US PTAB IP Litigation
8,722 annotated decisions
Page 14 of 364 · 8,722 total
patent · Nov 25, 2025
Eoptolink Technology USA Inc. et al. v.Applied Optoelectronics, Inc.
· IPR2026-00122
Eoptolink has filed an IPR petition seeking cancellation of claims 1‑9 and 15‑19 of Applied Optoelectronics’ ’890 patent, asserting anticipation and obviousness based on Takashi, Sato, and Ho references. The petition emphasizes that the claimed TOSA features were known in the industry prior to filing.
patent · Nov 25, 2025
Sarepta Therapeutics, Inc. et al. v.Genzyme Corporation et al.
· IPR2026-00149
Sarepta has petitioned the PTAB to invalidate Genzyme’s ’326 patent on AAV analytical ultracentrifugation, asserting that the claimed methods are obvious in view of earlier publications by Le Bec and de la Maza, supported by Cole and Sommer.
patent · Nov 25, 2025
Target Corporation v.HEADWATER RESEARCH LLC
· IPR2026-00153
Target Corporation has filed an IPR against HEADWATER RESEARCH LLC’s U.S. Patent 10,321,320 covering a wireless network buffered messaging system. The petition asserts that all 18 claims are obvious over the 3GPP MMS standard and related prior art. The request seeks cancellation of the entire patent.
patent · Nov 24, 2025
Ascendis Pharma A/S et al. v.BioMarin Pharmaceutical Inc.
· PGR2026-00013
Ascendis Pharma has filed a PGR petition seeking cancellation of BioMarin’s U.S. Patent 12,331,106 covering CNP‑variant treatments for achondroplasia. The petition alleges obviousness, anticipation, lack of enablement, and an improper dependent claim. The Board must decide whether to institute the review.
patent · Nov 24, 2025
Google LLC v.Sonos, Inc.
· IPR2026-00131
Google has filed an IPR petition seeking to invalidate Sonos’s multi‑speaker audio patent, arguing that the claims are obvious over existing Bluetooth speaker technologies. The petition requests institution of the review and cancellation of all challenged claims.
patent · Nov 22, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00148
Amazon has filed an IPR petition challenging Smart Speaker's ’590 patent covering smart‑meter appliances. The petition alleges obviousness over multiple prior‑art references for all 62 claims. The Board has not yet ruled on the petition.
patent · Nov 21, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00145
A notice of decisions on institution was issued, denying several IPRs and granting others, while the status of Amazon's IPR against Smart Speaker remains pending.
patent · Nov 21, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00147
A USPTO notice details institution decisions for several IPRs, leaving the status of Amazon’s challenge to Smart Speaker’s patent unresolved.
patent · Nov 21, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00146
The document lists PTAB institution decisions for multiple IPRs, but does not provide a decision for IPR2026-00146.
patent · Nov 21, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00145
Amazon has filed an IPR petition challenging all 29 claims of Smart Speaker’s ’710 patent covering server‑based voice control of smart‑home devices. The petition alleges obviousness over multiple prior‑art references and seeks cancellation of the claims.
patent · Nov 21, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00146
Amazon has filed an IPR petition challenging all 29 claims of Smart Speaker’s ’706 patent, asserting that the claims are obvious over multiple prior‑art references. The petition argues the examiner failed to consider obviousness, while the patent owner maintains the invention’s novelty.
patent · Nov 21, 2025
Amazon.com Services LLC v.Smart Speaker LLC
· IPR2026-00147
Amazon has filed an IPR petition challenging all 29 claims of Smart Speaker's ’174 smart‑home patent, asserting obviousness over multiple prior‑art references. The petition argues the examiner failed to consider key prior art and that the claims recite routine home‑automation functions.
patent · Nov 21, 2025
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00143
Apple has filed an IPR petition seeking to invalidate all 25 claims of IngenioSpec’s ’599 patent covering wireless audio eyeglasses, arguing the claims are obvious over several prior‑art patents and lack a valid priority date.
patent · Nov 21, 2025
Taiwan Semiconductor Manufacturing Company Ltd. et al. v.MYW Semitech, LLC
· IPR2026-00066
TSMC and Apple have filed an IPR petition challenging MYW Semitech’s 11,538,763 chip‑package patent, asserting that all 23 claims are obvious over multiple prior‑art references. The petition seeks to invalidate the patent before the PTAB.
patent · Nov 21, 2025
Taiwan Semiconductor Manufacturing Company Ltd. et al. v.MYW Semitech, LLC
· IPR2026-00067
TSMC and Apple have filed an IPR petition challenging 27 claims of MYW Semitech’s chip‑package patent. The petition alleges obviousness over several prior‑art references covering interposer and bump technologies.
patent · Nov 21, 2025
Bird Buddy, Inc. v.Perkins, Frederick
· IPR2026-00141
Bird Buddy files an IPR petition challenging six claims of its ‘242 smart bird‑feeder patent, asserting that all claim elements are disclosed in earlier bird‑feeder and electronics references.
patent · Nov 21, 2025
Taiwan Semiconductor Manufacturing Company Ltd. et al. v.MYW Semitech, LLC
· IPR2026-00065
TSMC and Apple have filed an IPR petition challenging U.S. Patent 11,107,768, asserting that all 28 claims are obvious over multiple prior‑art references covering chip‑package technology.
patent · Nov 21, 2025
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00142
Apple has filed an IPR petition challenging all 47 claims of IngenioSpec’s ’104 patent covering hands‑free audio messaging. The petition alleges obviousness over multiple prior‑art references and seeks cancellation of the entire patent.
patent · Nov 21, 2025
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00144
Apple has filed a petition for IPR of IngenioSpec’s U.S. Patent 8,582,789 covering a hearing‑enhancement system, seeking cancellation of all 76 challenged claims as obvious over Anderson and other prior‑art patents.
patent · Nov 21, 2025
Cisco Systems, Inc. v.Dynamic Mesh Networks, Inc. d/b/a MeshDynamics
· IPR2026-00127
Cisco has filed an IPR petition seeking cancellation of 20 claims of MeshDynamics' ’762 VoIP mesh‑network patent, alleging obviousness over four prior‑art references. The petition includes claim constructions and requests the Board to institute review.
patent · Nov 20, 2025
Samsung Electronics Co., Ltd. et al. v.Network-1 Technologies, Inc.
· IPR2026-00117
Network‑1’s eUICC security patent (U.S. 12,166,869) faces a petition from Samsung. The patent owner argues the references either teach away or lack the required cryptographic linkage, urging the PTAB to deny institution.
patent · Nov 20, 2025
Samsung Electronics Co., Ltd. et al. v.Network-1 Technologies, Inc.
· IPR2026-00117
Samsung has filed an IPR petition seeking cancellation of all 20 claims of Network‑1’s eUICC security patent, alleging obviousness over a combination of prior‑art references covering secure profile provisioning and IMSI encryption.
patent · Nov 19, 2025
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
· IPR2026-00133
Westinghouse (Wabtec) petitions the PTAB to invalidate Railware’s 9,517,782 patent covering a railway block‑release system, arguing the claims are obvious over public FRA reports and several secret‑code patents.
patent · Nov 19, 2025
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
· IPR2026-00134
Wabtec has filed an IPR petition challenging Railware’s RE 47835 patent covering railway block‑and‑unblock code systems. The petition asserts obviousness over the FRA‑Report and several secret‑code references.
