US PTAB Patent Cases
8,722 decisions indexed
Page 139 of 291 · 8,722 total
KLIPSTA PTY LTD v.Albanese, Lindsay
The PTAB instituted IPR proceedings against U.S. Patent No. 10,413,047 for a hat holder system. The Board found that the petition demonstrated a reasonable likelihood of prevailing on unpatentability grounds, including anticipation by KR ’458.
Microsoft Corporation et al. v.X1 Discovery, Inc.
Microsoft Corporation successfully petitioned for institution in an IPR against X1 Discovery's patent on Information Retrieval/Search Indexing. The Board found a reasonable likelihood of prevailing under § 103, specifically regarding the combination of prior art references (Wilcox, Londergan, Raskin, Wu).
Advanced Micro Devices, Inc. et al. v.XtreamEdge, Inc. et al.
Advanced Micro Devices (AMD) successfully petitioned to institute IPR proceedings against XtreamEdge regarding a PLD patent, demonstrating a reasonable likelihood of prevailing on key claims. The Board found that the combination of prior art references Seshadri and Biederman provided sufficient grounds for challenge under 35 U.S.C. § 103.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Shenzhen Tuozhu Technology seeks PTAB institution of an IPR against Stratasys’s 3D‑printer patent, arguing the Board properly weighed Fintiv factors and that broad stipulations prevent duplicate litigation. The Patent Owner contests, but the petitioner emphasizes efficiency and fairness.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
The USPTO Director denied petitions to review institution decisions in three IPRs involving Stratasys's 3D‑printing patent, leaving the institution rulings intact.
Tessell, Inc. v.Nutanix, Inc.
Nutanix filed a response defending the PTAB Director’s denial of institution in an IPR against Tessell. The owner contends the Director properly exercised discretion, that assignor estoppel does not apply, and that no right to institution exists.
Tessell, Inc. v.Nutanix, Inc.
Tessell, Inc. petitions the PTAB Director to overturn a denial of institution for its IPR against Nutanix, arguing the Director misapplied assignor estoppel under 35 U.S.C. §314(a). The brief cites Federal Circuit precedent that assignor estoppel cannot block IPRs.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Stratasys seeks Director review to overturn a PTAB decision that instituted an IPR challenging 16 claims of its 3D‑printing patent. The owner argues the Panel misapplied the Fintiv factors and over‑relied on stipulations, violating recent USPTO guidance.
Tessell, Inc. v.Nutanix, Inc.
Tessell, Inc. filed a fee transmittal to request Director Review of the institution decision in IPR2025-00322 concerning Nutanix’s patent 11,010,336. The filing includes payment of $452 and asserts small and micro entity status.
Tessell, Inc. v.Nutanix, Inc.
The PTAB denied Tessell’s request for Director Review of the earlier decision that denied institution of the IPR against Nutanix’s patent. The denial leaves the institution decision unchanged.
Tessell, Inc. v.Nutanix, Inc.
Tessell has filed an IPR petition seeking cancellation of claims 1‑23 of Nutanix’s U.S. Patent 11,010,336, arguing obviousness over prior‑art database‑provisioning UIs and hyperconverged infrastructure. The petition also argues that the Board lacks discretionary grounds to deny institution.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Shenzhen Tuozhu Technology has filed an IPR petition challenging 16 claims of Stratasys’s networked 3‑D‑printing patent, asserting obviousness over multiple prior‑art combinations and arguing against discretionary denial under the Fintiv precedent.
GOOGLE LLC v.EscapeX IP LLC
Google has filed an IPR petition seeking cancellation of all 24 claims of EscapeX’s ’687 patent covering social‑media engagement monetization. The petition argues obviousness over multiple prior‑art references and meets the statutory threshold for institution.
GOOGLE LLC v.EscapeX IP LLC
Google successfully secured institution of IPR against EscapeX IP over a social networking patent, challenging 24 claims based on obviousness.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
The PTAB institution decision found Petitioner's arguments of obviousness under 35 U.S.C. § 103 sufficiently meritorious to proceed. The Board specifically noted that Claim 1 was likely unpatentable over Mazumder and Mori, adopting the petitioner’s definition of ordinary skill in the art.
