Industry Sector

Computer systems — US PTAB Patent Cases

49 decisions indexed

Page 1 of 2 · 49 total

patent denied · Oct 31, 2025

Apple Inc. v.HBCU Messaging US LP

· IPR2026-00107

Apple’s petition to invalidate a patent was denied by the PTAB because it failed to show a reasonable likelihood of success on any of the 14 challenged claims. The Board found the obviousness arguments lacked the required particularity and rationale.

patent denied · Oct 31, 2025

Apple Inc. v.HBCU Messaging US LP

· IPR2026-00104

The PTAB denied Apple’s inter partes review petition against a load‑balancing patent, finding the obviousness arguments over Chow, Reiffin, and Kurowski insufficiently particularized. No claims were instituted or found unpatentable.

patent denied · Oct 31, 2025

Apple Inc. v.HBCU MESSAGING US LP

· IPR2026-00105

American Airlines and Southwest Airlines sought to invalidate a load‑balancing patent, alleging obviousness over three prior‑art references. The PTAB found the petition lacked the required particularity and denied institution of the IPR.

patent · Oct 14, 2025

FedEx Corporation et al. v.VALTRUS INNOVATIONS LTD.

· IPR2026-00060

FedEx has filed an IPR petition challenging all 18 claims of Valtrus Innovations' clustered‑computing licensing patent, arguing obviousness over Sparks and Bram references.

patent denied · Oct 4, 2025

American Airlines, Inc. et al. v.Intellectual Ventures I LLC

· IPR2025-00785

The PTAB denied institution for American Airlines and Southwest Airlines against Intellectual Ventures I LLC, finding the petitioner failed to meet the 'reasonable likelihood' standard under 35 U.S.C. § 314(a). The Board specifically rejected the obviousness arguments concerning partitioning and descriptions limitations based on prior art references Chow, Reiffin, and Kurowski.

patent instituted · Jul 3, 2025

Advanced Micro Devices, Inc. et al. v.Concurrent Ventures, LLC et al.

· IPR2025-00478

The PTAB institution decision found that Advanced Micro Devices and Pensando Systems demonstrated a reasonable likelihood of prevailing on multiple grounds under 35 U.S.C. § 103. The dispute concerns task scheduling and processing element synchronization in computer systems, involving combinations of prior art references like Dongare and Gewirtz.

patent all challenged claims unpatentable · Jun 13, 2025

Google LLC v.Valtrus Innovations Limited et al.

· IPR2025-01157

The PTAB held that Google’s challenge to Valtrus’s 7,748,005 patent succeeded, finding all twenty claims unpatentable for lack of written‑description support and obviousness over the McCarthy application and Gien micro‑kernel reference.

patent · May 16, 2025

Oracle Corporation v.VirtaMove, Corp.

· IPR2025-00982

Oracle has filed an IPR petition seeking cancellation of claims 1‑18 of VirtaMove’s ’058 patent, arguing obviousness over Elnozahy and Draves and a lack of written‑description support. The petition also challenges any discretionary denial, noting parallel filings by Google and Microsoft.

patent · May 16, 2025

Oracle Corporation v.VirtaMove, Corp.

· IPR2025-00964

Oracle has filed an IPR petition seeking cancellation of all 34 claims of VirtaMove’s 2009 ’814 patent on the ground of obviousness over Blaser, Calder and Schmidt prior art. The petition argues that each claim element is taught by the prior art and that discretionary denial is unwarranted.

patent · May 16, 2025

Oracle Corporation v.VirtaMove, Corp.

· IPR2025-00966

Oracle has filed an IPR petition seeking cancellation of 17 claims of VirtaMove’s ’058 patent covering shared‑library implementations. The petition relies on prior‑art references that allegedly anticipate every claim element.

patent denied · Apr 30, 2025

American Airlines, Inc. et al. v.Intellectual Ventures II LLC

· IPR2025-00931

American Airlines and Southwest Airlines failed to convince the PTAB that Intellectual Ventures' claims regarding distributed OS image management were unpatentable. The Board denied institution, finding the petitioner did not meet the reasonable likelihood standard against combinations of prior art references.

patent instituted · Apr 29, 2025

Intel Corporation et al. v.Advanced Cluster Systems, Inc.

· IPR2025-00916

Intel Corporation et al. successfully petitioned the PTAB to institute an IPR against Advanced Cluster Systems, Inc.'s patent (11811582). The Board found a reasonable likelihood of prevailing on obviousness grounds over prior art including Menon and Trefethen in the field of cluster computing.

patent instituted · Apr 29, 2025

Intel Corporation et al. v.Advanced Cluster Systems, Inc.

· IPR2025-00914

Intel Corporation and Advanced Micro Devices challenged the patentability of Advanced Cluster Systems' cluster computing patents before the PTAB. The Board issued an institution decision, finding sufficient evidence that the claims are obvious over prior art references like Menon and Trefethen. This moves the dispute toward a full trial on obviousness grounds.

patent · Apr 18, 2025

Microsoft Corp. v.VirtaMove, Corp.

· IPR2025-00853

Microsoft has filed a petition to invalidate 18 claims of VirtaMove’s ’058 patent, alleging obviousness over the Callender patent. The petition argues that Callender is prior art under §102(e) and renders the claims unpatentable under §103.

patent · Apr 18, 2025

Microsoft Corp. v.VirtaMove, Corp.

