patent-validity
44 cases — ← All topics
| Case | Title | Lower Court | Docketed | Status | Flags | Tags | Question Presented |
|---|---|---|---|---|---|---|---|
| 25A884 | CPC Patent Technologies PTY Ltd. v. Apple Inc. | Federal Circuit | 2026-02-05 | Application | federal-circuit patent-appeal patent-validity prior-art rule-36 unpatentability | Whether the Federal Circuit's Rule 36 summary affirmance without opinion improperly limits meaningful appellate review of Patent Trial and Appeal Boar… | |
| 25-570 | Agilent Technologies, Inc. v. Synthego Corp. | Federal Circuit | 2025-11-13 | Pending | Response RequestedResponse Waived | anticipation burden-of-proof enablement patent-validity printed-publications prior-art | Should printed publications be presumed to be enabling when challenging patent validity such that the burden of proving nonenabling lies with the pate… |
| 25-225 | MSN Pharmaceuticals, Inc., et al. v. Novartis Pharmaceuticals Corporation | Federal Circuit | 2025-08-26 | Denied | Amici (10)Response RequestedResponse WaivedRelisted (2) | after-arising-technology claim-construction federal-circuit patent-infringement patent-validity section-112 | Whether, in a patent-infringement suit, a court may consider after arising technology to hold that the patent is invalid under § 112(a) of the Patent … |
| 24-1281 | Gesture Technology Partners, LLC v. Unified Patents, LLC | Federal Circuit | 2025-06-16 | Denied | Response RequestedResponse WaivedRelisted (3) | administrative-adjudication article-iii non-article-iii-forum patent-monopoly patent-validity property-rights | Whether the PTO has the authority to conduct administrative adjudications regarding the validity of expired patents, and thereby extinguish private pr… |
| 24-1280 | Gesture Technology Partners, LLC v. Apple Inc., et al. | Federal Circuit | 2025-06-16 | Denied | Response RequestedResponse WaivedRelisted (3) | administrative-adjudication article-iii non-jury-forum patent-monopoly patent-validity property-rights | Whether the PTO has the authority to conduct administrative adjudications regarding the validity of expired patents, and thereby extinguish private pr… |
| 24A1215 | MSN Pharmaceuticals, Inc., et al v. Novartis Pharmaceuticals Corporation | Federal Circuit | 2025-06-10 | Presumed Complete | after-arising-technology enablement-doctrine federal-circuit genus-claim patent-law patent-validity | Whether a patent may validly claim a genus without describing or enabling species of the genus that utilize after-arising technology | |
| 24-866 | Converter Manufacturing, LLC v. Tekni-Plex, Inc. | Federal Circuit | 2025-02-13 | Denied | administrative-law burden-of-proof patent-enablement patent-validity prior-art statutory-interpretation | Whether the patent challenger bears the burden of proving enablement of prior art under Sections 102 and 103 of the Patent Act | |
| 24A208 | ParkerVision, Inc. v. TCL Industries Holdings Co., et al. | Federal Circuit | 2024-08-27 | Presumed Complete | administrative-adjudication inter-partes-review jury-trial patent-validity public-rights seventh-amendment | Whether the Seventh Amendment requires patent validity challenges to be adjudicated by a jury rather than an administrative agency under the public ri… | |
| 24A207 | ParkerVision, Inc. v. TCL Industries Holdings Co., et al. | Federal Circuit | 2024-08-27 | Presumed Complete | administrative-adjudication inter-partes-review jury-trial patent-validity public-rights seventh-amendment | Whether the Seventh Amendment requires patent validity challenges to be adjudicated by a jury rather than an administrative agency under the public ri… | |
| 23A883 | Cellect, LLC v. Katherine K. Vidal, Under Secretary of Commerce for Intellectual Property and Director, United States Patent and Trademark Office | Federal Circuit | 2024-04-04 | Presumed Complete | federal-circuit obviousness-type-double-patenting patent-expiration patent-term-adjustment patent-term-extension patent-validity | Whether Patent Term Adjustment (PTA) and Patent Term Extension (PTE) should be interpreted consistently when determining the expiration dates of commo… | |
