that a person of ordinary skill in the art at the ’336 patent’s effective filing date would have had “a bachelor’s degree in mechanical engineering, electrical engineering, optics, or physics with at least three years of experience working in the design of LED lights or lighting fixtures; a master’s degree in one of the above disciplines with at least two years of experience; or equivalent experience.” Pet. 14 (citing Ex. 1004 ¶¶ 26–29). Dr. Eden’s testimony supports Petitioner’s assertion. See Ex. 1004 ¶¶ 27–28. Patent Owner “adopts for purposes of this proceeding only” Petitioner’s description of an ordinarily skilled artisan. Resp. 10 (citing Pet. 14). We adopt Petitioner’s description of an ordinarily skilled artisan because it comports with the technology and claims of the ’336 patent as” slip op. at 40

    • Obviousness (§103) › Objective indicia / secondary considerationsObjective indicia no nexusDecided for petitioner

      “Alleged Objective Indicia of Nonobviousness (i) General Principles Before reaching a conclusion about obviousness, we consider evidence concerning objective indicia of nonobviousness. See Apple, 839 F.3d at 1048. For such evidence to have substantial weight, “its proponent must establish a nexus between the evidence and the merits of the claimed invention.” ClassCo, Inc. v. Apple, Inc., 838 F.3d 1214, 1220 (Fed. Cir. 2016); see Ancora Techs., Inc. v. Roku, Inc., 140 F.4th 1351, 1361 (Fed. Cir. 2025) (noting that the Board did not err by requiring “a nexus to the challenged claims as opposed to the patent as a whole”). “[T]here is no nexus unless the evidence presented is ‘reasonably commensurate with the scope of the claims.’” ClassCo, 838 F.3d at 1220 (quoting Rambus Inc. v. Rea, 731 F.3d 1248, 1257 (Fed. Cir. 2013)). The patentee “bears the burden of showing that a nexus exists.” WMS Gaming, Inc. v. Int’l Game Tech., 184 F.3d 1339, 1359 (Fed. Cir. 1999). A rebuttable presumption of nexus arises “when the patentee shows that the asserted objective evidence is tied to a specific product and that product ‘embodies the claimed features, and is coextensive with them.’” Fox Factory, Inc. v. SRAM, LLC, 944 F.3d 1366, 1373 (Fed. Cir. 2019) (quoting Polaris Indus., Inc. v. Arctic Cat, Inc., 882 F.3d 1056, 1072 (Fed. Cir. 2018)). Whether a rebuttable presumption of nexus arises “turns on the nature of the claims and the specific facts.” Teva Pharms. Int’l GmbH v. Eli Lilly & Co., 8 F.4th 1349, 1362 (Fed. Cir. 2021). The presumption analysis should consider the unclaimed features in the product tied to the objective evidence to assess their significance and impact on the correspondence between the patented invention and the product. Quanergy Sys., Inc. v. Velodyne Lidar USA, Inc., 24 F.4th 1406, 1418 (Fed. Cir. 2022). When, “for example, the patented invention is only a small component of the product tied to the objective evidence, there is no presumption of nexus.” Henny Penny Corp. v. Frymaster LLC, 938 F.3d 1324, 1333 (Fed. Cir. 2019). Absent a presumption of nexus, the patentee may prove nexus by” slip op. at 76

    Patent outcomesUS 10,299,336 mixed
    § 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 10,299,336
  • PTAB · Aug 13, 2025 · IPR2024-00101 · APJ Steven M Amundson · IPR · Final written decision

    Claims 1–7, 9–15, and 18–20 are unpatentable; claims 8, 16, and 17 are not shown unpatentable under the asserted grounds.

    RulingsFinal written decision
    • PTAB / AIA Trials › Real party in interest / privityRpi dispute resolved for patent ownerDecided for patent owner

      “G. Analysis 1. REAL PARTY IN INTEREST Based on the record before us and for the reasons explained below, we” slip op. at 32

    • PTAB / AIA Trials › §315(b) time barDecided for patent owner

      “III. WHETHER THE PETITION IS TIME BARRED The parties dispute whether the Petition is time barred based on a” slip op. at 18

    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “vacated the panel’s decision denying institution. Paper 12, 6. Among other things, the Director determined based on a “review of the current record” that (1) Menard is not a real party in interest in this proceeding and (2) Menard is not a privy of Petitioner. Id. at 5. Further, the Director remanded the case to the panel and instructed the panel “to determine whether the Petition presents a reasonable likelihood of prevailing with respect to at least one of the challenged claims under 35 U.S.C. § 314(a), and to determine whether to institute inter partes review accordingly.” Id. at 5–6.” slip op. at 3

    • BurdenMixed

      “U.S. Patent No. 10,299,336 B2 (“the ’336 patent”) (Exhibit 1001). For the reasons explained below, a preponderance of the evidence shows that claims 1–7, 9–15, and 18–20 in the ’336 patent are unpatentable and does not show that claims 8, 16, and 17 are unpatentable. See 35 U.S.C. § 316(e) (2024).” slip op. at 2

    Patent outcomesUS 10,299,336 mixed
    § 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 10,299,336
  • PTAB · Jul 14, 2025 · IPR2024-00465 · APJ Bart A Gerstenblith · IPR · Final written decision

    Claims 1–24 are unpatentable: claims 1–10 and 12–24 as obvious over Szrek and Llach, and claim 11 as obvious over Szrek, Llach, and Gilmore.

