US PTAB IP Litigation

Apple Inc. v.HBCU Messaging US LP

The USPTO denied the patent owner's request for Director Review of institution decisions in several IPRs, leaving the original institution rulings intact.

Apple Inc. v.HBCU Messaging US LP

Apple’s IPR against Samsung’s 10,313,077 patent on Wi‑Fi 802.11ax signaling was instituted. The Board found a reasonable likelihood of success on at least one claim based on obviousness over Bharadwaj and Yu prior art.

Apple Inc. v.HBCU MESSAGING US LP

Apple’s IPR petition against Samsung’s 802.11ax‑related patent was granted institution, opening the path to potentially invalidate claims 1‑14.

Apple Inc. v.HBCU Messaging US LP

The PTAB instituted an inter partes review of Apple’s challenge to the ’077 patent, finding a reasonable likelihood of success on obviousness grounds over Bharadwaj and Yu references.

Apple Inc. v.HBCU MESSAGING US LP

The USPTO denied Samsung’s petitions for Director Review of institution decisions across six IPRs, leaving the institution rulings intact and preserving Apple’s challenge to HBCU’s patent.

Apple Inc. v.HBCU Messaging US LP

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.

Apple Inc. v.HBCU MESSAGING US LP

Apple seeks director review to overturn the PTAB’s institution of an IPR against Samsung’s Wi‑Fi patents, contending the Board misapplied the “diverse subject‑matter” test and ignored Samsung’s inconsistent indefiniteness positions.

Apple Inc. v.HBCU Messaging US LP

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.

Apple Inc. v.HBCU Messaging US LP

Wilus seeks director review to overturn the PTAB’s institution of Samsung’s IPR on Wi‑Fi patents, arguing settled expectations and inconsistent indefiniteness positions.

Apple Inc. v.HBCU MESSAGING US LP

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.

Apple Inc. v.HBCU Messaging US LP

Apple’s petition challenges Samsung’s IPR against Wilus’s ’077 Wi‑Fi patent. Wilus seeks Director Review, arguing settled expectations and Samsung’s inconsistent indefiniteness positions merit denial of institution. The Board had previously instituted the IPR.

Apple Inc. v.HBCU Messaging US LP

The PTAB denied Apple’s request for Director Review of institution decisions in several Samsung‑related IPRs, leaving the original institution rulings intact.

Disney Entertainment & Sports LLC v.Adeia Guides Inc.

· IPR2026-00055

Disney filed an unopposed motion to dismiss its IPR against Adeia Guides before the Board instituted the trial. The motion relies on prior PTAB precedent that favors early termination to save resources.

Disney Entertainment & Sports LLC v.Adeia Media Holdings Inc.

· IPR2026-00051

Disney filed an unopposed motion to dismiss the IPR against Adeia Media’s patent 8,280,987 before the Board had instituted the trial. The motion argues the proceeding is still in a preliminary stage and seeks a speedy, cost‑effective termination.

patent terminated or settled · Oct 31, 2025

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00049

The PTAB Director Review denied institution of Samsung's IPR against Headwater's patent, citing the parallel proceeding's trial date as a decisive discretionary factor.

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00049

Headwater Research settled its patent claims against Apple, licensing the patents and withdrawing related allegations, while the broader litigation against Amazon continues.

Disney Entertainment & Sports LLC v.Adeia Guides Inc.

· IPR2026-00056

Disney filed an unopposed motion to dismiss the IPR against Adeia Guides’ ’324 patent before the Board had instituted the trial. The motion cites prior PTAB decisions that favor early termination to save resources.

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00050

Headwater Research settled its Apple-related patent claims, limiting its lawsuit against Amazon in the Google‑vs‑Headwater case.

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00048

Headwater Research filed a notice of partial settlement with Apple, licensing its patents and dropping all Apple‑related claims, while the IPR against Amazon continues.

Apple Inc. v.HBCU Messaging US LP

Apple has filed an IPR petition challenging all 30 claims of the ’183 Patent covering undelivered‑message thresholds. The petition asserts that a combination of four prior‑art references makes the claims obvious under § 103. No institution decision has been made yet.

Apple Inc. v.HBCU Messaging US LP

Apple Inc. filed an IPR petition challenging all 30 claims of U.S. Patent 11,991,601, asserting that the claims are obvious over a combination of four prior‑art references covering wireless messaging. The petition seeks institution of the review and cancellation of the claims.

Apple Inc. v.HBCU MESSAGING US LP

Apple has filed an IPR petition seeking to invalidate all 30 claims of U.S. Patent No. 11,991,600, which covers methods for selecting message bearers on mobile devices. The petition relies on obviousness grounds under 35 U.S.C. §103, combining prior art from Horvath, Tsampalis, Kansal, and Dorenbosch. No claim constructions or institution decision are present at this stage.

Samsung Electronics Co., Ltd. et al. v.Massively Broadband LLC

· IPR2026-00103

Samsung has filed an IPR petition challenging U.S. Patent 8,224,794, which claims a wireless‑network clearinghouse system. The petitioner contends that all 32 claims are obvious in view of prior‑art references such as Dawson, Geranio, Aaron, Daley, Scherzer and Chmaytelli. No secondary considerations are offered to overcome the obviousness argument.