| 23-804 | Liquidia Technologies, Inc. v. United Therapeutics Corporation | Federal Circuit | 2024-01-25 | Denied | Response Waived | administrative-law federal-circuit induced-infringement inter-partes-review patent-infringement patent-validity preclusion preclusion-doctrine ptab statutory-framework | Whether a party may be liable for induced patent infringement when the PTAB has already issued a final written decision determining that the same pate… |
| 23A565 | Liquidia Technologies, Inc. v. United Therapeutics Corporation | Federal Circuit | 2023-12-19 | Presumed Complete | administrative-preclusion biotechnology-patents inter-partes-review issue-estoppel patent-infringement patent-validity | Whether a Patent Trial and Appeal Board (PTAB) decision finding patent claims unpatentable can serve as a defense to induced patent infringement befor… | |
| 23-230 | Personalized Media Communication, LLC v. Apple Inc. | Federal Circuit | 2023-09-12 | Denied | Response Waived | docket-management due-process equitable-doctrine patent patent-infringement patent-office patent-prosecution patent-validity prosecution-laches statutory-deadlines | Whether prosecution laches can be based on an applicant's prosecution of a patent application in compliance with the PTO's docket-management decisions |
| 22-1001 | NST Global, LLC, dba SB Tactical v. Sig Sauer Inc. | Federal Circuit | 2023-04-14 | Denied | administrative-procedure administrative-procedure-act burden-of-proof due-process federal-circuit federal-circuit-rule-36 inter-partes-review patent-construction patent-preamble patent-validity | Whether the Federal Circuit's affirmance of the PTAB's decision on preamble construction impermissibly shifts the burden to invalidate a patent from t… | |
| 22-819 | Franz Wakefield, dba CoolTVNetwork.com v. Blackboard, Inc., et al. | Federal Circuit | 2023-02-28 | Denied | Response WaivedRelisted (2) | 7th-amendment civil-procedure civil-rights due-process evidence-standard magistrate-judge markman-test patent patent-validity standing statutory-interpretation | Whether a Magistrate Judge can invalidate a patent using a preponderance of the evidence standard and failing to follow the Markman test |
| 22-298 | Jump Rope Systems, LLC v. Coulter Ventures, LLC, dba Rogue Fitness | Federal Circuit | 2022-09-28 | Denied | Amici (5)Response RequestedResponse WaivedRelisted (2) | collateral-estoppel federal-circuit inter-partes-review patent-infringement patent-law patent-validity preclusion-doctrine restatement-of-judgments | Whether a PTAB determination of unpatentability has collateral estoppel effect on patent validity in district court |
| 22-203 | Apple Inc., et al. v. California Institute of Technology | Federal Circuit | 2022-09-07 | Denied | CVSGAmici (3)Response RequestedResponse WaivedRelisted (3) | administrative-procedure administrative-process civil-procedure federal-circuit inter-partes-review patent patent-law patent-validity standing statutory-interpretation | Whether the Federal Circuit erroneously extended IPR-estoppel under 35-USC-315(e)(2) to all grounds that reasonably-could-have-been-raised in the peti… |
| 21-1327 | Apple Inc. v. Qualcomm Incorporated | Federal Circuit | 2022-04-05 | Denied | Response RequestedResponse WaivedRelisted (2) | article-iii article-three-standing inter-partes-review license-agreement medimmune patent-challenge patent-validity qualcomm-dispute standing | Whether a licensee has Article III standing to challenge the validity of a patent covered by a license agreement that covers multiple patents |
| 21-746 | Apple Inc. v. Qualcomm Incorporated | Federal Circuit | 2021-11-19 | Denied | CVSGAmici (5)Relisted (2) | article-iii civil-procedure civil-rights due-process inter-partes-review license-agreement patent patent-challenge patent-validity standing takings | Whether a licensee has Article III standing to challenge the validity of a patent covered by a license agreement that covers multiple patents |