    RulingsFinal written decision
    • Skill levelSkill level board ownDecided for petitioner

      “B. Level of Ordinary Skill in the Art Petitioner proposes that the level of ordinary skill in the art is an artisan with a working knowledge of POS activation systems and lottery systems that was gained through a mixture of training and work experience in the relevant field such as (i) having a Bachelor’s degree in computer science, computer communications, electrical engineering, or equivalent degree, coupled with at least three years of work experience; (ii) having a Master’s degree in computer science, computer communications, or electrical engineering, but having less work experience; or (iii) having no formal degree, but having experience in the relevant field of at least six years of work experience. Pet. 2–3 (citing Ex. 1003 ¶¶ 13–14).9 Patent Owner states that, “[f]or the purpose of this proceeding, Patent Owner adopts the Petition’s proposed definition of the level of ordinary skill in the art.” PO Resp. 19 (citing Pet. 2–3). We find that the parties’ agreed-upon level of ordinary skill in the art is consistent with the level of ordinary skill in the art reflected by the ’451 patent and the prior art of record. See Inst. Dec. 14; see Okajima v. 9 Petitioner proposes the same level of ordinary skill in the art that the Board adopted in PGR2020-00084 (Pet. 2–3 (citing Ex. 1008, 11)), and IPR2023- 01235 (see IPR2023-01235, Paper 34 at 12–13). 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). Therefore, we adopt the parties’ agreed-upon level of ordinary skill in the art, as articulated above, in our consideration of the issues presently before us.” slip op. at 13

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

      “We need not construe “transaction processor” expressly because its meaning is not in dispute and its construction is not necessary to resolve the controversy before us.” slip op. at 16

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

      “On balance, we find that even with the alleged disadvantages identified by Patent Owner, one of ordinary skill in the art would have been motivated to modify Szrek with Llach’s third-party transaction processor because the advantage of having a “centralized intermediary” allows Szrek’s system to support different game providers, such as different lottery companies, which would reduce some implementation costs and allow the system to be more easily and cheaply extended. Pet. 47 (citing Ex. 1003 ¶ 181); see Medichem, S.A. v. Rolabo, S.L., 437 F.3d 1157, 1165 (Fed. Cir. 2006) (“a given course of action often has simultaneous advantages and disadvantages, and this does not necessarily obviate motivation to combine”) (citing Winner Int’l Royalty Corp. v. Wang, 202 F.3d 1340, 1349 n.8 (Fed. Cir. 2000)); see also Intel Corp. v. Qualcomm Inc., 21 F.4th 784, 795 (Fed. Cir. 2021) (stating the same). We acknowledge that the combination comes with some disadvantages, including “add[ed] delay, reduce[d] efficiency, and . . . implementation complexities by converting a simple, direct communication exchange into an exchange that traverses multiple systems.” PO Resp. 52 (citing Ex. 2052 ¶ 163). But, “[t]he fact that the motivating benefit comes at the expense of another benefit, however, should not nullify its use as a basis to modify the disclosure of one reference with the teachings of another. Instead, the benefits, both lost and gained, should be weighed against one another.” Winner, 202 F.3d at 1349 n.8. Here, Szrek expressly teaches indirect communication as a possible implementation of its system and Petitioner’s combination—employing Llach’s third-party transaction processor as part of the indirect communication channel—offers the attractive benefit of allowing Szrek’s system to support different game providers, which would reduce some implementation costs even if it might increase other costs, e.g., by having to program certain components (e.g., the cash registers) differently. Specifically, we find that the ability to expand Szrek’s system to support different game providers provides advantages that outweigh the disadvantages discussed above in the circumstance where one desires a more robust and comprehensive system. See Pet. Reply 23 (noting three advantages of the combination— (1) “allow[ing] Szrek’s system to use ‘a centralized system for activating lottery tickets from different retailers and different locations,’” (2) “allow[ing] support for different game providers, such as different lottery companies,” “reduc[ing] implementation costs,” and (3) “allow[ing] Szrek’s system to ‘communicate with individual card” slip op. at 37

    • Obviousness (§103) › Motivation to combine / reasonable expectation of success › HindsightMotivation foundDecided for petitioner