GOOGLE LLC v.EscapeX IP LLC
Google LLC successfully invalidated EscapeX IP LLC's patent (10474687) in the PTAB, finding all 24 claims obvious under 35 U.S.C. § 103. The Board relied on combinations of prior art references like Fuloria and Andler to demonstrate that the claimed content engagement systems were predictable advancements in social networking technology.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Stratasys seeks Director Review to overturn the PTAB panel’s decision instituting inter partes review of eight claims of its 3‑D‑printer patent. The owner argues the panel misapplied the Fintiv factors and ignored the Guidance Memorandum, warranting a denial of institution under § 314(a).
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Shenzhen Tuozhu Technology seeks institution of its IPR against Stratasys’s 3D‑printer patent, arguing the Board correctly applied the Fintiv factors and that its broad stipulations block further invalidity attacks. The petitioner urges the Board to reject a discretionary denial and proceed with the review.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
The USPTO Director denied petitions for review of institution decisions in three IPRs challenging Stratasys patents, including U.S. Patent 9,421,713. The denial leaves the institution decisions standing.
ASUSTek Computer Inc. v.VideoLabs, Inc.
ASUS moves to withdraw its IPR petition after a settlement in related Roku proceedings renders the challenge moot.
Amazon.com, Inc. et al. v.NL Giken Inc.
Amazon and NL Giken settled their IPR dispute over U.S. Patent 8,094,236 before trial, leading the PTAB to terminate the proceeding.
ASUSTek Computer Inc. v.VideoLabs, Inc.
Court decision.
ASUSTek Computer Inc. v.VideoLabs, Inc.
ASUS filed a motion to withdraw its IPR petition against VideoLabs' patent after related Roku IPRs were settled, rendering its joinder motions moot. The Board will decide on the withdrawal request.
Amazon.com, Inc. et al. v.NL Giken Inc.
Amazon and its affiliates jointly moved to terminate IPR2025-00250 after reaching a confidential settlement with patent holder NL Giken over U.S. Patent 8,094,236. The motion argues that termination is appropriate given the early stage of the proceeding and public policy favoring settlement.
Phison Electronics Corporation v.Vervain, LLC
The PTAB denied Phison's request for post‑grant review of claims 1‑6 of U.S. Patent 11,854,612, finding the petitioner failed to show any claim was likely unpatentable.
Phison Electronics Corporation v.Vervain, LLC
The PTAB denied Phison Electronics’ petition for post‑grant review of Vervain’s NAND‑flash patent, finding the challenger failed to meet the ‘more likely than not’ burden. The Board upheld the patent’s claims across all seven challenged claims.
LG ELECTRONICS, INC. et al. v.Multimedia Technologies Pte. Ltd.
LG Electronics petitions the PTAB to invalidate claims 1‑12 of U.S. Patent 9,578,384, arguing they are obvious over a combination of the Kim smart‑TV disclosure and publicly available Netflix UI videos, plus the Hunt and Hunleth patents. Two grounds are asserted under 35 U.S.C. §103(a). The petition also argues discretionary denial is inappropriate.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Shenzhen Tuozhu Technology has petitioned an IPR against Stratasys' 3‑D‑printing patent covering purge‑tower printing, asserting obviousness and anticipation over multiple prior‑art references. The petition argues that the Board should institute the review and that discretionary denial is unwarranted.
ASUSTek Computer Inc. v.VideoLabs, Inc.
ASUS has filed an IPR petition challenging VideoLabs' U.S. Patent 8,291,236 covering conditional‑access and DRM bridging. The petition asserts anticipation and obviousness over three prior‑art patents and seeks institution of the review.
ASUSTek Computer Inc. v.VideoLabs, Inc.
ASUSTek seeks an IPR to invalidate VideoLabs' 8,291,236 patent covering conditional access and DRM bridging, arguing the claims are anticipated or obvious over prior art such as the Russ, Robert, and Eskicioglu patents.
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