| 21-540 | Warsaw Orthopedic, Inc., et al. v. Rick C. Sasso | Indiana | 2021-10-13 | Denied | Response RequestedResponse WaivedRelisted (2) | claim-scope exclusive-jurisdiction federal-circuit federal-patent-law gunn-v-minton jurisdictional-split patent-jurisdiction patent-validity state-court-adjudication state-court-jurisdiction | Whether a dispute raises substantial issues of federal patent law when its resolution necessarily depends on patent-law determinations regarding claim… |
| 21-406 | Impax Laboratories, Inc. v. Federal Trade Commission | Fifth Circuit | 2021-09-15 | Denied | Amici (1) | antitrust antitrust-law competition-law patent patent-infringement patent-litigation patent-settlement patent-strength patent-validity reverse-payment | Whether the presence of a reverse-payment that exceeds a patentee's saved-litigation-costs and the value-of-services-provided by a patent-challenger s… |
| 20-1700 | Ultratec, Inc. v. CaptionCall, LLC, et al. | Federal Circuit | 2021-06-08 | Denied | Response RequestedResponse WaivedRelisted (2) | 5th-amendment constitutional-challenge due-process federal-circuit federal-circuit-rule-36 inter-partes-review patent patent-review patent-validity retroactivity | Does retroactive application of the inter partes review process violate the Due Process Clause of the Fifth Amendment to the United States Constitutio… |
| 20-1604 | Biogen MA Inc. v. EMD Serono, Inc., et al. | Federal Circuit | 2021-05-18 | Denied | anticipation claim-construction incentives medical-treatment method-of-treatment novelty patent patent-law patent-validity prior-art recombinant-protein | Whether courts may disregard the express claim term 'recombinant' so as to render a method-of-treatment patent anticipated—and thus invalid—in light o… | |
| 20-1291 | WPEM, LLC v. SOTI Inc. | Federal Circuit | 2021-03-17 | Denied | 35-usc-282 35-usc-285 clear-and-convincing-evidence district-court-discretion exceptional-case patent-law patent-validity prior-art | Does a patent's presumption of validity afforded by 35 U.S.C. §282 limit a district court's discretion to find a case exceptional under 35 U.S.C. §285… | |
| 20-779 | Argentum Pharmaceuticals LLC v. Novartis Pharmaceuticals Corporation | Federal Circuit | 2020-12-08 | Denied | Amici (1)Response RequestedResponse WaivedRelisted (2) | administrative-proceeding article-iii-standing article-three-standing fda-approval inter-partes-review joint-venture leahy-smith-america-invents-act patent-challenge patent-validity pharmaceutical-industry pharmaceutical-patent | Did the Federal Circuit categorically and erroneously preclude redress for injured members of joint ventures in the pharmaceutical industry by only re… |
| 20-737 | B/E Aerospace, Inc. v. C&D Zodiac, Inc. | Federal Circuit | 2020-11-27 | Denied | Response Waived | administrative-procedure america-invents-act inter-partes-review obviousness patent-challenge patent-validity printed-publications prior-art statutory-interpretation | Whether the Board has authority to consider unpatentability on a ground of obviousness that is not 'only on the basis of prior art consisting of paten… |
| 20-631 | Hologic, Inc., et al. v. Minerva Surgical, Inc. | Federal Circuit | 2020-11-10 | Denied | administrative-proceedings america-invents-act assignor-estoppel collateral-estoppel infringement-litigation patent-infringement patent-office patent-validity | Whether an assignor of a patent may circumvent the doctrine of assignor estoppel by challenging the validity of the assigned patent in administrative … | |
| 20-325 | Whitserve LLC v. Donuts Inc., et al. | Federal Circuit | 2020-09-11 | Denied | 35-usc-101 commercial-success fact-weighing patent-eligibility patent-infringement patent-validity presumption-of-validity rule-12(b)(6) rule-12b6 statutory-presumption | Whether a district court is permitted to overlook a patentee's factual assertions regarding patent-eligibility under 35 U.S.C. § 101, including assert… | |