      “On balance, we find that even with the alleged disadvantages identified by Patent Owner, one of ordinary skill in the art would have been motivated to modify Szrek with Llach’s third-party transaction processor because the advantage of having a “centralized intermediary” allows Szrek’s system to support different game providers, such as different lottery companies, which would reduce some implementation costs and allow the system to be more easily and cheaply extended. Pet. 47 (citing Ex. 1003 ¶ 181); see Medichem, S.A. v. Rolabo, S.L., 437 F.3d 1157, 1165 (Fed. Cir. 2006) (“a given course of action often has simultaneous advantages and disadvantages, and this does not necessarily obviate motivation to combine”) (citing Winner Int’l Royalty Corp. v. Wang, 202 F.3d 1340, 1349 n.8 (Fed. Cir. 2000)); see also Intel Corp. v. Qualcomm Inc., 21 F.4th 784, 795 (Fed. Cir. 2021) (stating the same). We acknowledge that the combination comes with some disadvantages, including “add[ed] delay, reduce[d] efficiency, and . . . implementation complexities by converting a simple, direct communication exchange into an exchange that traverses multiple systems.” PO Resp. 52 (citing Ex. 2052 ¶ 163). But, “[t]he fact that the motivating benefit comes at the expense of another benefit, however, should not nullify its use as a basis to modify the disclosure of one reference with the teachings of another. Instead, the benefits, both lost and gained, should be weighed against one another.” Winner, 202 F.3d at 1349 n.8. Here, Szrek expressly teaches indirect communication as a possible implementation of its system and Petitioner’s combination—employing Llach’s third-party transaction processor as part of the indirect communication channel—offers the attractive benefit of allowing Szrek’s system to support different game providers, which would reduce some implementation costs even if it might increase other costs, e.g., by having to program certain components (e.g., the cash registers) differently. Specifically, we find that the ability to expand Szrek’s system to support different game providers provides advantages that outweigh the disadvantages discussed above in the circumstance where one desires a more robust and comprehensive system. See Pet. Reply 23 (noting three advantages of the combination— (1) “allow[ing] Szrek’s system to use ‘a centralized system for activating lottery tickets from different retailers and different locations,’” (2) “allow[ing] support for different game providers, such as different lottery companies,” “reduc[ing] implementation costs,” and (3) “allow[ing] Szrek’s system to ‘communicate with individual card” slip op. at 37

    Patent outcomesUS 11,488,451 unpatentable
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 11,488,451
  • PTAB · Jul 10, 2025 · IPR2025-00175 · APJ Jo-Anne M Kokoski · IPR · Institution

    The Board instituted review of claims 1–17 on all asserted grounds, finding a reasonable likelihood of unpatentability on at least one challenged claim.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “Institution of an inter partes review is authorized by statute when “the information presented in the petition . . . and any response . . . shows that there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” 35 U.S.C. § 314 (2018); see also 37 C.F.R. § 42.4 (2023). For the reasons discussed below, we determine that Petitioner establishes a reasonable likelihood of prevailing with respect to the patentability of at least one claim of the ’562 patent. Accordingly, we institute an inter partes review of claims 1–17 of the ’562 patent.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “(“POSITA”) would have had “at least a four-year degree in electrical engineering or a closely related field, and at least two years of experience in semiconductor device design,” and “[a]dditional education could substitute for professional experience and vice versa.” Pet. 6 (citing Ex. 1002 ¶¶ 80–” slip op. at 6

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

      “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). Neither party proposes any explicit construction of any term. See Pet. 7 (“For the purposes of this IPR, the plain meaning of each term can be applied.”). We do not expressly construe any term for purposes of this Decision.” slip op. at 7

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

      “On this record, we are persuaded that Petitioner adequately establishes that Usui discloses all of the limitations of claim 1. Usui discloses that aluminum or aluminum alloy layer 15 is in electrical contact with titanium underlayer 13, and titanium nitride layer 14 is located “intermediate the [titanium underlayer] 13 and the aluminum or aluminum alloy layer 15” to prevent “reaction between the aluminum layer 15 and underlayer 13.” Ex. 1004, 3:27–29, 3:38–41, 3:58–63. Usui further discloses that “a capping layer is provided above layer 15,” and that “[p]referred capping layers are titanium nitride and combinations of as layer 18 of a group IVA metal, preferably titanium with a titanium nitride layer 19.” Id. at 3:67–4:6. Usui teaches that titanium nitride layer 19 is about 150 to 800 Å thick, and that the thickness of titanium underlayer 13 is between about 90 to 110 Å. Id. at 3:31–33, 4:6–8. Usui also teaches that the interconnect metallurgy structures described therein “exhibit[] enhanced electromigration characteristics” and “are especially useful for forming electrical connections or wiring such as between active and/or passive devices of an integrated circuit structure.” Id. at 1:8–14. Usui’s description of a plurality of metal layers (layers 13–18) and a capping layer formed over the plurality of metal layers (layer 19), along with its description of the structure’s usefulness for forming electrical connections in an integrated circuit structure, is sufficient, on this record, to establish that Usui discloses “an electrode stack including a plurality of metal layers and a capping layer formed over said plurality of metal layers” as recited in claim 1. Usui’s teaching that the capping layer is a refractory metal nitride (titanium nitride) that has a thickness (150–800 Å) greater than the bottommost layer of the plurality of metal layers (layer 13, 90–110 Å), sufficiently establishes, on this record, that Usui discloses the “said capping layer consisting only of a refractory metal nitride, said refractory metal nitride forming a top of said electrical contact and having a thickness greater than that of a bottommost layer of said plurality of metal layers” limitation of claim 1.” slip op. at 11

    Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips
    Patents in suitUS 8,686,562
  • PTAB · Mar 12, 2025 · IPR2023-01206 · APJ Elizabeth M Roesel · IPR · Final written decision

    Claims 1, 2, and 4–22 are unpatentable as obvious; claim 23 was not shown unpatentable. Substitute claims 25–26 are allowed, while 24 and 27 are denied for lack of written-description support.

