US PTAB Patent Cases
5,620 decisions indexed
Page 15 of 188 · 5,620 total
Foleon Inc. et al. v.TURTL SURF & IMMERSE LIMITED
Foleon has filed an IPR petition seeking cancellation of 18 claims of Turtl’s ’290 patent covering modular document generation, arguing the claims are obvious over multiple prior‑art references and that discretionary denial is unwarranted.
Samsung Electronics Co., Ltd. et al. v.Kannuu Pty. Ltd.
The PTAB granted institution for IPR2026-00071, allowing Samsung Electronics to challenge Kannuu's patent 11573939.
Terumo BCT, Inc. v.Haemonetics Corporation
Terumo BCT has filed an IPR petition challenging all 30 claims of Haemonetics’ plasma‑collection patent, arguing they are obvious over the Lavender and Fletcher‑Haynes systems (and Min for a subset). The petition relies on detailed algorithmic comparisons and cites §103 unpatentability.
Samsara, Inc. v.Motive Technologies, Inc.
Samsara has filed an IPR petition seeking to invalidate Motive's camera‑calibration patent (US 12,136,276). The petition alleges obviousness over multiple prior‑art references covering similar autonomous‑vehicle imaging and calibration techniques. It requests the Board to institute the review and cancel the claims.
Samsara, Inc. v.Motive Technologies, Inc.
The PTAB denied institution of an IPR proceeding (IPR2026-00034) involving Samsara, Inc. and Motive Technologies, Inc., finding the petitioner failed to meet the standard for likelihood of prevailing.
Micron Technology, Inc. et al. v.Palisade Technologies, LLP
Micron filed an unopposed motion to dismiss its inter partes review of Palisade’s U.S. Patent No. 8,148,962 before the Board had decided whether to institute the case. The motion relies on the Board’s discretion to terminate early‑stage proceedings and cites prior PTAB decisions granting similar dismissals.
Voltage, LLC et al. v.Shoals Technologies Group, LLC et al.
Voltage, LLC has filed an IPR petition challenging 11 claims of Shoals Technologies' solar connector patent, asserting obviousness over Machida combined with Solon or Kim and Sakatani. The petition adopts claim constructions from a related ITC case and seeks institution of the review.
Ontel Products Corporation et al. v.Happy Products, Inc.
Ontel Products has petitioned the PTAB to invalidate Happy Products' RE’479 tablet‑pillow patent, asserting obviousness over six prior‑art references covering similar multi‑angle media supports.
Micron Technology, Inc. et al. v.Palisade Technologies, LLP
Micron has filed an IPR petition seeking cancellation of 12 claims of Palisade’s ’962 voltage‑regulator patent, asserting obviousness over the Scott patent and over Scott combined with Gradinariu. The petition details extensive claim‑by‑claim comparisons to the prior art.
NVIDIA Corporation v.Onesta IP, LLC
NVIDIA has filed an IPR petition challenging the validity of Onesta IP's U.S. Patent 11,841,803.
Micron Technology, Inc. et al. v.Palisade Technologies, LLP
Micron filed an unopposed motion to dismiss its IPR before the Board institutes trial, arguing the proceeding is at an early stage and resources are minimal. The Board has historically granted such pre‑institution dismissals.
Google LLC v.Sonos, Inc.
Google has filed an IPR petition seeking cancellation of nine Sonos claims covering multi‑zone audio control, arguing they are obvious over prior‑art references such as Geiwitz, Van Hulle, Aiso, and Allen.
Micron Technology, Inc. et al. v.Palisade Technologies, LLP
Micron has filed an IPR petition seeking cancellation of 12 claims of Palisade’s U.S. Patent 9,524,974 covering NAND flash memory structures, alleging obviousness over four prior‑art references. The petition outlines six grounds targeting all challenged claims.
Apple Inc. et al. v.HEADWATER RESEARCH LLC
Apple seeks dismissal as a co‑petitioner in an IPR over Headwater Research’s location‑service patent after the related Texas lawsuit was thrown out. The motion relies on procedural rules and lack of opposition from the patent owner.
Apple Inc. et al. v.HEADWATER RESEARCH LLC
The PTAB denied Samsung, Google and other petitioners' request for Director Review of the Final Written Decision in IPR2024-00341, leaving the original decision in place.
