US PTAB IP Litigation
8,574 annotated decisions
Page 300 of 358 · 8,574 total
patent instituted
Padagis US LLC et al. v.Neurelis, Inc.
· IPR2025-00465
Padagis US LLC successfully challenged claims 1-18 of Neurelis, Inc.'s patent under grounds of obviousness (103) and lack of written description (102). The Board found a reasonable likelihood that the invention is unpatentable, based on combining prior art references Gwozdz and Meezan.
patent instituted
Padagis US LLC et al. v.Neurelis, Inc.
· IPR2025-00464
Padagis US LLC successfully petitioned to challenge Neurelis, Inc.'s nasal drug formulations patent (8895546) under 35 U.S.C. § 103. The PTAB institution decision allows Padagis to proceed with the unpatentability arguments against all 22 claims.
patent denied
LifeVac, LLC v.DCStar Inc.
· IPR2025-00454
LifeVac, LLC's IPR petition against DCStar Inc. was denied by the PTAB after the Board found insufficient evidence of unpatentability. The decision hinged on a prior art challenge regarding an inventor-originated public disclosure (IDEAR) that predated one key reference.
patent denied
Wiz, Inc. v.Orca Security Ltd.
· IPR2025-00442
The PTAB denied Wiz, Inc.'s request to institute an IPR against Orca Security Ltd., because the patent owner had statutorily disclaimed all challenged claims.
patent instituted
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
· IPR2025-00438
The PTAB instituted an IPR trial, finding a reasonable likelihood of unpatentability for the petitioner, Shenzhen Tuozhu Technology Co., Ltd., against Stratasys, Inc. The grounds centered on 35 U.S.C. § 102 and § 103 regarding data tag-based automation in 3D printing.
patent denied
Wiz, Inc. v.Orca Security Ltd.
· IPR2025-00441
The PTAB denied Wiz, Inc.'s IPR petition against Orca Security Ltd. because the Patent Owner had disclaimed all challenged claims prior to institution.
patent instituted
Charles River Laboratories, Inc. v.Seikagaku Corporation
· IPR2025-00440
Charles River Laboratories successfully petitioned to institute IPR against Seikagaku Corporation's patent (11236318) based on grounds of lack of written description and obviousness. The Board found sufficient evidence at this preliminary stage, allowing the challenge to proceed into full litigation.
patent instituted
Cambridge Industries USA Inc. et al. v.Applied Optoelectronics, Inc.
· IPR2025-00437
The PTAB granted institution of IPR for Cambridge Industries against Applied Optoelectronics over a patent covering optical isolator arrays, focusing on anticipation and obviousness grounds.
patent denied
Cambridge Industries USA Inc. et al. v.Applied Optoelectronics, Inc.
· IPR2025-00434
The PTAB denied institution of an IPR challenge against Applied Optoelectronics Inc.'s patent, finding that the petitioner failed to demonstrate a reasonable likelihood of prevailing on anticipation grounds (35 U.S.C. § 102). The Board specifically rejected arguments based on prior art references Shen and Soldano regarding optical receiving devices.
patent denied
Cambridge Industries USA Inc. et al. v.Applied Optoelectronics, Inc.
· IPR2025-00436
The PTAB denied institution of IPR for Cambridge Industries against Applied Optoelectronics' optical patent (10313024), finding the Petitioner failed to show a reasonable likelihood of success based on prior art references Mizobuchi and Akashi.
patent instituted
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
· IPR2025-00431
The PTAB institution decision found that the challenged claims related to lithium-ion battery electrolytes were obvious over various combinations of prior art references. The Petitioner successfully argued that a Person of Ordinary Skill in the Art would be motivated to combine elements from Zeng, Sunose, and Matsuoka to achieve improved performance. This ruling advances the scope of obviousness findings in advanced energy storage technology.
patent instituted
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
· IPR2025-00432
Zhuhai CosMX Battery Co., Ltd. successfully demonstrated a reasonable likelihood of success in its IPR against Ningde Amperex Technology Ltd.'s patent, focusing on obviousness under 35 U.S.C. § 103. The Board found that the petitioner adequately showed Murakami discloses key features and that combinations with Beard and Akiike were motivated and predictable.
patent instituted
Meta Platforms, Inc. v.Sterling Computers Corporation
· IPR2025-00430
Meta Platforms successfully challenged Sterling Computers Corporation's patent for content relevance techniques in a PTAB IPR. The Board found that the patent was obvious over prior art (Rose and Bieganski) and adopted Petitioner’s claim constructions, leading to an institution decision.
patent instituted
PacifiCorp et al. v.MES, Inc.
· IPR2025-00425
The Board instituted the IPR petition against Patent No. 10589225, finding a reasonable likelihood of prevailing on multiple grounds. The institution decision addressed complex issues regarding real party in interest and written description support for genus claims related to flue gas treatment.
patent
PacifiCorp et al. v.MES, Inc.
· IPR2025-00425
The PTAB Director remanded multiple IPRs to the Board, requiring resolution of RPI and privity issues based on a prior ruling limiting parallel challenges.
patent
PacifiCorp et al. v.MES, Inc.
· IPR2025-00425
The Director denied a patent owner's request for review, remanding the IPR to allow discovery on RPI and privity issues related to time-bar defenses. This allows Petitioners to proceed with institution.
patent instituted
PacifiCorp et al. v.MES, Inc.
· IPR2025-00424
The PTAB granted institution for an IPR challenging claims related to mercury removal from flue gas using activated carbon sorbents. The Board found the Petitioner met a reasonable likelihood of prevailing standard, despite disputes over prior art reduction to practice.
patent
PacifiCorp et al. v.MES, Inc.
· IPR2025-00424
The Director issued an order supplementing a review decision, limiting the number of parallel IPRs challenging four patents to one per patent.
patent
PacifiCorp et al. v.MES, Inc.
· IPR2025-00424
The Director denied a patent owner's request for review, remanding the IPR to allow discovery on RPI and privity issues related to time-bar defenses. The proceeding involves PacifiCorp et al. challenging Birchtech Corp.'s patents.
patent instituted
Berkshire Hathaway Energy Company et al. v.MES, Inc.
· IPR2025-00423
Berkshire Hathaway Energy et al. successfully petitioned to institute IPR against Birchtech Corp.'s patent (10668430) covering mercury removal from flue gas. The Board found Petitioners established a reasonable likelihood of prevailing on grounds of obviousness and anticipation.
patent
Berkshire Hathaway Energy Company et al. v.MES, Inc.
· IPR2025-00423
The Director reviewed multiple IPRs challenging several patents and issued an Order supplementing a prior remand. The key issue addressed is the permissibility of multiple petitions challenging the same patent.
patent denied
Berkshire Hathaway Energy Company et al. v.MES, Inc.
· IPR2025-00423
The PTAB denied the Patent Owner's request for Director Review, remanding the cases to allow discovery on RPI and privity issues related to time-bar defenses in IPR2025-00423.
patent
Berkshire Hathaway Energy Company et al. v.MES, Inc.
· IPR2025-00422
The Director reviewed multiple IPRs against Birchtech's patents, instructing the Board to consolidate parallel proceedings into a single petition per patent if RPI requirements are met.
patent instituted
Berkshire Hathaway Energy Company et al. v.MES, Inc.
· IPR2025-00422
The PTAB institution decision found a reasonable likelihood of prevailing for the Petitioners regarding claims covering flue gas pollutant removal. The Board addressed both anticipation and obviousness grounds, concluding that the combination of prior art references was sufficiently motivated to render the asserted claims unpatentable.
