US PTAB Patent Cases
8,722 decisions indexed
Page 38 of 291 · 8,722 total
Samsung Electronics Co., Ltd. et al. v.Maxell, LTD.
Maxell filed a preliminary sur‑reply opposing Samsung’s IPR petition on U.S. Patent 7,577,417, arguing that ‘mobile terminal’ means a cellular phone and urging the Board to deny institution.
Samsung Electronics Co., Ltd. et al. v.W&Wsens Devices Inc.
Samsung petitions the PTAB to invalidate W&Wsens' 12,243,948 patent covering microstructured photodetectors, asserting obviousness over Kuboi, Vasylyev and Shinohara and lack of enablement.
ToughBuilt Industries, Inc. v.Meridian International Co. Ltd.
ToughBuilt Industries has filed an IPR petition challenging all 16 claims of Meridian International’s ’946 patent covering a stackable storage box with a stop‑part mechanism. The petitioner alleges the invention is anticipated or obvious over multiple prior‑art references, including Li and Baruch. The Board is asked to institute the trial and invalidate the patent.
ToughBuilt Industries, Inc. v.Meridian International Co. Ltd.
ToughBuilt Industries petitions the PTAB to invalidate Meridian International’s ’689 patent covering a stackable storage system, asserting anticipation and obviousness over a suite of prior‑art latch references.
Generac Power Systems, Inc. et al. v.Champion Power Equipment, Inc.
Generac and co‑petitioners seek IPR on Champion’s dual‑fuel generator patent, alleging obviousness and anticipation over DuroMax, DeVries, Nakafushi, Olmr and Fujisawa. They also dispute the patent owner’s claim construction of the selector switch.
Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.
Samsung petitions the PTAB to invalidate Maxell’s ’228 patent covering biometric unlock and communication between a smartwatch and smartphone, asserting that all 22 claims are obvious over prior art. The petition relies on six grounds under 35 U.S.C. § 103, combining Aminzade with Sowers, Soli, Hong, and Altman.
Apple Inc. v.Ginko LLC
Apple has filed an IPR petition challenging 12 claims of Ginko’s U.S. Pat. 11,025,573, asserting obviousness over the Robertson and Ahuja prior‑art references. The petition seeks cancellation of the claims to nullify Ginko’s infringement allegations.
Ciena Corporation v.K.Mizra LLC
Ciena has filed a petition for inter partes review of U.S. Patent 10,735,320, asserting that all 20 claims are obvious over prior‑art MPLS technologies disclosed in Murphy, Taguchi, and Booth. The petition seeks institution of the IPR and cancellation of the claims.
Samsung Electronics Co., Ltd. et al. v.Maxell, LTD.
Samsung Electronics filed an IPR petition seeking cancellation of all seven claims of Maxell’s U.S. Patent 7,577,417, arguing that the claims are obvious over prior‑art clock‑control patents (Belt, Foster, Norris, Alberth) under 35 U.S.C. § 103.
Samsung Electronics Co., Ltd. et al. v.W&Wsens Devices Inc.
The PTAB granted institution for PGR2025-00082 after reviewing discretionary and non-discretionary considerations. The petitioner successfully demonstrated a reasonable likelihood of prevailing or that the challenged claims are unpatentable.
ToughBuilt Industries, Inc. v.Meridian International Co. Ltd.
The USPTO Board granted institution for IPR2025-01462 after a merits review, finding the petitioner met the legal threshold. The notice also detailed multiple discretionary and non-discretionary denials across various proceedings.
ToughBuilt Industries, Inc. v.Meridian International Co. Ltd.
The PTAB granted institution for IPR2025-01461 after determining the petitioner showed a reasonable likelihood of prevailing or that at least one challenged claim was unpatentable.
Apple Inc. v.Ginko LLC
Apple Inc.'s IPR petition against Ginko LLC was denied by the PTAB, as the Board found insufficient evidence that cited prior art disclosed the claimed contact permission settings.
Apple Inc. v.Ginko LLC
The USPTO denied institution for IPR2025-01388 after determining the petitioner lacked a reasonable likelihood of prevailing. The decision is part of a larger notice covering multiple institutional reviews.