· IPR2025-00850

Microsoft has filed an IPR petition seeking cancellation of all 34 claims of VirtaMove’s 7,519,814 patent, alleging obviousness over four prior‑art references. The petition argues that the Board should institute review and that discretionary denial is unwarranted.

patent · Apr 18, 2025

Microsoft Corp. v.VirtaMove, Corp.

· IPR2025-00855

Microsoft has filed an IPR petition challenging claims 1‑18 of VirtaMove’s ’058 patent, arguing obviousness over Elnozahy and Draves and lack of written‑description support. The petition seeks institution and cancellation of the claims.

patent denied · Apr 11, 2025

Apple Inc. v.HBCU Messaging US LP

· IPR2026-00109

American Airlines and Southwest Airlines sought to invalidate a load‑balancing patent, but the PTAB denied institution, finding the obviousness arguments insufficiently specific. The petition relied on Chow, Reiffin, and Kurowski references, which the Board said did not adequately teach the claimed features.

patent · Jan 31, 2025

Google LLC v.VirtaMove, Corp.

· IPR2025-00489

Google has filed an IPR petition seeking cancellation of all 18 claims of VirtaMove’s ’058 patent, arguing that the claims are obvious over the Callender patent and that discretionary denial is unwarranted.

patent · Jan 31, 2025

Google LLC v.VirtaMove, Corp.

· IPR2025-00490

Google has filed an IPR petition seeking cancellation of claims 1‑18 of VirtaMove’s ’058 patent, arguing the claims are obvious over the Elnozahy and Draves references and lack written‑description support. The petition also argues that discretionary denial is unwarranted.

patent · Jan 30, 2025

Amazon.com, Inc. et al. v.VirtaMove, Corp.

· IPR2025-00561

Amazon seeks IPR cancellation of VirtaMove’s 7,784,058 patent, asserting that shared‑library implementations disclosed in early‑2000s papers render all challenged claims obvious under 35 U.S.C. §103.

patent denied · Dec 23, 2024

Tesla, Inc. v.Intellectual Ventures II LLC

· IPR2025-00341

The PTAB denied Tesla's IPR against Intellectual Ventures II over patent 7,181,743. The Board found that the prior art did not teach or suggest the specific 'event correlation capabilities' required by the challenged claims.

patent instituted · Dec 23, 2024

Twitch Interactive, Inc. et al. v.Razdog Holdings LLC

· IPR2025-00308

Twitch Interactive successfully challenged a patent claim in the PTAB, demonstrating a reasonable likelihood of prevailing on obviousness grounds. The Board adopted Petitioner's narrow construction of 'real time,' favoring transmission upon availability without significant delay over strict human-perception timing.

patent instituted · Dec 23, 2024

Twitch Interactive, Inc. et al. v.Razdog Holdings LLC

· IPR2025-00307

Twitch Interactive successfully secured institution of its § 103 IPR challenge against Razdog Holdings LLC's patent. The Board adopted the Petitioner's interpretation of 'real time,' allowing the case to proceed to trial on all claims.

patent · Dec 13, 2024

Tessell, Inc. v.Nutanix, Inc.

· IPR2025-00298

Tessell, Inc. seeks rehearing of the Director’s decision to deny institution of its IPR against Nutanix, arguing the Director misapplied assignor estoppel contrary to 35 U.S.C. §311(a) and Federal Circuit precedent. The petition asks the Board to reverse the denial and reinstate the institution order.

patent instituted · Dec 13, 2024

Arm Ltd et al. v.DAEDALUS PRIME LLC

· IPR2025-00207

Arm Ltd et al. successfully convinced the PTAB to institute an IPR against DAEDALUS PRIME LLC's patent, challenging claims based on obviousness over multiple prior art references. The Board accepted that a reasonable likelihood of prevailing existed on at least one claim challenge, moving the case into the merits phase.

patent denied · Oct 24, 2024

Amazon.com, Inc. et al. v.B.S.D. Crown, Ltd.

· IPR2025-00057

Amazon's request for Director Review regarding the institution denial of patent 8934887 was denied. Although the Board misapprehended one figure, the Panel upheld the conjunctive claim construction based on the full intrinsic record.

patent instituted · Oct 17, 2024

Google LLC et al. v.Multifold International Incorporated Pte. Ltd.

· IPR2025-00061

Google and Motorola Mobility successfully had their patentability challenge instituted against Multifold International's '007 patent. The Board found a reasonable likelihood of prevailing on Claim 1 based on prior art references Purcell and Nicholas, advancing the dispute to trial.

patent instituted · Aug 30, 2024

BMW of North America, LLC et al. v.Foras Technologies Limited

· IPR2024-01347

BMW of North America successfully challenged Foras Technologies Limited's patent via IPR, leading the PTAB to institute proceedings on all claims. The Board found that Petitioner demonstrated a reasonable likelihood of prevailing based on multiple obviousness grounds.

patent instituted · Aug 30, 2024

BMW of North America, LLC et al. v.Foras Technologies Limited

· IPR2024-01346

BMW of North America successfully petitioned to institute IPR against Foras Technologies, challenging 30 claims related to fault tolerance and processor redundancy. The Board found the petition met the Advanced Bionics framework requirements by introducing new prior art (Arai and Landry).

patent instituted · Aug 13, 2024

Cisco Systems, Inc. v.Croga Innovations Ltd.

· IPR2024-01283

Cisco Systems successfully petitioned to institute an IPR against Croga Innovations Ltd. regarding network security claims, arguing obviousness over combinations of Jeffries, LaBine, and Ishaya. The Board found that the strong showing of unpatentability on the merits outweighed factors favoring denial, leading to institution.

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