Twitch Interactive, Inc. has launched a new proceeding at the Patent Trial and Appeal Board, filing inter partes review petition IPR2026-00397 on June 29, 2026. For patent litigators and in-house IP teams, the case is worth watching both for what it may reveal about Twitch’s broader patent risk strategy and for how the Board approaches the prior art and validity issues raised in the petition.

At this early stage, the PTAB docket reflects the filing of the petition, but practitioners will want to monitor the record closely for the patent owner’s preliminary response, the Board’s institution decision, and any related district court litigation that may shape the parties’ positions.

A new post-grant review, PGR2026-00062, was filed at the Patent Trial and Appeal Board on June 25, 2026, putting an America Ugreen Limited patent directly in the PTAB spotlight.

A new inter partes review, IPR2026-00376, was filed at the Patent Trial and Appeal Board on June 18, 2026, naming Luxottica of America Inc. in the proceeding. While the publicly available docket caption confirms the PTAB filing and the involvement of Luxottica, this is the kind of early-stage matter patent practitioners will want to watch closely as the petition, patent-at-issue, and asserted invalidity theories come into sharper focus.

At this stage, the key takeaway is that a petitioner has asked the PTAB to institute trial on one or more claims of a patent connected to Luxottica.

Tesla Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening IPR2026-00380 on June 18, 2026.

A new inter partes review, IPR2026-00387, was filed at the Patent Trial and Appeal Board on June 5, 2026, under the caption Optiver US LLC. At this early stage, the proceeding is notable less for a developed merits record and more for what it signals: another PTAB dispute involving a sophisticated market participant, with the potential to touch on commercially important technology and high-stakes parallel enforcement or licensing issues.

Based on the docket currently available, the proceeding names Optiver US LLC as the petitioner.

Apple Inc. has launched a new inter partes review at the Patent Trial and Appeal Board, filing IPR2026-00316 on May 18, 2026. As of the initial docket entry, the proceeding is styled simply under Apple’s name, and practitioners will want to watch for the petition, mandatory notices, and any patent owner preliminary response to flesh out the dispute. You can track the docket here: View full case on Docket Alarm.

At this early stage, the publicly available case caption confirms the petitioner—Apple Inc.—but the docket details provided here do not yet identify the challenged patent number or the patent owner by name.

Palo Alto Networks, Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening IPR2026-00362 on May 15, 2026. For patent litigators and in-house IP teams, this is the kind of proceeding worth watching early: even before the Board decides whether to institute review, the petition can offer a detailed roadmap of invalidity theories, claim-prioritization strategy, and the petitioner’s broader litigation posture.

At this stage, the publicly available case caption identifies Palo Alto Networks, Inc. as the petitioner, but the docket summary provided here does not specify the challenged patent number, the patent owner, or the exact unpatentability grounds asserted.

ATT Services, Inc. has launched a new inter partes review at the Patent Trial and Appeal Board, filing IPR2026-00348 on May 5, 2026.

ATT Services, Inc. has launched a new inter partes review at the Patent Trial and Appeal Board, filing IPR2026-00349 on May 5, 2026. At this early stage, the proceeding is notable less for any merits ruling and more for what it signals: another major operating company turning to the PTAB as part of a broader patent-defense playbook.

Based on the case caption, ATT Services, Inc. is the petitioner.

Microsoft Corporation has filed a new inter partes review petition against QOMPLX LLC at the Patent Trial and Appeal Board, opening a fresh front in what could become an important dispute over patent validity and competitive positioning. The case, Microsoft Corporation v. Qomplx LLC, was filed on April 7, 2026, and is docketed as IPR2026-00325.

At this stage, the PTAB docket reflects the filing of the petition, with Microsoft as petitioner and QOMPLX as patent owner.

Apple Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening IPR2026-00332 on April 3, 2026. At this stage, the public docket identifies Apple as the petitioner, but practitioners should note that early PTAB dockets often reveal only limited information until the petition, exhibits, and mandatory notices are fully available.

Based on the current case listing, the key immediate takeaway is that Apple is asking the Board to reconsider the validity of at least one issued patent through the PTAB’s trial system.

Toyota Motor Corporation has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening proceeding IPR2026-00333 on April 7, 2026. The filing places at issue the validity of a patent that, while not identified in the docket caption itself, is now the subject of a formal PTAB challenge by one of the world’s largest automotive companies. For patent owners and accused infringers alike, that alone makes this proceeding worth watching closely.

At this stage, the key public-facing details are the petitioner, the forum, and the timing.