    RulingsFinal written decision
    • Expert testimonyPetitioner expert discountedOther

      “Exhibits 1013 and 1014 are also not admissible as expert testimony because Mr. Wirén is not “qualified as an expert by knowledge, skill, experience, training, or education.” Fed. R. Evid. 703. “To offer expert testimony from the perspective of a skilled artisan in a patent case—like for claim construction, validity, or infringement—a witness must at least have ordinary skill in the art. Without that skill, the witness’ opinions are neither relevant nor reliable.” Kyocera Senco Indus. Tools Inc. v. Int’l Trade Comm’n, 22 F.4th 1369, 1376–77 (Fed. Cir. 2022). Mr. Wirén does not meet our definition of a person of ordinary skill in the art. See Section II.B, supra. That definition is based on the undisputed testimony of Messrs. Zotterman and Klass. Ex. 1003 ¶ 24; Ex. 2003 ¶ 26. Although Mr. Wirén has a Master’s of Science in chemical engineering, he lacks any experience or specialization in paperboard manufacturing. Ex. 2011, 12:1–10, 19:6–25, 20:2–7. We therefore agree with Patent Owner that Exhibits 1013 and 1014 are the testimony of Mr. Wirén and should be excluded from evidence because Mr. Wirén is not a person of ordinary skill in the relevant art. PO MTE 5–6, 9; Sundance, Inc. v. DeMonte Fabricating Ltd., 550 F.3d 1356, 1362 (Fed. Cir. 2008) (“Unless a patent lawyer is also a qualified technical” slip op. at 61

    • Skill levelSkill level board ownOther

      “Level of Ordinary Skill in the Art Based on the testimony of the parties’ witnesses, we determine that a person of ordinary skill in the art would have had a bachelor’s degree in paper science and engineering, chemical engineering, process engineering, mechanical engineering, or a related degree, with three to five years of experience in paperboard manufacturing, or a master’s degree in paper science and engineering, chemical engineering, process engineering, or mechanical engineering, or a similar field with a specialization in paperboard manufacturing. Ex. 1003 ¶ 24; Ex. 2003 ¶ 26. We find that the level of ordinary skill in the art, as articulated above, is consistent with the level of technical understanding and competence reflected in the ’142 Patent Specification and the asserted prior art references.” slip op. at 10

    • Claim Construction › Intrinsic evidence (Phillips canons) › Specification disavowal / 'present invention' languageTerm construed petitioner constructionDecided for petitioner

      “A claim construction that excludes a particular element is viewed as a “negative limitation.” Ethicon LLC v. Intuitive Surgical, Inc., 847 Fed. App’x 901, 907 (Fed. Cir. Mar. 15, 2021). “[S]uch exclusions must find support either in ‘the words of the claim’ or through an ‘express disclaimer or independent lexicography in the written description that would justify adding that negative limitation.’” Id. (citing Omega Eng’g, Inc. v. Raytek Corp., 334 F.3d 1314, 1323 (Fed. Cir. 2003); CCS Fitness, Inc. v. Brunswick Corp., 288 F.3d 1359, 1366–67 (Fed. Cir. 2002)). “The standards for finding lexicography and disavowal are exacting.” GE Lighting Sols., LLC v. AgiLight, Inc., 750 F.3d 1304, 1309 (Fed. Cir. 2014). “To act as its own lexicographer, a patentee must ‘clearly set forth a definition of the disputed claim term,’ and ‘clearly express an intent to define the term.’” Id. (citing Thorner, 669 F.3d at 1365). Similarly, disclaimer or disavowal requires that the specification or prosecution history demonstrate that the invention does not include a particular feature. Id. Here, we find no claim language, lexicography, or disclaimer in the ’142 Patent or its file history that would support defining a “hot-hard calender” as requiring that only one of the two rollers be heated to an elevated temperature.” slip op. at 12

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

      “a contact surface of said thermo-roller is heated to an elevated temperature of at least 250°F.” Petitioner shows persuasively that the temperature limitation is taught by the combination of Fugitt and Papermaking. Pet. 32–34. Fugitt discloses that “[t]he rolls of the calender may be steam heated.” Ex. 1004 ¶ 26. In a section titled “Heated Rolls,” Papermaking discloses that “Steam can be used up to 170°C [338°F] surface temperature.” Ex. 1010, 95, 98. Petitioner is thus correct that, “[w]hile Fugitt teaches that a hot calender may be steam heated, Papermaking clarifies that one of ordinary skill in the art would understand that steam heated thermo-rollers may reach up to 338°F.” Pet. 36. Based on these disclosures, we are persuaded by Mr. Zotterman’s testimony that it would have been “obvious to heat the thermo-roller of Fugitt to at least 250°F.” Ex. 1003 ¶ 159. combine Fugitt and Papermaking because of Papermaking’s status as a “trusted handbook[],” because both references disclose a method of manufacturing a paperboard structure with hot calendering,” and “because of the known advantages of heated rollers.” Pet. 36–37; Ex. 1003 ¶¶ 157, 159, 162. Petitioner’s contention is supported by Papermaking’s disclosures that, for cartonboard, “[p]recalendering is used before the coater to reduce roughness and porosity” and “[h]igh thermo roll temperatures (in some cases over 200°C) result in bulk savings because of the temperature gradient.” Ex. 1005, 80–82; see also Pet. 38; Ex. 1003 ¶ 164 (citing these disclosures). Papermaking’s disclosed range of “up to 170°C [338°F]” for steam- heated rolls (Ex. 1010, 98), overlaps the claimed range of “at least 250°F.” Patent Owner agrees. Tr. 27:11–13. “If the relevant comparison between a disputed claim limitation and the prior art pertains to a range of overlapping values, ‘. . . even a slight overlap in range establishes a prima facie case of obviousness.’” Genentech, Inc. v. Hospira, Inc., 946 F.3d 1333, 1341 (Fed. Cir. 2020) (citing In re Peterson, 315 F.3d 1325, 1329 (Fed. Cir. 2003)). “[S]uch an overlap creates a presumption of obviousness, and . . . the burden of production falls upon the patentee to come forward with pertinent evidence that the overlapping range would not have been obvious in light of the prior art.” Id. (citing E.I. DuPont de Nemours & Co. v. Synvina C.V., 904 F.3d 996, 1006, 1008 (Fed. Cir. 2018)). slip op. at 21