Micron Technology, Inc. et al. v.Palisade Technologies, LLP
Micron filed an unopposed motion to dismiss its IPR of U.S. Pat. No. 8,996,838 before the Board decided on institution, arguing that the proceeding was at an early stage and dismissal would conserve resources. The Board is expected to grant the motion, terminating the review.
Sandisk Technologies, Inc. et al. v.Longitude Flash Memory Solutions Ltd. et al.
Sandisk and Longitude jointly request the PTAB keep their settlement confidential and move to terminate the IPR over U.S. Patent 9,929,240.
Sandisk Technologies, Inc. et al. v.Longitude Flash Memory Solutions Ltd. et al.
Sandisk and Longitude Flash Memory Solutions settled their IPRs (IPR2025-01281 and IPR2025-01283) before institution. The Board granted the joint motion to terminate, dismissing the petitions and keeping the settlement agreement confidential.
Sandisk Technologies, Inc. et al. v.Longitude Flash Memory Solutions Ltd. et al.
SanDisk and Longitude Flash jointly moved to dismiss an IPR over U.S. Patent 9,929,240 covering NAND flash memory after settling their dispute. The Board has not yet instituted the review, and the parties seek termination under statutory settlement provisions.
Micron Technology, Inc. et al. v.Palisade Technologies, LLP
Micron has filed an IPR petition seeking cancellation of ten claims of Palisade’s 3D NAND patent. The petition asserts obviousness over three prior‑art references—Oh, Oh ’738, and Tokiwa—both singly and in combination. It requests that the Board institute the review and invalidate the claims.
Google LLC v.Sonos, Inc.
Google has filed an IPR petition against Sonos’s 11,080,001 patent covering multi-room audio synchronization, asserting that the claims are obvious over several prior‑art references. The petition seeks institution of the review and argues against discretionary denial.
Apple Inc. et al. v.HEADWATER RESEARCH LLC
Apple, Amazon.com Services and AWS have filed an IPR petition seeking to invalidate 30 claims of Headwater Research’s ’571 patent covering secure device provisioning over wireless networks. They argue the claims are obvious over prior‑art systems from Chia, Cunningham and others.
Sandisk Technologies, Inc. et al. v.Longitude Flash Memory Solutions Ltd. et al.
Sandisk has filed a petition to institute an IPR against Longitude Flash’s 2018 SONOS memory patent, seeking cancellation of 15 claims on obviousness grounds. The petition relies on Lee ’255, Lee ’961, Fujiwara, and Hwang as prior art.
WHOOP, Inc. v.Omni MedSci, Inc.
In a Final Written Decision, the PTAB held that WHOOP proved 12 of the 23 challenged claims of Omni MedSci’s wearable physiological‑monitoring patent unpatentable, while the remaining claims were left intact.
WHOOP, Inc. v.Omni MedSci, Inc.
Apple’s IPR against Omni MedSci’s wearable physiological monitoring patent resulted in the Board finding all challenged claims unpatentable as obvious over Lisogurski, Carlson, and Mannheimer references.
WHOOP, Inc. v.Omni MedSci, Inc.
The PTAB, on remand, affirmed that all 23 claims of Omni MedSci’s wearable pulse‑oximeter patent are unpatentable. The Board relied on obviousness over a combination of prior‑art references and upheld the claim construction of “identify an object.”
Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.
Maxell’s preliminary response urges the PTAB to deny Samsung’s IPR petition, arguing that the prior art does not disclose key claim limitations and that Samsung’s inconsistent claim constructions violate Board rules.
Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.
Samsung’s IPR petition challenges Maxell’s 12,160,681 patent covering a wireless video transmitter that manages EDID information. The petitioner’s expert argues that the claims are anticipated or obvious in view of Funabiki, Guo, Fastert, and the E‑DDC Standard. No evidence of secondary considerations is presented.
WHOOP, Inc. v.Omni MedSci, Inc.
WHOOP has filed a Post‑Grant Review petition seeking cancellation of claim 7 of Omni MedSci’s ’790 wearable sensor patent. The petition alleges obviousness over Lisogurski combined with Carlson, Lamego, or Soller, and raises indefiniteness and lack of enablement under § 112. It also invokes collateral estoppel based on prior IPR findings.
Google LLC v.Sonos, Inc.
Google has filed an IPR petition seeking to invalidate Sonos’s 2018 ‘715 patent on audio‑synchronization claims, arguing obviousness over multiple prior‑art references and opposing discretionary denial.
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