| 20-88 | HZNP Finance Limited, et al. v. Actavis Laboratories UT, Inc. | Federal Circuit | 2020-07-29 | Denied | Response RequestedResponse WaivedRelisted (2) | 35-usc-112 claim-construction consisting-essentially-of nautilus-v-biosig patent patent-act patent-claim patent-validity reasonable-certainty statutory-interpretation transitional-phrase | Whether the 'basic and novel properties' identified in connection with a patent claim's transitional phrase 'consisting essentially of' must independe… |
| 20-74 | Andrei Iancu, Under Secretary of Commerce for Intellectual Property and Director, United States Patent and Trademark Office v. Eugene H. Luoma, et al. | Federal Circuit | 2020-07-27 | GVR | Response WaivedRelisted (2) | administrative-law america-invents-act enablement intellectual-property judicial-review obviousness patent-eligibility patent-review patent-trial-and-appeal-board patent-validity prior-art written-description | Whether the Patent Trial and Appeal Board's application of the statutory requirements for patentability under 35 U.S.C. §§ 101, 102, 103, and 112 was … |
| 19-1131 | Actavis Laboratories FL, Inc. v. Nalpropion Pharmaceuticals LLC | Federal Circuit | 2020-03-16 | Denied | Amici (1) | 35-usc-112 claim-construction federal-circuit patent-claims patent-law patent-law-35-usc-112 patent-specification patent-validity statutory-interpretation written-description written-description-requirement | Whether § 112 requires a patent's specification to contain a written description of all of the limitations of a patent's claims, not just a 'substanti… |
| 19-1124 | Chrimar Systems, Inc., dba CMS Technologies, Inc., et al. v. Ale USA Inc., et al. | Federal Circuit | 2020-03-13 | Denied | Amici (4)Response RequestedResponse WaivedRelisted (3) | administrative-agency administrative-law administrative-review article-iii-court article-iii-courts article-iii-jurisdiction damages damages-judgment executive-branch-decision federal-circuit finality finality-standard patent-infringement patent-law-finality patent-trial-and-appeal-board patent-validity standard-of-review | Whether the Federal Circuit may apply a finality standard for patent cases that conflicts with the standard applied by this Court and all other circui… |
| 19-1097 | Enzo Life Sciences, Inc. v. Becton, Dickinson and Company, et al. | Federal Circuit | 2020-03-06 | Denied | Relisted (2) | aia burden-of-proof due-process inter-partes-review patent patent-validity retroactive-legislation retroactivity takings vested-rights | Does the application of inter partes review to a patent that issued before the enactment of the AIA violate the Due Process Clause because it retroact… |
| 19-1073 | Enzo Life Sciences, Inc. v. Roche Molecular Systems, Inc., et al. | Federal Circuit | 2020-03-02 | Denied | Response Waived | 35-usc-112 35-usc-282 clear-and-convincing-standard enablement inoperability non-enabled-claims patent-law patent-validity presumption-of-validity statutory-interpretation unpredictability | Whether patent claims that cover a class may be invalidated as non-enabled under 35 U.S.C. § 112 based on a finding of high unpredictability in the ar… |
| 19-445 | Neology, Inc. v. International Trade Commission, et al. | Federal Circuit | 2019-10-03 | Denied | Response Waived | clear-and-convincing-evidence due-process federal-circuit filing-date notice patent patent-claim patent-validity procedural-due-process validity written-description | Whether a patent can be invalidated without notifying the patent owner about the specific invalidity challenge and giving the patent owner an opportun… |
| 19-337 | Regents of the University of Minnesota v. LSI Corporation, et al. | Federal Circuit | 2019-09-12 | Denied | Amici (3) | administrative-proceeding civil-procedure federal-agency federal-circuit inter-partes-review patent patent-validity sovereign-immunity state-university university | Whether the inter partes review proceedings brought by private respondents against the University of Minnesota in this case are barred by sovereign im… |