    Patent outcomesUS 11,293,142 mixed
    Claim construction§ 103 obviousness§ 112 disclosurecites Phillips · KSR · Graham
    Patents in suitUS 11,293,142
  • PTAB · Feb 6, 2025 · IPR2023-01235 · APJ Bart A Gerstenblith · IPR · Final written decision

    Claims 1–6 were not shown unpatentable under either obviousness ground because Szrek did not disclose a pre-printed lottery ticket without lottery numbers associated at customer purchase.

    RulingsFinal written decision
    • PTAB / AIA Trials › Real party in interest / privityRpi dispute resolved for petitionerDecided for petitioner

      “real party in interest. Prelim. Resp. 1–2, 32–34. In the Institution Decision, we stated: To the extent Patent Owner seeks to pursue its argument that Linq3 is a real party of interest to Petitioner, even though no time bar under 35 U.S.C. § 315(b) has been asserted, Patent Owner may raise the issue of real party in interest again in its Patent Owner Response and the parties may brief and argue the issue during trial. Inst. Dec. 11. In its Patent Owner Response, Patent Owner did not raise the issue of challenging Petitioner’s identified real party in interest. See generally PO Resp. Thus, we need not address this issue further because we find that Patent Owner has waived any challenge to Petitioner’s identification of the real parties in interest in this proceeding. See Paper 12 (Scheduling Order), 9 (“Patent Owner is cautioned that any arguments not raised in the response may be deemed waived.”).” slip op. at 5

    • Skill levelSkill level petitioner adoptedDecided for patent owner

      “B. Level of Ordinary Skill in the Art Petitioner proposes that the level of ordinary skill in the art is an artisan with a working knowledge of POS activation systems and lottery systems that was gained through a mixture of training and work experience in the relevant field such as (i) having a Bachelor’s degree in computer science, computer communications, electrical engineering, or equivalent degree, coupled with at least three years of work experience; (ii) having a Master’s degree in computer science, computer communications, or electrical engineering, but having less work experience; or (iii) having no formal degree, but having experience in the relevant field of at least six years of work experience. Pet. 2–3 (citing Ex. 1003 ¶ 13).5 Patent Owner states that, “[f]or the purpose of this proceeding, Patent Owner adopts the Petition’s proposed definition of the level of ordinary skill in the art.” PO Resp. 19. 5 Petitioner proposes the same level of ordinary skill in the art that the Board adopted in PGR2020-00084. Pet. 2–3 (citing Ex. 1008, 11). We find that the parties’ agreed-upon level of ordinary skill in the art is consistent with the level of ordinary skill in the art reflected by the ’135 patent and the prior art of record. See Inst. Dec. 14; 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). Therefore, we adopt the parties’ agreed-upon level of ordinary skill in the art, as articulated above, in our consideration of the issues presently before us.” slip op. at 12

    • Claim Construction › Intrinsic evidence (Phillips canons) › Prosecution history disclaimer / disavowalTerm construed patent owner constructionDisclaimer foundDecided for patent owner

      “Following the block quote from Yacenda, the applicant then stated, “[b]ased on the foregoing, Yacenda’s system is directly opposite of the instant claims, as the instant claims require a ‘pre-printed lottery ticket’ which has no lottery numbers associated with it at the time of customer purchase.’” Ex. 1002, 76. This statement is clear and unmistakable. It (1) specifically states that “the instant claims require” and (2) then states what the claims require—a “‘pre-printed lottery ticket’ which has no lottery numbers associated with it at the time of customer purchase.” We fail to see how the applicant could have been more clear in stating a requirement of the Challenged Claims. And, by doing so, the applicant narrowed the scope of what would otherwise be encompassed in the meaning of “pre-printed lottery ticket” and therefore what would otherwise be encompassed in the scope of the Challenged Claims—a lottery ticket which has lottery numbers associated with it at the time of customer purchase.” slip op. at 27

