Toyota Motor Corporation has filed a new inter partes review proceeding at the Patent Trial and Appeal Board, opening what could become a closely watched dispute for companies managing automotive and mobility-related patent portfolios. The petition, docketed as IPR2026-00333 and filed on April 7, 2026, signals Toyota’s effort to challenge the validity of an issued U.S. patent through the PTAB’s administrative review process.

At this early stage, the case caption identifies Toyota Motor Corporation as the petitioner, but the publicly available docket entry does not yet provide the full details practitioners will want most, including the patent number at issue, the named patent owner, and the specific prior-art combinations and statutory grounds asserted in the petition.

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.