A new inter partes review proceeding at the Patent Trial and Appeal Board could draw close attention from patent owners, challengers, and counsel following the medical technology sector. In IPR2026-00341, filed June 12, 2026, the petition is styled Resmed Corp., signaling that ResMed is involved in a fresh PTAB dispute over the validity of an issued patent.

At this early stage, the public docket identifies the proceeding but may not yet fully reflect all underlying petition details, including the specific patent number, all real parties in interest, and the complete list of asserted prior-art grounds.

A new inter partes review, IPR2026-00391, was filed on June 5, 2026, at the Patent Trial and Appeal Board naming Teladoc Health, Inc. in the proceeding. The filing places another spotlight on the digital health and telemedicine patent landscape, where platform functionality, remote care workflows, and software-driven healthcare delivery continue to generate high-stakes validity disputes.

At this early stage, the PTAB docket identifies the proceeding by title but may not yet reflect the full set of publicly available petition details practitioners typically watch for, including the specific patent number, the complete alignment of petitioner and patent owner, and the precise prior-art combinations asserted in the challenge.

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.

Another new inter partes review to watch at the Patent Trial and Appeal Board: IPR2026-00387, filed June 5, 2026, and captioned Optiver US LLC. At this early stage, the docket signals the start of a potentially important dispute for companies operating in technology-driven and latency-sensitive markets, but the petition itself will be the key document for practitioners looking to assess the full stakes of the case.

Based on the current docket entry, Optiver US LLC is the petitioner seeking review of an issued U.S. patent.

The Patent Trial and Appeal Board’s June 2, 2026 public order in IPR2026-00252 is brief but still worth attention for PTAB practitioners: the Director denied discretionary review, leaving the underlying Board action in place. In practical terms, the decision reinforces how difficult it remains to obtain Director intervention absent a clear policy issue, legal error, or case-specific circumstance warranting extraordinary review.

Because this filing is a “Director Discretionary Decision: Deny,” the key takeaway is procedural rather than merits-driven.

Vivint LLC has filed a new petition for inter partes review at the Patent Trial and Appeal Board in IPR2026-00375, opened on June 1, 2026.

The Patent Trial and Appeal Board granted institution in IPR2026-00189, finding that the petitioner made the required threshold showing that at least one challenged claim is reasonably likely to be unpatentable. At the institution stage, that is the key question under 35 U.S.C. § 314(a): not whether the patent is ultimately invalid, but whether the petition presents a sufficiently strong merits case to justify full trial before the Board.

Although an institution decision is preliminary, it is often the first meaningful read on how the PTAB views the parties’ invalidity theories, prior art combinations, and claim construction disputes.

Amazon.com Services LLC has filed a new inter partes review petition at the Patent Trial and Appeal Board, docketed as IPR2026-00361 on May 26, 2026.

A new post-grant review proceeding at the Patent Trial and Appeal Board could be worth watching for companies and counsel operating in competitive consumer product and health-tech markets. In PGR2026-00051, titled Hyper Ice, Inc., a petitioner has asked the PTAB to review the validity of a recently issued patent associated with Hyper Ice, Inc. The petition was filed on May 26, 2026.

At this early stage, the PTAB docket signals the opening of a post-grant challenge, but practitioners should note that post-grant review itself already says a great deal about the patent at issue.

Pinterest, Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening IPR2026-00366 on May 22, 2026. For patent litigators and in-house IP teams, the filing is worth watching not only for the substantive patentability issues it may raise, but also for what it could signal about Pinterest’s broader litigation and defensive patent strategy.

At this stage, the PTAB docket identifies the proceeding by petitioner name—Pinterest, Inc.—but practitioners should review the underlying petition papers on Docket Alarm for the specific patent number, challenged claims, and real-party-in-interest disclosures as they become available.

Pinterest, Inc. has filed a new inter partes review petition, IPR2026-00365, at the Patent Trial and Appeal Board on May 22, 2026. The proceeding puts another PTAB spotlight on the increasingly important area of platform recommendation and content-delivery technology—an area where social media, e-commerce, and advertising companies continue to face significant patent assertion risk.

At this stage, the publicly available docket reflects that Pinterest is the petitioner, but practitioners will want to watch closely for the identification of the patent owner, the specific patent claims challenged, and the prior art combinations asserted in the petition as the record develops.

Palo Alto Networks, Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening PTAB proceeding IPR2026-00364 on May 15, 2026. At this stage, the filing itself is the key development: the petition signals that Palo Alto Networks is seeking to invalidate claims of an asserted patent through the Board’s administrative trial process rather than litigating patentability exclusively in district court.

The currently available docket information identifies Palo Alto Networks, Inc. as the petitioner, but practitioners will want to watch closely for the patent owner’s appearance, the specific patent number at issue, and the claim set Palo Alto Networks has targeted.

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.

Meta Platforms, Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening IPR2026-00347 on May 13, 2026. At this early stage, the PTAB docket reflects the filing of the petition, but practitioners should expect the key details—most importantly the specific patent being challenged, the patent owner’s identity, and the precise prior-art combinations—to come into sharper focus as the docket develops.

Even from the initial filing, this is a proceeding worth watching.

Palo Alto Networks, Inc. has filed a new inter partes review petition at the Patent Trial and Appeal Board, opening IPR2026-00364 on May 15, 2026. At this stage, the case is notable less for any Board rulings—which have not yet issued—and more for what it may signal about the company’s broader patent defense strategy and the types of prior art and validity theories likely to be tested at the PTAB.

Based on the currently available docket information, Palo Alto Networks is the named petitioner.