    • Expert testimonyPetitioner expert discountedDecided for patent owner

      “We do not find Mr. Hutton’s testimony particularly helpful. First, we have addressed the points raised by his testimony in our discussion above because they are largely the same as the arguments raised in Petitioner’s Reply. Second, we find his testimony entitled to very little weight because he applies an incorrect understanding of the caselaw, which mirrors Petitioner’s incorrect and arguably misleading quotations of the Federal Circuit’s decision in Quest. In particular, in paragraph 5, Mr. Hutton states the following as his understanding of the law as it applies to prosecution disclaimer: “I also understand that in order to disclaim embodiments within the specification, the statements should have some indication that the applicant intended to surrender embodiments from the specification.” Ex. 1038 ¶ 5 (emphasis added). This then leads Mr. Hutton to state: “[t]hus, in my opinion, a [person of ordinary skill in the art] would not view applicant’s statements as a disclaimer, because the applicant never stated that they intended to surrender multiple embodiments described in the specification.” Id. ¶ 13 (emphasis added). As we explained above in responding to a similar argument by Petitioner, the caselaw does not require an applicant to expressly state whether a disclaimer excludes particular embodiments of the subject specification when disclaiming claim scope during prosecution. See Quest, 924 F.3d at 1229. And, as noted above, counsel for Petitioner agreed that such a statement explicitly disclaiming particular embodiments is not required. Tr. 12:18–13:17. Third, although we have considered Mr. Hutton’s testimony, we find it “less significant than the intrinsic record in determining the legally operative meaning of” “pre-printed lottery ticket.” Phillips, 415 F.3d at 1317. In particular, we are cognizant of the Federal Circuit’s guidance that we “should discount any expert testimony that is clearly at odds with the claim construction mandated by . . . the prosecution history.” Id. at 1318 (internal quotation omitted). In this instance, for the reasons explained above, we find that Mr. Hutton’s testimony is clearly at odds with the applicant’s arguments during prosecution and that his testimony is based on a misunderstanding of what is required by the governing caselaw for prosecution history disclaimer.” slip op. at 43

    Patent outcomesUS 9,865,135 not shown unpatentable
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 9,865,135
  • PTAB · Jul 25, 2024 · IPR2024-00399 · APJ Christopher M Kaiser · IPR · Institution

    The Board instituted IPR on claims 1–19 on all asserted grounds, finding a reasonable likelihood that claim 1 would have been shown obvious over Kalliola, Turunen, Oswald, Vauclair, and Kalayjian.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “determine whether to institute an inter partes review under 35 U.S.C. § 314 and 37 C.F.R. § 42.4(a). Inter partes review may not be instituted unless “the information presented in the petition filed under [35 U.S.C.] section 311 and any response filed under [35 U.S.C.] section 313 shows that there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” 35 U.S.C. § 314(a) (2018). “When instituting inter partes 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.” 37 C.F.R. § 42.108(a) (2023). For the reasons set forth below, upon considering the briefing and the evidence of record, we determine that the information presented in the Petition establishes a reasonable likelihood that Petitioner will prevail with respect to at least one of the challenged claims, and we institute inter partes review on all of the challenged claims based on all of the grounds identified in the Petition.” slip op. at 2

    • Parallel petitionsDecided for petitioner

      “1 Patent Owner does not request that we exercise our discretion to deny institution of either parallel petition. On the present record, we find that Petitioner’s explanation of the need for two parallel petitions is sufficient to justify not exercising discretion to deny institution in either case. The parallel petitions challenge different sets of claims of the ’246 patent, and there are a large number of claims challenged collectively between the two petitions.” slip op. at 3

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “to “a bachelor’s degree in computer science, computer engineering, electrical engineering, or a similar technical field and 2-4 years of experience with wireless ranging and positioning systems, wireless communication devices, and associated computer programming.” Pet. 4 (citing Ex. 1003 ¶ 35). Patent Owner does not dispute Petitioner’s assertion on the present record. Prelim. Resp. 1–22. For purposes of this Decision, we adopt Petitioner’s proposed level of skill, as articulated above. We are satisfied that Petitioner’s proposed definition generally comports with the level of skill necessary to understand and implement the teachings of the ’246 patent and the asserted prior art. This definition is also supported by the testimony of Dr. Buehrer. See Ex. 1003 ¶ 35.10” slip op. at 8

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

      “Petitioner proposes construing two terms. Pet. 5–6 (citing Ex. 1011, 6–11). First, Petitioner proposes that we construe “[t]ime of flight calculations” as “[d]etermining the amount of time between when a signal is transmitted and when a reply signal is received.” Id. at 6. Second, Petitioner proposes that we construe “[s]ignal delay” as “[d]ifference in time between when a signal is received at two or more antennas.” Id. On the present record, Patent Owner does not dispute these proposed constructions. Prelim. Resp. 1–22. For the purposes of this Decision, we adopt the constructions proposed by Petitioner. Those constructions are supported by briefing in the parallel district court case, in which they were proposed by Patent Owner. Ex. 1011, 6–11.” slip op. at 9

    Claim construction§ 103 obviousnessDiscretionary denialcites Phillips · KSR · Graham
    Patents in suitUS 11,350,246
  • Netflix, Inc. v. Divx, LLCNo claims unpatentable
    PTAB · Feb 22, 2024 · IPR2020-00558 · APJ Iftikhar Ahmed · IPR · Remand

    The majority determined claims 1–24 were not shown unpatentable over Chen, Lindahl, and Hurst; the dissent would have found them obvious.