Ciena Corporation v.K.Mizra LLC
The PTAB granted institution for IPR2025-01364 after determining the petitioner had a reasonable likelihood of prevailing on at least one claim.
Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.
The USPTO Board denied institution of IPR2025-01313 after a merits review, finding the petitioner failed to show a reasonable likelihood of prevailing.
Samsung Electronics Co., Ltd. et al. v.Maxell, LTD.
The USPTO Board granted institution for IPR2025-01309 and related cases after determining the petitioner had a reasonable likelihood of prevailing. This moves the proceedings forward to trial phase.
Cisco Systems, Inc. v.Dynamic Mesh Networks, Inc.
Dynamic Mesh Networks seeks a discretionary denial of institution for Cisco’s IPR challenging its 2011 mesh‑network patent. The owner argues settled expectations, Fintiv factors, and weak obviousness grounds relying on multiple prior‑art references and extensive expert testimony.
Nokia of America Corporation v.SPADA INNOVATIONS, INC.
Nokia of America has filed an inter partes review petition seeking cancellation of all nine claims of SPADA Innovations' ’142 patent, asserting that the claimed PON‑VRF combination is obvious over prior‑art standards and publications.
Clean Chemistry, Inc. et al. v.Enviro Tech Chemical Services, Inc. et al.
Clean Chemistry has petitioned the PTAB to cancel three claims of Enviro Tech’s peracetic‑acid generation patent, alleging anticipation and obviousness over two prior‑art references. The petition details claim constructions and shows overlapping component ratios with the references.
Clean Chemistry, Inc. et al. v.Enviro Tech Chemical Services, Inc. et al.
Clean Chemistry petitions the PTAB to invalidate three claims of Enviro Tech’s peracetic‑acid patent, alleging anticipation and obviousness over several prior‑art references. The petition seeks cancellation of claims 1‑3 under §§ 102 and 103.
Liberty Energy Services LLC et al. v.U.S. WELL SERVICES, LLC et al.
Liberty Energy has petitioned the PTAB to institute an IPR against U.S. Well Services' ’801 patent covering a mobile hydraulic fracturing power system. The petition asserts that all 20 claims are obvious over combinations of existing power‑distribution references and seeks cancellation of the claims.
Cisco Systems, Inc. v.Dynamic Mesh Networks, Inc.
Cisco Systems filed an IPR petition seeking cancellation of claims 1‑7 and 9‑13 of Dynamic Mesh Networks' U.S. Patent 7,885,243, asserting that the claims are obvious over a combination of prior‑art mesh networking references.
Nokia of America Corporation v.SPADA INNOVATIONS, INC.
The USPTO Board denied institution for several Inter Partes Review proceedings, including IPR2025-01442, citing failure to show a reasonable likelihood of prevailing.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung and its Micron affiliates successfully invalidated all 20 claims of Netlist’s ’160 memory‑package patent in an IPR, finding the claims obvious over prior art references Kim, Rajan, and Wyman.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung and its co‑petitioners proved all 34 claims of Netlist’s ’060 memory‑package patent were obvious over a combination of prior‑art references, rendering the claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB found the majority of Netlist’s ’907 memory‑module patent claims obvious over the Ellsberry reference and related standards, cancelling 63 of 65 challenged claims while leaving claims 40‑41 intact.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that claims 18‑23, 39‑44, and 56‑60 of Netlist’s ’537 patent are obvious over the Amidi and Klein references, rendering all 17 challenged claims unpatentable. The decision follows an institution on the same claims and denies the patent owner’s motions.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung Electronics files an authorized response opposing Netlist’s request for Director Review of the PTAB’s institution of Netlist’s high‑bandwidth memory patent. Samsung argues the Director has already rejected Netlist’s real‑party‑in‑interest arguments and that Netlist waived its Fintiv arguments, supporting denial of the review.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Netlist requests the PTAB Director reverse the institution of a PGR against its ’087 patent, arguing Samsung failed to name Samsung Electronics America as a real party in interest. The filing also highlights duplication with parallel ITC proceedings involving Google and Super Micro.
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