US PTAB Patent Cases
8,722 decisions indexed
Page 103 of 291 · 8,722 total
Databricks, Inc. v.ByteWeavr, LLC
Databricks petitions the PTAB to review U.S. Patent 8,275,827, asserting that key claims are obvious over prior‑art storage systems (Carter, OceanStore, Gibson) and should be invalidated.
Databricks, Inc. v.ByteWeavr LLC
Databricks has filed a petition to invalidate claims 24‑25 of ByteWeavr’s 7,949,752 patent, arguing obviousness over two older patents (Chow and White). The petition seeks institution of the IPR, citing prior PTAB rulings and Fintiv factor analysis.
Databricks, Inc. v.ByteWeavr LLC
Databricks has filed an IPR petition seeking to invalidate claims 37‑43 of ByteWeavr’s ’733 patent as obvious over Chow, Lee and White. The petition argues that a skilled artisan would combine these references to achieve the claimed agent‑based network functionality.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB decided to institute trial on all challenged claims of the '921 patent, despite preliminary evidence not supporting anticipation over Schaffer. The Board adopted a broad definition of 'filament' but ultimately found that the claim language required flexibility based on intrinsic and extrinsic teachings.
Samsung Electronics Co., Ltd. et al. v.KIWI Intellectual Assets Corporation
Samsung Electronics has filed an IPR petition challenging KIWI’s RE50,307 USB socket patent, asserting that all 93 claims are obvious over prior‑art references such as Andre, Lufan, Yuming, Lee, Yen, Zhenyu and USB 3.0. The petition seeks cancellation of the entire patent.
Citadel Securities LLC v.HFT Solutions, LLC
Citadel Securities petitions the PTAB to invalidate 11 claims of HFT Solutions' FPGA‑PLL synchronization patent, asserting that the invention was already disclosed in Altera’s white paper and related technical manuals, as well as a 2012 academic paper on low‑latency trading.
Microsoft Corporation v.Sandpiper CDN, LLC
The USPTO Director denied Google’s request for review of institution decisions in four IPRs against Sandpiper CDN’s CDN patents. The denial leaves the original institution rulings intact.
Accelight Technologies, Inc. et al. v.Applied Optoelectronics, Inc.
Accelight Technologies petitions the PTAB to invalidate all twelve claims of Applied Optoelectronics' 10,578,818 optical transceiver patent, citing Wang, Koutrokois, and Tsai as anticipatory and obvious prior art.
Accelight Technologies, Inc. et al. v.Applied Optoelectronics, Inc.
Applied Optoelectronics successfully opposed Accelight Technologies’ request for director review, arguing the March 11 memo was inapplicable and that the petition’s grounds were weak. The PTAB upheld the director’s discretionary denial of institution for the IPR.
Microsoft Corporation v.Sandpiper CDN, LLC
Microsoft seeks Director Review of a PTAB institution decision that unusually instituted review of Sandpiper's expired CDN patent. The brief argues the Board misapplied settled‑expectations policy and erred in fact finding.
Accelight Technologies, Inc. et al. v.Applied Optoelectronics, Inc.
Accelight Technologies, a small business, seeks Director Review of a PTAB decision that denied institution of an IPR against Applied Optoelectronics’ optical transceiver patent. The petition emphasizes strong anticipation and obviousness grounds and argues that the patent owner’s conduct and the case’s complexity favor institution.
Terumo BTC, Inc v.Haemonetics Corporation
Terumo BCT has filed a post‑grant review petition challenging all 30 claims of Haemonetics’ plasma‑collection patent, arguing anticipation, obviousness, lack of written description, and patent‑ineligible subject matter. The petition relies on multiple prior‑art references covering blood‑fractionation and calculation methods.
Terumo BTC, Inc v.Haemonetics Corporation
Terumo BCT has filed a corrected PGR petition challenging Haemonetics' plasma‑collection patent (US 12,324,873). The petition alleges anticipation, obviousness, lack of written description, and patent‑ineligible subject matter. The Board must decide whether to institute the review.
Google LLC v.SoundClear Technologies LLC et al.
Google has filed an IPR petition seeking to invalidate claims 1‑7 of SoundClear’s ’675 patent, arguing they are obvious over multiple prior‑art references. The petition outlines seven distinct obviousness grounds and argues against discretionary denial.
