USPTO Director Vacates Institution of Inter Partes Review in Cisco v. Dynamic Mesh Networks

The USPTO Director has vacated the institution of an Inter Partes Review (IPR) in the case of Cisco Systems, Inc. v. Dynamic Mesh Networks, Inc. The decision was based on the patent owner filing a statutory disclaimer of all claims and the entire term of the challenged patent prior to institution, rendering the review moot.

USPTO Vacates Institution of Inter Partes Review in Carbyne v Tritech

The USPTO Director has vacated the institution of an Inter Partes Review (IPR) in the case of Carbyne, Inc. v. Tritech Software Systems. The Director found that the petitioner, Carbyne, Inc., failed to adequately explain inconsistent claim construction positions taken before the USPTO and in district court litigation.

USPTO Director Denies Inter Partes Review Institution

The USPTO Director has granted a review, vacated a prior decision to institute an Inter Partes Review (IPR), and denied institution. This action stems from the patent owner's argument that the petitioner took inconsistent claim construction positions in district court litigation compared to its IPR petition.

USPTO Denies Inter Partes Review Due to Chinese Government Control

The USPTO Director denied an Inter Partes Review (IPR) petition filed by Tianma Microelectronics Co., Ltd. against LG Display Co., Ltd. The denial was based on national security interests, as Tianma is affiliated with China's Aviation Industry Corporation (AVIC), a Chinese government-controlled entity on the Commerce Department's entity list. This decision also interprets the Supreme Court's 'Return Mail' ruling to bar foreign governments from filing IPR petitions.

PTAB Grants New Filing Date and Expunges Documents in IPR Proceeding

The USPTO Patent Trial and Appeal Board (PTAB) has accorded a new filing date of January 5, 2026, to a petition for inter partes review filed by Curium US LLC. This decision follows an updated mandatory notice identifying additional real parties in interest. Consequently, prior filings related to the original petition, including a request for discretionary denial, have been expunged.

USPTO Director Review Vacates Institution, Remands IPR Cases

The USPTO Director has granted a review, vacated decisions to institute two Inter Partes Review (IPR) proceedings against two patents held by Birchtech Corp., and remanded the cases. The Director found that instituting multiple petitions against the same patent claims for efficiency reasons was an abuse of discretion.

USPTO Rehearing Decision on Patent Eligibility for Machine Learning

The USPTO Appeals Review Panel vacated a previous rejection of patent claims related to machine learning training methods under 35 U.S.C. § 101. This decision revises the patent eligibility assessment for certain AI-related inventions, impacting technology companies and manufacturers seeking patent protection.

USPTO AI Assistant Speeds Trademark Classification

The USPTO has announced a new AI tool called "Class ACT" designed to significantly reduce the time required for trademark application pre-processing. This tool automates the assignment of international classes, design search codes, and pseudo marks, aiming to improve efficiency for examining attorneys and applicants.

USPTO Director Remarks on International IP Index

USPTO Director John A. Squires delivered remarks on the U.S. Chamber of Commerce's International IP Index, highlighting the United States' continued top ranking and the importance of robust IP protection for innovation. The remarks emphasized the USPTO's efforts to strengthen the patent system and adapt to future needs.

USPTO, DOJ Reaffirm Importance of Patent Incentives

The USPTO and DOJ filed a statement of interest in a U.S. District Court case, reaffirming the importance of patent incentives for innovation and competition. The statement argues that limiting patentees' ability to seek injunctive relief for infringement undermines the incentive to innovate and the U.S. patent system.