US PTAB Patent Cases
8,574 decisions indexed
Page 41 of 286 · 8,574 total
Berkshire Hathaway Energy Company et al. v.MES, Inc.
Berkshire Hathaway Energy and affiliates seek PTAB Director review to block an IPR on their mercury‑control patent, arguing the Board’s institution is inefficient and its privity analysis is legally flawed.
Google LLC et al. v.Mullen Industries LLC
Samsung Display’s IPR petition against Mullen Industries’ 8,314,547 B2 patent was denied. The Board found insufficient merit and exercised discretion under § 314(a), leaving the patent intact.
Google LLC et al. v.Mullen Industries LLC
Google seeks rehearing of the PTAB’s discretionary denial of an IPR against Mullen’s 2022 wireless‑location patent, arguing the Board misapplied settled‑expectations and Fintiv factors and retroactively changed guidance on Sotera stipulations.
Kangxi Communications Technologies (Shanghai) Co., Ltd. v.Skyworks Solutions, Inc.
Kangxi Communications seeks Director Review of the PTAB’s discretionary denial to institute an IPR against Skyworks’ RF front‑end patent, arguing that retroactive policy changes violated due process. The petition focuses on the withdrawal of prior‑art defenses in a parallel ITC case and the newly‑created “settled expectations” doctrine.
iRhythm, Inc. v.Welch Allyn, Inc. et al.
iRhythm challenges the USPTO’s discretionary denial of its five IPR petitions, arguing the new “settled expectations” rule is retroactive and conflicts with Board precedent. The petition seeks vacatur of the denial and institution of the IPRs.
Samsung Electronics Co., Ltd. et al. v.Molecular Rebar Design, LLC
Samsung’s IPR challenge to U.S. Patent 8,968,924, covering lithium‑ion battery compositions with discrete carbon nanotubes, was rejected. The Board found no obviousness for any of the five challenged claims, leaving the patent intact.
AT&T Services, Inc. et al. v.Adaptive Spectrum and Signal Alignment, Inc.
Nokia and ASSIA have settled their dispute over a DSL‑related patent and jointly moved to terminate the inter partes review. The motion cites statutory authority to end the proceeding before any merits are decided and requests confidentiality for the settlement agreement.
LG Electronics, Inc. et al. v.Maxell, LTD.
LG Electronics and Maxell have reached a settlement in IPR2025-00444 and jointly moved to terminate the proceeding, requesting that the settlement be treated as business confidential information under statutory authority.
MOTORTECH GmbH et al. v.--
MotorTech and Altronic have settled their dispute, prompting an unopposed motion to terminate the pending IPR on patent 7,401,603. The Board is asked to end the proceeding under 35 U.S.C. § 317.
LG Electronics Inc. et al. v.Maxell, LTD.
LG Electronics and Maxell have reached a settlement and jointly filed a motion to have the settlement agreement treated as business confidential information, seeking to terminate IPR2025-00393.
Berkshire Hathaway Energy Company et al. v.MES, Inc.
Berkshire Hathaway Energy and its affiliates settled an IPR against BirchTech, leading the Board to terminate the proceeding for two petitioners while keeping the case open for the remaining parties. The settlement agreement was treated as business‑confidential information.
LG Electronics Inc. et al. v.Maxell, LTD.
LG Electronics and Maxell have reached a settlement and jointly moved to terminate IPR2025-00394 concerning U.S. Patent No. 10,199,072. The motion cites statutory authority under 35 U.S.C. §317(a) and argues that termination serves public‑policy interests.
MOTORTECH GmbH et al. v.--
MOTORTECH filed an unopposed motion asking the PTAB to treat its settlement with Altronic as business‑confidential information and keep it separate from the IPR record. The motion cites 35 U.S.C. § 317(b) and seeks limited access to the settlement documents.
Kangxi Communications Technologies (Shanghai) Co., Ltd. v.Skyworks Solutions, Inc.
Skyworks seeks affirmation of the PTAB Director's denial of institution for an IPR filed by Kangxi over a wireless front‑end patent. The Patent Owner emphasizes the six Fintib factors and its settled expectations of validity to argue against institution.
Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company
Samsung has submitted Director Review requests for three IPRs challenging Cerence’s patent. The PTAB has limited the patent owner’s response to a 15‑page brief with no new evidence.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
The Patent Owner seeks Director review to overturn the Board’s decision instituting an IPR against its battery‑electrolyte patent. It contends that the Petition forfeited challenges to claims 20‑26 and that ten of the raised grounds are fatally flawed, making institution an inefficient use of resources.
Ericsson Inc et al. v.HEADWATER PARTNERS II LLC
Ericsson and Nokia settled their IPR with Headwater Partners over patent 9,413,502, leading the Board to terminate the proceeding.
iRhythm, Inc. v.Welch Allyn, Inc. et al.
iRhythm has filed a Request for Director Review challenging the USPTO’s discretionary denial of five IPR petitions, arguing the new ‘settled expectations’ rule was applied retroactively and violates precedent. The petitioner contends the rule would burden the PTAB and harm patent quality.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
Zhuhai CosMX Battery challenges Ningde Amperex Technology’s battery electrolyte patent in IPR2025‑00405. The petitioner argues the Board correctly instituted the IPR and that the Patent Owner’s request for discretionary denial should be denied. Prior art references disclose the claimed electrolyte components.
C.R. Bard, Inc. et al. v.Medline Industries, LP
C.R. Bard’s IPR challenge to Medline Industries’ patent 11,661,220 was terminated after the parties settled before trial. The Board granted the joint motion to terminate and kept the settlement agreement confidential.
Samsung Electronics Co., Ltd. et al. v.Molecular Rebar Design, LLC
Samsung successfully challenged all 16 claims of Molecular Rebar Design’s ’282 patent covering carbon‑nanotube binders for batteries. The Board found the claims obvious over prior art and adopted a construction that “discrete” does not require non‑attachment.
PacifiCorp et al. v.MES, Inc.
PacifiCorp and Birchtech Corp have settled their dispute over U.S. Patent 10,589,225 and jointly moved to terminate the inter partes review involving WEC Energy Group. The motion cites settlement, lack of a merits decision, and public‑policy benefits.
Amazon.com et al. v.NL Giken Inc.
Amazon and NL Giken settled their inter partes review dispute before trial, leading the PTAB to terminate the proceeding and keep the settlement confidential.
iRhythm, Inc. v.Welch Allyn, Inc. et al.
The PTAB Director denied institution of iRhythm's IPR against Welch Allyn's cardiac monitor patent. The patent owner’s response argues the denial was proper, citing lack of evidence and procedural compliance.
Kangxi Communications Technologies (Shanghai) Co., Ltd. v.Skyworks Solutions, Inc.
Kangxi Communications seeks Director Review of the PTAB’s discretionary denial to institute an IPR against Skyworks’ RF front‑end patent, alleging due‑process violations from retroactive policy changes. The petition contends that the Board improperly applied new Fintiv and “settled expectations” doctrines, and that the withdrawal of prior‑art defenses from a parallel ITC case should not trigger denial.
Dabico Airport Solutions Inc. et al. v.AXA POWER APS et al.
Dabico Airport Solutions has petitioned the PTAB Director to overturn a denial of institution for its IPR against AXA POWER APS’s ‘169 patent. The petitioner argues the Director improperly applied a new “settled expectations” discretionary denial standard without notice. The request seeks vacatur of the decision or additional briefing.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
The PTAB Director has issued a review request for IPR2025-00438, directing the petitioner to file a concise response limited to the raised issues and prohibiting new evidence.
Eunsung Global Corp. v.HydraFacial LLC et al.
Eunsung Global and HydraFacial jointly filed a motion asking the PTAB to keep their settlement agreement confidential and separate from the patent file, invoking 35 U.S.C. § 317. The request emphasizes protection of settlement amounts and private banking information.
Cambridge Industries USA Inc. et al. v.Applied Optoelectronics, Inc.
The USPTO denied Cambridge Industries' request for Director Review of the institution denial in IPR2025-00433, leaving the original denial in place.
Mercedes-Benz Group AG et al. v.Phelan Group, LLC
Mercedes‑Benz and Phelan Group settled their IPR dispute over U.S. Patent No. 9,045,101, leading the PTAB to terminate the proceeding and keep the settlement confidential.
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