US PTAB IP Litigation
8,722 annotated decisions
Page 5 of 364 · 8,722 total
patent · Feb 13, 2026
Apple Inc. v.WeCrevention, Inc.
· IPR2026-00242
Apple has filed an IPR petition challenging nine claims of WeCrevention’s DRAM patent, alleging anticipation and obviousness based on multiple prior‑art references that disclose low‑voltage operation and embedded display‑port use.
patent · Feb 13, 2026
Apple Inc. v.WeCrevention, Inc.
· IPR2026-00241
Apple has filed an IPR petition challenging WeCrevention’s DRAM patent (U.S. 10,998,017), asserting that claims 1‑2 are anticipated or obvious over multiple prior‑art DRAM disclosures and that the input/output unit is a §112(f) means‑plus‑function term.
patent · Feb 13, 2026
Apple Inc. v.WeCrevention, Inc.
· IPR2026-00243
Apple has filed a petition for inter‑partes review of WeCrevention’s DRAM patent (U.S. 12,154,652), seeking to invalidate claims 1‑6 on anticipation and obviousness grounds using multiple prior‑art references.
patent · Feb 13, 2026
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
· IPR2026-00261
TSMC has filed an IPR petition seeking to invalidate all 11 claims of Marlin’s 2011 metal‑gate transistor patent, asserting anticipation and obviousness over multiple prior‑art references. The petition requests institution and cancellation of the claims.
patent · Feb 13, 2026
Apple Inc. v.WeCrevention, Inc.
· IPR2026-00239
Apple has filed an IPR petition seeking to invalidate all 31 claims of WeCrevention’s high‑speed memory chip patent. The petition argues that each claim is obvious over a combination of prior‑art references covering memory modules, ASIC controllers, and 3‑D stacking techniques.
patent · Feb 13, 2026
Apple Inc. v.WeCrevention, Inc.
· IPR2026-00240
Court decision.
patent · Feb 13, 2026
Samsung Electronics, Co., Ltd. et al. v.TVnGo Ltd.
· IPR2026-00214
Samsung has filed an IPR petition seeking cancellation of 19 claims of TVnGo’s RE50,399 patent, asserting anticipation and obviousness over multiple interactive‑TV references. The petition requests that all challenged claims be found unpatentable.
patent · Feb 13, 2026
Samsung Electronics, Co., Ltd. et al. v.TVnGo Ltd.
· IPR2026-00213
Samsung has filed an IPR petition seeking cancellation of TVnGo’s RE50328 interactive‑TV patent, asserting anticipation and obviousness over multiple prior‑art references. The petition challenges 19 claims covering overlay graphics and TV‑Internet integration.
patent · Feb 12, 2026
Merck Sharp & Dohme LLC v.Surrozen Operating, Inc. et al.
· PGR2026-00027
Merck has filed a post‑grant review petition challenging U.S. Patent 12,297,278 covering broad tetravalent Wnt‑surrogate antibodies. The petition asserts lack of written description, enablement, indefiniteness, and anticipation by the Garcia publication.
patent · Feb 11, 2026
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00253
Apple has filed an IPR petition against IngenioSpec’s ’901 patent covering smart eyeglasses, asserting that all 59 claims are obvious over multiple prior‑art references and requesting cancellation of the entire patent.
patent · Feb 10, 2026
Bicara Therapeutics, Inc. v.The John Hopkins University et al.
· PGR2026-00025
Bicara Therapeutics has filed a PTAB Post‑Grant Review petition seeking cancellation of all nine claims of Johns Hopkins' 2025 antibody‑fusion protein patent, alleging lack of written description, lack of enablement, and improper claim dependency.
patent · Feb 9, 2026
Dolby Laboratories, Inc. et al. v.InterDigital Madison Patent Holdings, SAS et al.
