US PTAB IP Litigation
8,574 annotated decisions
Page 169 of 358 · 8,574 total
patent
Visa, Inc. v.Cortex MCP, Inc.
· IPR2024-00486
Visa submits an authorized response urging the PTAB to deny Cortex MCP’s Director Review request, asserting that the request raises new, unraised arguments about the timing of verification in the Oborne prior art. Visa maintains that the Board’s obviousness finding is well‑supported and procedurally sound.
patent
Visa, Inc. v.Cortex MCP, Inc.
· IPR2024-00486
Cortex MCP seeks Director Review of the PTAB’s Final Written Decision that cancelled 29 claims of its token‑payment patent. The owner contends the Board invented a new obviousness theory not raised in Visa’s petitions, violating procedural rules.
patent
OneSource Solutions International, Inc. et al. v.Hippocratic AI, Inc.
· PGR2025-00075
OSSI Corporation filed a motion to correct procedural defects in its petition against Hippocratic AI's patent, seeking Board approval to submit a compliant filing.
patent
Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.
· PGR2025-00021
Micron has filed a post‑grant review petition against Yangtze Memory’s 3D NAND ‘838 patent, asserting that 15 claims are obvious over prior art such as Kim and Lee. The petition seeks institution and cancellation of the challenged claims.
patent
Cimbra SRL et al. v.3U Vision SRL
· PGR2024-00018
Cimbria SRL, backed by AGCO, has filed a PGR petition challenging all 15 claims of 3U Vision’s automated sorting‑machine patent, asserting indefiniteness and obviousness over a suite of prior‑art references. The petition seeks cancellation of the claims.
patent
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00331
Apple has filed an IPR petition challenging 92 claims of IngenioSpec’s ’355 patent covering wearable audio devices. The petition argues the claims are obvious over six prior‑art references and seeks cancellation of all challenged claims.
patent
Therabody, Inc. v.Hyperice IP Subco, LLC et al.
· PGR2025-00013
Therabody has filed a PTAB post‑grant review petition challenging Hyperice’s percussive massage patent, asserting lack of written description, indefiniteness, and obviousness over multiple prior‑art references.
patent
Merck Sharp & Dohme LLC v.Halozyme, Inc. et al.
· IPR2026-00312
Merck challenges Halozyme’s PH20 enzyme patent, asserting that a 2013 publication anticipates all 18 claims and that the specification lacks written description and enablement. The petition seeks inter partes review under § 102 and § 112(a).
patent terminated or settled
Tempur Sealy International, Inc. et al. v.Purple Innovation, LLC
· IPR2024-00482
Tempur Sealy and Purple Innovation reached a confidential settlement, leading the PTAB to dismiss the IPR before it was instituted.
patent
Microsoft Corporation v.ToutVirtual, Inc.
· IPR2026-00296
Microsoft petitions the PTAB to invalidate ToutVirtual’s virtual‑systems‑management patent, asserting anticipation and obviousness over multiple prior‑art references and a lack of priority for half the claims.
patent
Merck Sharp & Dohme LLC v.Halozyme, Inc. et al.
· IPR2026-00313
Merck Sharp & Dohme LLC has filed an IPR petition challenging Halozyme’s U.S. Patent 11,041,149 covering engineered PH20 hyaluronidase proteins. The petition alleges lack of written description, enablement, and anticipates all claims under prior art US‑275.
patent
Merck Sharp & Dohme LLC v.Halozyme, Inc. et al.
· IPR2026-00314
Merck has filed an IPR petition challenging Halozyme’s ’656 patent covering engineered PH20 hyaluronidase proteins. The petition asserts lack of written description and enablement and that US‑275 anticipates all claims.
patent
Samsung Electronics Co., Ltd. et al. v.Oura Health Oy et al.
· PGR2024-00038
Samsung has filed a PGR petition seeking cancellation of 16 claims of Oura’s wearable smart‑ring patent, arguing obviousness over Sun and Kruse references and indefiniteness of claim 6. The petition also requests that the Board not deny institution under the FINTIV provision.
patent
Google LLC et al. v.SoftView LLC
· IPR2026-00282
Google has filed an IPR petition seeking to invalidate claims 1‑22 of SoftView’s ’729 patent, alleging they are obvious over prior‑art handheld browsers (Zaurus, Pad++) and SVG standards, with claim 21 also relying on SVF. The petition invokes estoppel and issue preclusion based on earlier PTAB findings for related patents.
patent
Microsoft Corporation v.ToutVirtual, Inc.
· IPR2026-00295
Microsoft files an IPR petition challenging ToutVirtual’s 2023 ‘Virtual Systems Management’ patent, asserting that all 14 claims are obvious over a suite of prior‑art virtualization references.
patent
Google LLC v.AccuSearch Technologies LLC
· IPR2026-00288
Google has filed an IPR petition seeking cancellation of all 22 claims of AccuSearch’s ’184 patent, arguing they are obvious over multiple prior‑art references. The petition lists eight §103 grounds covering the full claim set.
patent
Google LLC et al. v.SoftView LLC
· IPR2026-00281
Google has filed an IPR petition seeking cancellation of claims 1‑35 of SoftView’s ’154 patent, asserting obviousness over Zaurus, Pad++, SVG and SVF prior art and arguing that the claims are patentably indistinct from already invalidated claims in related patents.
patent
Google LLC v.AccuSearch Technologies LLC
· IPR2026-00287
Google filed an IPR petition seeking cancellation of all 26 claims of AccuSearch’s search‑result annotation patent, asserting obviousness over multiple prior‑art references. The petition maps each claim group to combinations of Bates, Bhagat, Naick, Brinson, Mehta, Wang and Mills. The Board is asked to institute the review and invalidate the patent.
patent
Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.
· IPR2024-00513
Aylo Freesites filed a Director Review request after the PTAB denied institution of its IPR against DISH Technologies’ patent. The petitioner alleges the board misapplied General Plastic analysis and Fintiv factors. The case remains pending director review.
patent
Fifth Third Bank, National Association v.United Services Automobile Association
· IPR2026-00279
Fifth Third Bank has filed a petition to have the PTAB institute an IPR against USAA’s 12,159,310 patent covering mobile check‑deposit methods, asserting that all 16 claims are obvious over a body of prior art.
patent
Google LLC et al. v.SoftView LLC
· IPR2026-00283
Google has filed an IPR petition seeking to invalidate claims 1‑37 of SoftView’s ’628 patent, asserting obviousness over Zaurus, Pad++, and SVG references and arguing the claims are indistinct from already invalidated claims in related patents.
patent
Good Sportsman Marketing, LLC v.--
· PGR2024-00034
Good Sportsman Marketing petitions the PTAB to invalidate claims 1‑19 of the ’855 patent, arguing obviousness over Unger and Smith, indefiniteness of several claims, and lack of enablement and written description for claim 10.
patent
Amazon.com Services LLC et al. v.Smart Speaker LLC
· IPR2026-00280
Amazon has filed an IPR petition challenging 27 claims of Smart Speaker’s ’720 patent, asserting obviousness over a suite of prior‑art references covering microphones, WLAN, speakers, and lighting. The petition highlights a deficient examiner search and seeks cancellation of all challenged claims.
patent denied
CISCO SYSTEMS, INC. v.UMBRA TECHNOLOGIES LTD.
· IPR2024-00497
The PTAB denied Cisco's request for Director Review of the Final Written Decision in IPR2024-00497 concerning Umbra's patent 10,630,505.
