Patent Office Chief Expands Grounds to Deny Validity Challenges

Wednesday, March 11, 2026iiplaeditorialSource: IIPLA
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Patent Office Chief Expands Grounds to Deny Validity Challenges

By Editorial Team

US Patent and Trademark Office Director John Squires has issued a memo expanding the grounds under which his office can reject challenges to patent validity. The move aims to safeguard American manufacturers and small businesses.

In the memo released on Wednesday, Squires outlined three new considerations for the office's review process. These include assessing whether the products produced or licensed by the patent holder compete with American goods, whether they were manufactured in the US, or if they are linked to investments in American manufacturing operations.

The Patent Trial and Appeal Board (PTAB) can now introduce its own grounds to invalidate a patent in specific situations. This decision comes as an effort to protect domestic businesses from potential threats posed by patent challenges.

Squires emphasized that many of the frequent petitioners challenging patents are large corporations. By introducing these additional criteria, the Patent Office aims to provide a level playing field for American manufacturers and small enterprises.

The new guidelines set by the Patent Office are expected to have a significant impact on the patent validity challenge process, ensuring that American businesses are shielded from unwarranted threats to their intellectual property rights.

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