US PTAB IP Litigation
8,574 annotated decisions
Page 157 of 358 · 8,574 total
patent
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00452
Comcast has filed a Director Review Request challenging the PTAB’s denial of institution in IPR2024-00452, asserting the Board misapplied KSR precedent and case law on motivation and bodily incorporation. The petition references Intel decisions and a related institution ruling on another patent.
patent all challenged claims unpatentable
Micron Technology, Inc. et al. v.Netlist, Inc.
· IPR2024-00370
Samsung and Micron successfully challenged Netlist’s ’506 patent, leading the PTAB to find all 20 claims unpatentable as obvious over prior‑art memory‑module techniques.
patent denied
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00445
Comcast filed a Director Review request challenging the USPTO’s denial of institution for its cable‑modem patent. The petitioner asserts the Board misapplied obviousness analysis by examining references in isolation and seeks clarification on third‑party amicus participation.
patent
Cytek Biosciences, Inc. v.Beckman Coulter, Inc. et al.
· PGR2025-00084
Cytek Biosciences petitions the PTAB to invalidate Beckman Coulter’s 2024 flow‑cytometer patent, asserting obviousness over prior‑art WDM designs and lack of written description and enablement for key claim elements such as a “curved mirror” and “semiconductor detector.”
patent
Milwaukee Electric Tool Corporation v.Klein Tools, Inc.
· PGR2025-00080
Milwaukee Electric Tool Corp. filed a PGR petition challenging four claims of Klein Tools' safety‑helmet patent, asserting lack of written description, added matter, obviousness over multiple helmet references, and anticipation by Klein's 2019 news release.
patent
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00438
Comcast challenges the PTAB’s finding that its TV channel‑selection patent is unpatentable, filing a Director Review Request alleging the Board ignored prior Office findings on the same technology. The Patent Owner seeks reversal of the decision under the Director’s 2025 memorandum.
patent denied
Texas Instruments Incorporated v.Greenthread, LLC
· IPR2024-00672
The USPTO denied Texas Instruments' request for Director Review of the PTAB's final written decisions in three related IPRs involving Greenthread's semiconductor patent. The denial leaves the PTAB's rulings intact.
patent denied
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00445
The USPTO denied Comcast's request for Director review of the institution denial in IPR2024-00445, keeping the earlier decision that the patent was not instituted.
patent terminated or settled
TransCore, LP v.Hand Held Products, Inc.
· IPR2024-00443
TransCore and Hand Held Products settled their IPR dispute over patents 8,141,784; 8,919,654; and 10,452,968, leading the PTAB to terminate the proceedings before a trial was instituted.
patent denied
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00438
The Board denied Comcast’s request for Director Review of the Final Written Decision in the IPR concerning Entropic Communications’ patent 11,399,206. The denial applies to three related IPRs filed by the same parties.
patent
Terumo BCT, Inc. v.Haemonetics Corporation
· PGR2025-00078
Terumo BCT seeks to invalidate Haemonetics’ plasma‑collection patent (U.S. 12,171,916) by arguing all 22 claims are obvious, lack written description, and are abstract calculations. The petition requests cancellation of the entire patent.
patent denied
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00435
The PTAB denied Comcast's request for Director Review of the Final Written Decision in IPR2024-00435 concerning patent 11,381,866. The order also applies to two related IPRs.
patent
Comcast Corporation et al. v.Entropic Communications LLC
· IPR2024-00445
Comcast filed a Director Review request after the PTAB denied institution of its IPR challenging Entropic’s cable‑modem patent. The petition asserts the Board erred by analyzing each prior‑art reference in isolation instead of as the combinations with Thibeault. The request seeks reversal and institution of the IPR.
patent mixed - some claims cancelled, some upheld
Micron Technology, Inc. et al. v.Netlist, Inc.
· IPR2024-00370
The PTAB held claims 1, 10‑13, and 21 of Netlist’s ’035 memory‑module patent unpatentable as obvious over Osanai and Tokuhiro, while claims 2, 6, and 22 remained valid.
patent
Samsung Electronics Co., Ltd. et al. v.XiFi Networks R&D, Inc.
· PGR2025-00067
Samsung has filed a Post‑Grant Review petition challenging XiFi’s U.S. Patent 12,190,198 covering multi‑transceiver Wi‑Fi 7 bandwidth allocation. The petition asserts obviousness, patent‑ineligible abstract idea, lack of written description, and indefiniteness. The PTAB has yet to act on the petition.
patent
Gilgamesh Pharmaceuticals, Inc. et al. v.Enveric Biosciences Canada, Inc.
· PGR2025-00076
Gilgamesh Pharmaceuticals has petitioned the PTAB to invalidate Enveric Biosciences' 2024 patent covering halogenated psilocybin derivatives, asserting anticipation, obviousness, and lack of enablement for all 26 claims.
patent
Conjupro Biotherapeutics, Inc. et al. v.Ascletis Pharma China Co. Ltd.
· PGR2025-00057
Conjupro Biotherapeutics has filed a PGR petition seeking to invalidate Ascletis’s U.S. 12,234,236 patent covering small‑molecule GLP‑1R agonists. The petition argues obviousness over multiple prior‑art references and challenges the examiner’s narrow allowance. The Board must decide whether to institute the review.
patent terminated or settled
Mito Red Light, Inc. v.Joovv, Inc.
· IPR2024-00621
Mito Red Light and Joovv have settled their IPR dispute over patent 11253719, filing a joint motion to terminate the proceeding.
patent denied
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
· IPR2024-00677
The USPTO Director denied Cisco’s request for review of the PTAB’s Final Written Decision in IPR2024-00677 and related cases. The order confirms that no Director Review will be granted.
patent denied
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
· IPR2024-00675
The USPTO denied Cisco’s request for Director Review of the final written decisions in multiple IPRs, including the case involving patent 7,523,484. The denial leaves the patent owner’s rights intact.
patent denied
ADC Solutions Auto LLC et al. v.The Noco Company
· IPR2024-00671
The USPTO denied ADC Solutions Auto LLC's petitions for Director Review of the Final Written Decisions in two IPRs involving The Noco Company's patents, leaving the original decisions intact.
patent
ITM Isotope Technologies Munich SE v.The Johns Hopkins University et al.
· PGR2025-00065
ITM Isotope Technologies challenges Johns Hopkins’ U.S. Patent 12,115,233, arguing that its FAP‑α imaging claims are obvious, lack enablement, are indefinite, and double‑patented. The petition seeks institution of the PGR and cancellation of claims 1‑4.
patent denied
ADC Solutions Auto LLC et al. v.The Noco Company
· IPR2024-00671
ADC Solutions Auto LLC challenges The NOCO Company's jump‑starter patent, arguing the Board correctly found the claims obvious over standard USB‑charging prior art. NOCO’s request for Director Review is opposed and expected to be denied.
patent terminated or settled
TransCore LP v.Hand Held Products, Inc.
· IPR2024-00391
TransCore and Hand Held Products entered a settlement that resolved all disputes over three patents. The parties jointly moved to terminate the IPRs, and the Board granted the termination and kept the settlement confidential.