· IPR2026-00252
Dolby Laboratories has filed an IPR petition challenging U.S. Patent 9,185,268, which covers methods for color correcting display content. The petition asserts that the claims are obvious over a combination of prior‑art references and requests the Board to institute the review.
patent · Feb 4, 2026
Biocon Biologics Limited et al. v.--
· PGR2026-00039
Biocon has filed a PGR petition seeking to invalidate all 38 claims of Regeneron’s ‘036 anti‑VEGF eye‑treatment patent, alleging obviousness over prior art and lack of written description.
patent · Feb 4, 2026
Viant Technology LLC et al. v.--
· IPR2026-00330
Viant, Mediaocean and AppLovin have filed an IPR petition challenging claims 1‑34 of U.S. Patent 11,949,962, asserting that the combination of two prior publications makes the claims obvious under 35 U.S.C. § 103.
patent · Feb 3, 2026
Medtronic, Inc. v.Moskowitz Family LLC
· IPR2026-00285
Medtronic has filed an IPR petition seeking to invalidate claims of U.S. Patent 10,603,183 covering spinal intervertebral cage devices. The challenger alleges obviousness over prior art references Moskowitz 440, Waugh, and Michelson 019 and argues a priority-chain error that renders the references prior art under §102(b).
patent · Feb 1, 2026
Resmed Corp. v.Fractus, S.A.
· IPR2026-00191
Resmed has filed a petition to cancel all 20 claims of Fractus’s ’677 antenna patent, alleging lack of novelty, obviousness, and insufficient written description for 4G standards. The petition relies on prior‑art references Dou, Ciais‑Quadband, Nakano, and Baliarda‑543.
patent · Jan 30, 2026
Klein Tools, Inc. et al. v.Milwaukee Electric Tool Corporation
· IPR2026-00246
Klein Tools has filed an IPR petition seeking cancellation of 15 claims of U.S. Patent 11,857,064 covering a belt‑mounted tool pouch. The challenger alleges anticipation by Albrecht and obviousness over combinations of Albrecht, Gabriel, and Glock, and requests the Board to institute the review.
patent · Jan 29, 2026
Google LLC v.Clear Imaging Research LLC
· IPR2026-00181
Google petitions the PTAB to invalidate Clear Imaging’s 32‑claim video‑stabilization patent, alleging obviousness over four prior‑art references and arguing claim‑term constructions. The petition seeks cancellation of all claims.
patent · Jan 26, 2026
SAMSUNG ELECTRONICS CO., LTD. et al. v.AQ Corporation
· IPR2026-00234
Samsung Electronics has filed an IPR petition challenging AQ Corporation’s U.S. Patent 11,728,564 covering a smartphone antenna module. The petition asserts that all 22 claims are obvious over multiple prior‑art references and seeks cancellation of the claims.
patent · Jan 26, 2026
SAMSUNG ELECTRONICS CO., LTD. et al. v.AQ Corporation
· IPR2026-00234
Samsung has filed an IPR petition challenging AQ Corp's ’564 smartphone antenna patent, asserting that all 22 claims are obvious over multiple prior‑art references covering dual‑side coil layouts, NFC, MST and wireless charging. The petition seeks cancellation of claims 1‑20 under 35 U.S.C. §311.
patent · Jan 26, 2026
Samsung Electronics Co., Ltd. et al. v.AQ Corporation
· IPR2026-00232
Samsung has filed an IPR petition challenging AQ Corp’s U.S. Patent 11,495,875 covering a smartphone antenna module. The petition asserts that all 20 claims are obvious in view of multiple prior‑art references teaching dual‑sided coil layouts, via connections, and parallel circuitry.
patent · Jan 26, 2026
Merck Sharp & Dohme LLC v.Pogona, LLC
· IPR2026-00221
Merck has filed an IPR petition challenging all 19 claims of U.S. Patent 11,058,757, alleging that the pneumococcal vaccine claims are anticipated or obvious in view of Porro, Mekalanos, and Siber. The petition argues examiner error and seeks cancellation of the claims.
patent · Jan 26, 2026
Beatbot Technology (USA) Co. Ltd. et al. v.Zodiac Pool Systems LLC
· IPR2026-00201
Beatbot Technology has filed an IPR petition challenging Zodiac Pool Systems' 11,880,207 patent covering autonomous pool cleaning robots. The petition alleges obviousness over several prior‑art references and seeks cancellation of fifteen claims.
patent · Jan 26, 2026
Klein Tools, Inc. et al. v.Milwaukee Electric Tool Corporation
· IPR2026-00233
Klein Tools has filed an IPR petition challenging Milwaukee Electric’s 2023 tape‑measure patent, asserting anticipation and obviousness over earlier tape‑measure patents. The petition seeks cancellation of all 12 claims.
