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ARTICLE · 13 MAY 2026

Consistency Is Key – USPTO Issues Three New Informative Decisions

Finnegan, Henderson, Farabow, Garrett & Dunner LLP
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On May 13, 2026, the United States Patent and Trademark Office designated as informative three Patent Trial and Appeal Board decisions where the Director denied institution because petitioners advanced indefiniteness...

United StatesIntellectual Property

On May 13, 2026, the United States Patent and Trademark Office designated as informative three Patent Trial and Appeal Board decisions where the Director denied institution because petitioners advanced indefiniteness or different claim construction arguments in district court without sufficient justification.1In contrast to precedential decisions, informative decisions are not binding, but they do provide the Board guidance on new or reoccurring issues. See Patent Trial and Appeal Board Standard Operating Procedure 2 (Rev. 11) at 3. Terumo BCT, Inc. v. Haemonetics Corp., IPR2025-01374, IPR2025-01391, Paper 20 (Director May 12, 2026), summarized below, is representative of the three new informative decisions.

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