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

      “We determine Patent Owner’s reading of the claim limitation is the better one. The limitation begins with the verb “locating,” and it therefore makes sense that the clause would recite what is located (i.e., encryption information) and where it is located (i.e., within the requested portions of the selected stream of protected video). In other words, it is reasonable that the second and third clauses of the limitation both modify the first clause (for example, as could perhaps be expressed through the use of commas as “locating encryption information, that identifies encrypted portions of frames of video, within the requested portions of the selected stream of protected video”).10 On the other hand, Petitioner’s reading of the limitation, 10 In general, we recognize that the use of commas to set off phrases in claim drafting is not consistent. We included commas above to illustrate Patent Owner’s understanding of the claim limitation. allowing only the second clause to modify the first, while not unreasonable, makes less sense. That is, the encrypted information identifies the encrypted portions of frames, which in turn are within the requested portions of the selected stream of protected video. Reading the claim in its entirety, the encrypted portions of frames would be understood to be located within the requested portions of the stream; it does not seem necessary for the claim to expressly recite that aspect. For example, the very next limitation— limitation [m] of claim 1—refers to “each encrypted portion of the frames of video” but does not expressly recite “within the requested portions of the selected stream.” Ex. 1001, 27:58–60. Thus, when limitation [l] recites “within the requested portions of the selected stream,” it seems more likely that the clause refers to where that encrypted information is located rather than simply to indicate the obvious location of the encrypted portion of the frames of video. We therefore view Patent Owner’s reading of the claim language as the better one.” slip op. at 13

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

      “I am persuaded that the Petition demonstrates that one of ordinary skill in the art would have had a motivation to combine Chen, Lindahl, and Hurst, as asserted by Petitioner. As the Federal Circuit found, the Petition pointed to and relied upon the portions in Chen describing pre-Chen art, without scalability or FEC features that were part of what Chen describes as aspects of its own inventive system. Netflix, slip op. at 9–10 (citing Pet. 17– 19, 69–70). I agree with Petitioner that “Chen-924 teaches several embodiments that adaptively stream alternative representations of a video using partially encrypted container files.” Pet. 20 (citing Ex. 1010, 14:41– 15:60). I determine that Chen-924 provides support for the rationale provided in the Petition, and that one of ordinary skill in the art would have been motivated to combine Chen and Lindahl in view of the disclosure of Chen-924. As discussed above, the Petition does not rely solely on privacy concerns and improvements to efficiency as its motivation to combine the references. See Pet. 18–19 (specifying piracy concerns, improvements to the efficiency of adaptive streaming, optimization of the balance between bitrate and bandwidth, and improvements to the end-user experience with fast startup and seek). With respect to whether one of ordinary skill in the art would have” slip op. at 52

    • Strike new argumentNew argument disregardedDecided for petitioner

      “I agree with Petitioner that Patent Owner’s Remand Brief, specifically pages 1–7, attempt to address aspects of claim 1 for the first time on remand. I also agree that Patent Owner’s arguments attempt to recharacterize limitations [j] and [k] to raise issues that Patent Owner did not raise previously, in contravention of our Order that issues raised needed support from “where those issues were raised in previous briefings by the parties.” Paper 56, 2. I have addressed whether scalability and FEC are integral to how Chen operates above, as well as whether the Petition relies on those aspects, supra. The questions about how Chen operates and what portions of Chen are asserted in the ground of unpatentability were previously raised, but now are being considered or reconsidered, based on the Federal Circuit’s decision. In Patent Owner’s Remand Brief, pages 1–7, the citations to argument previously raised do not support the arguments now presented by Patent Owner on remand. As such, I determine Patent Owner’s new arguments fall outside the scope of remand, and I dismiss these arguments seeking to distinguish limitations [j] and [k] from the cited prior art combination.24” slip op. at 62

    • ExcludeMotion to exclude, grantedMixed

      “7 Patent Owner’s Brief on Remand recognizes that there are two arguments Patent Owner raised in its Patent Owner Response that were not addressed in the Final Written Decision. See PO Remand Br. 1 (citing PO Resp. 24–37 (the construction of “locating encrypted information . . . within requested portions”), 38–58 (referring to Patent Owner’s “common keys” argument)). 8 The Final Decision also addressed Petitioner’s Motion to Exclude (Paper 42). See Final Dec. 28–37 (granting-in-part, denying-in-part, and dismissing-in-part Petitioner’s Motion). Our determinations on that Motion were part of Petitioner’s appeal to the Federal Circuit. See Paper 52. Because the Federal Circuit did not address this aspect of the Final Written Decision and the Federal Circuit’s decision does not impact our previous rulings on the Motion, we maintain those rulings here. Additionally, on remand, Petitioner requested authorization to file a motion for sanctions, which we held in abeyance until the parties’ briefing on remand was complete. See Ex. 3003, 1. Petitioner requests sanctions because of the impropriety of Patent Owner’s remand brief, including new claim construction arguments for limitations [1j] and [1k], and prejudice to Petitioner. Id. at 3, 5. Although we reserved further consideration of Petitioner’s request, we expanded both the time and pages allowed for Petitioner’s responsive brief, and also allowed Petitioner to address any related issues in its responsive brief. Id. at 1. Having considered the parties’ briefing on remand, and given that we do not reach the claim construction arguments that Petitioner objected to in its request for authorization to file a motion for sanctions, we deny Petitioner’s request.” slip op. at 5