Microsoft Corporation v.Sandpiper CDN, LLC
Microsoft has filed an IPR petition challenging Sandpiper CDN’s 8,478,903 patent covering content‑delivery networks, asserting that the claims are obvious over Kenner and other prior art.
Accelight Technologies, Inc. et al. v.Applied Optoelectronics, Inc.
Accelight Technologies has filed an IPR petition seeking to invalidate Applied Optoelectronics’ 9,523,826 patent covering pluggable optical transceiver modules. The petition relies on anticipation by the Mizue patent and obviousness via Li and Liu utility models. The Board has yet to decide whether to institute the review.
Samsung Electronics Co., Ltd. et al. v.Zophonos Inc.
Samsung has filed an IPR petition seeking cancellation of all 20 claims of Zophonos’s ’906 audio‑control patent, asserting obviousness over multiple prior‑art references. The petition details how each claim is taught by combinations of DiCenso641, Smith, Holland, Warren, and Goldstein873.
Samsung Electronics Co., Ltd. et al. v.Zophonos Inc.
Samsung has filed an IPR petition seeking cancellation of 29 claims of Zophonos’ ’736 audio‑control patent, asserting obviousness over multiple prior‑art references.
Microsoft Corporation v.Sandpiper CDN, LLC
The Patent Trial and Appeal Board granted institution for IPR2026-00095, allowing Microsoft Corporation to challenge Sandpiper CDN's patent 8478903.
Apple Inc. v.--
Apple moved to withdraw its IPR against Headwater Research’s U.S. Patent 10,064,055 after the related Texas lawsuit was dismissed. The Board granted the motion, ending the proceeding before institution.
SNAP INC. et al. v.Nokia Technologies Oy
Snap Inc. and Nokia Technologies Oy have settled their IPR dispute over U.S. Patent 11,805,267 and jointly moved to have the settlement agreement treated as confidential business information, limiting public access.
SNAP INC. et al. v.Nokia Technologies Oy
Snap and Hisense have settled their IPR with Nokia over patent 11,805,267. The parties jointly request that the settlement agreement be treated as business confidential information and that the proceeding be terminated as to Hisense.
SNAP INC. et al. v.Nokia Technologies Oy
Hisense USA Corporation and Nokia Technologies Oy have reached a settlement and jointly moved to terminate the inter partes review of Nokia’s U.S. Patent No. 11,805,267. The motion cites statutory authority under 35 U.S.C. § 317 and argues that termination will save resources and promote settlement policy.
SNAP INC. et al. v.Nokia Technologies Oy
Snap Inc. and Hisense settled their disputes with Nokia Technologies, leading the PTAB to terminate the IPRs before institution. The Board granted the parties' joint motions and kept the settlement agreements confidential.
SNAP INC. et al. v.Nokia Technologies Oy
Snap Inc. and Nokia Technologies Oy have filed a joint motion to terminate IPR2025-01375 after reaching a settlement. The parties seek to keep the settlement confidential and end the proceeding under 35 U.S.C. §317.
SNAP INC. et al. v.Nokia Technologies Oy
Snap and Hisense have filed an IPR petition challenging Nokia’s ’267 video‑compression patent, asserting that the claims are obvious in view of prior art such as Wada and the Karczewicz applications. The petition seeks cancellation of all 36 claims.
Apple Inc. v.--
Apple Inc. filed a petition for inter partes review of Headwater Research’s U.S. Patent No. 10,064,055, asserting that all 19 claims are obvious over a combination of prior‑art references. The petition lists six grounds, each mapping specific claims to prior art such as Lundblade, Jobst, Hardjono and others.
MWE Investments, LLC et al. v.Champion Power Equipment, Inc.
MWE Investments and Champion Power Equipment settled their IPR dispute over U.S. Patent 11,530,654 and jointly requested that the settlement agreement be kept confidential, while MWE moved to withdraw from the proceeding.
TOP GLORY TRADING GROUP INC. et al. v.Cole Haan LLC et al.
Exhibit 2002 is the settlement agreement in IPR2025-01392 between Top Glory Trading Group, DP Dream Pairs and Cole Haan, ending the challenge to U.S. Patent 10,327,511 covering footwear design.
TikTok Inc. v.ShopSee, Inc.
This exhibit is a memorandum announcing a new PTAB policy that panels will resolve all raised grounds in final written decisions for IPRs and PGRs without oral hearings, aiming for faster, more efficient outcomes.
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