| 19-211 | Time Warner Cable, Inc., et al. v. Sprint Communications Company, L.P. | Federal Circuit | 2019-08-19 | Denied | Amici (1) | 35-usc-112 35-usc-112a 35-usc-284 apportionment federal-circuit garretson-v-clark patent-claims patent-damages patent-infringement patent-validity reasonable-royalty written-description | Whether the Federal Circuit erred by affirming a damages award based on unapportioned end-user service revenues |
| 19-120 | IBG LLC, et al. v. Trading Technologies International, Inc. | Federal Circuit | 2019-07-25 | Denied | Response Waived | america-invents-act covered-business-method federal-circuit federal-circuit-split patent-eligibility patent-review patent-validity statutory-interpretation technological-invention | Whether a patent that does not satisfy the first prong of § 42.301(b)—that is, that does not recite a novel and non-obvious technological feature—clai… |
| 19-101 | Imperium IP Holdings (Cayman), Ltd. v. Samsung Electronics Co., Ltd., et al. | Federal Circuit | 2019-07-19 | Denied | Amici (2)Response Waived | appellate-review burden-of-proof credibility-determinations credibility-of-witnesses expert-testimony jury-trial jury-trial-rights jury-verdict patent-infringement patent-invalidity patent-validity seventh-amendment standard-of-review | Whether an appellate court may reverse a jury verdict based on its own view that expert testimony was credible, 'unrebutted,' and 'uncontradicted,' or… |
| 18-1114 | TS Patents LLC v. Yahoo! Inc. | Federal Circuit | 2019-02-26 | Denied | Response Waived | 35-usc-101 ashcroft-v-iqbal claim-dismissal federal-circuit novel-improvements novel-invention novel-technical-improvements patent-eligibility patent-eligibility-35-usc-101 patent-infringement patent-presumption patent-validity presumption-of-validity routine-and-conventional rule-12(b)(6) rule-12b6 technical-improvements | Can a court dismiss a patent infringement complaint under Rule 12(b)(6), for a lack of patent eligibility under 35 U.S.C. $101, when the complaint and… |
| 18-692 | Mylan Pharmaceuticals Inc., et al. v. UCB, Inc., et al. | Federal Circuit | 2018-11-27 | Denied | Amici (3)Response Waived | 35-usc-103 double-patenting federal-circuit graham-factors graham-v-john-deere invention-disclosure lead-compound-test obviousness patent-eligibility patent-law patent-law-doctrine-of-double-patenting patent-validity prior-art | Whether a patentee may obtain a second patent on the same invention actually covered by a former patent to the same patentee |
| 18-590 | Cave Consulting Group, LLC v. OptumInsight, Inc. | Federal Circuit | 2018-11-06 | Denied | Response Waived | claim-language claim-scope judicial-construction lexicography-disavowal patent-claim-construction patent-scope patent-specification patent-validity public-notice specification specification-interpretation written-description | May a court construe a patent claim in a way that contradicts its plain and ordinary meaning by relying on statements in the specification that do not… |
| 18-549 | Voter Verified, Inc. v. Election Systems & Software LLC | Federal Circuit | 2018-10-26 | Denied | 35-usc-101 bilski-v-kappos collateral-estoppel declaratory-judgment federal-circuit issue-preclusion method-claims patent-infringement patent-validity res-judicata voting-method | Whether the Federal Circuit erred in deciding that patent claims for a method of voting are invalid under 35 U.S.C. § 101 in a second action for paten… | |
| 18-468 | SSL Services, LLC v. Cisco Systems, Inc. | Federal Circuit | 2018-10-12 | Denied | Amici (1)Response Waived | 35-usc-325(d) administrative-law administrative-procedure estoppel inter-partes-review judicial-review patent-office patent-review patent-validity predictability prior-art statutory-interpretation | Whether courts may review an agency's ruling on the multiple-proceedings rule under 35 U.S.C. § 325(d) |