    Patent outcomesUS 10,225,588 not shown unpatentable
    Claim construction§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 10,225,588
  • PTAB · Sep 28, 2023 · IPR2022-00847 · APJ Brian D Range · IPR · Final written decision

    Claims 21, 22, 25, 26, 28–30, 32–36, 40, 42–44, 47–49, 52, 53, 56–59, 62, 63, 65–68, 71–73, 77, 78, 81, 82, 85, 86, and 88–91 are unpatentable over Begemann, Krames, and Allen; claim 41 is …

    RulingsFinal written decision
    • ExcludeMotion to exclude, deniedDenied

      “Patent Owner’s argument is unpersuasive because the Krames declaration addresses the Patent Owner Response and is relevant to the issues at hand. We start with an important observation: claim 21 (the only independent claim at issue) is an apparatus claim; the claim is directed to a “semiconductor light source.” Ex. 1001, 9:52. One requirement of this apparatus is that it comprise “at least one semiconductor chip” (id. at 10:1) where the “at least one semiconductor chip is a light emitting diode (LED) chip configured to output light at greater than about 40 milliwatts.” Id. at EPRC, 1:34–36. As we explain when addressing claim construction, infra, we adopt Patent Owner’s proposed construction of “a light emitting diode (LED) chip configured to output light at greater than about 40 milliwatts” as meaning “at least one LED chip is capable of emitting light greater than about 40 milliwatts.” See Section III.D, infra (emphasis added). Because of these recitations, Petitioner bears the burden of establishing that the prior art teaches or suggests a semiconductor chip “capable of emitting light greater than about 40 milliwatts.” As explained herein, we determine that in the Petition, Petitioner met this burden by establishing by a preponderance of the evidence that the Krames reference teaches an LED chip that has this capability. Pet. 54 (quoting Ex. 1008, 10). Notably, claim 21 does not require actual operation of anything at greater than 40 milliwatts because claim 21 is not a method claim. Petitioner never had a burden of establishing a method of running the Krames reference’s LED at this power output within a semiconductor light source.” slip op. at 12

    • Skill levelSkill level patent owner adoptedDecided for patent owner

      “We agree with Patent Owner that the challenged claims relate to light fixtures, LED packaging, and LED chip layer structure and that the ’961 patent claims reflect “a hybrid of the light bulb art and semiconductor art.” Resp. 19. The prior art of record, for example, Begemann, likewise reflects “a hybrid of the light bulb art and semiconductor art.” Id. (quoting Pet. 28). Petitioner’s expert, Dr. Lebby, agreed that a person having ordinary skill in the art would need to be “familiar with thermal issues.” Ex. 2015, 26:15– 28:16. While Petitioner’s proposed description of a person having ordinary skill in the art could, in some instances, be sufficient to qualify a person as having ordinary skill, Patent Owner’s proposal is a more complete and accurate description of the level of skill commensurate with the scope of the challenged ’961 patent claims. Patent Owner’s description appears consistent with the prior art and patent specification before us and is supported by witness testimony. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (prior art itself may reflect an appropriate level of skill). For the purpose of this Decision, we adopt Patent Owner’s description. We further note that the outcome of our decision would be the same under either party’s asserted skill level.” slip op. at 19

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

      “particularly relevant.” Resp. 14–15. First, Patent Owner argues that “a light emitting diode (LED) chip configured to output light at greater than about 40 milliwatts” means “at least one LED chip is capable of emitting light greater 9 Petitioner states that “Patent Owner thus contends the recited ‘reflective layers’ can include transparent or semi-transparent layers that exhibit some reflectivity (e.g., SiO2) or an interface between two layers (e.g., the buffer and substrate layers) that exhibit differing indices of refraction.” Pet. 20. Patent Owner frames this as being Petitioner’s “novel construction” (Resp. 16), but Petitioner does not expressly endorse this Patent Owner contention. than about 40 milliwatts.” Resp. 14–15. Patent Owner notes that a district court already adopted this construction and notes that the “LED chip” includes LEDs, LED modules, and LED arrays but excludes laser chips, laser modules, and VCSEL chips. Id. (citing Ex. 2003, 15–18). Petitioner argues that the phrase “needs no construction” and that Petitioner’s grounds meet this construction. Reply 1–2. We adopt Patent Owner’s proposed construction because it is well supported by the record including the District Court’s reasoning. Ex. 2003, 15–18. slip op. at 20

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

      “It is unnecessary to construe any other claim terms in this Decision because none of the parties’ disputes turn on the meaning of other claim terms. See, e.g., Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017).” slip op. at 22

    Patent outcomesUS 6,465,961 mixed
    Claim construction§ 102 anticipation§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 6,465,961
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