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2.17.26
WIPR Recognizes Wilson Sonsini in USA Patent Rankings 2025
World Intellectual Property Review (WIPR) recognized Wilson Sonsini’s patents practice in the 2025 edition of “WIPR USA Patents,” a comprehensive analysis of the leading law firms and attorneys in the U.S. Wilson Sonsini is ranked as a “Recommended Firm” and is noted for its patent work and for its bench of deeply knowledgeable practitioners. The firm is also recognized for its work in cutting-edge technology sectors, including artificial intelligence and machine learning.
Client Highlights
12.02.25
Wilson Sonsini Secures PTAB Institution in Five IPRs Filed for Azurity Pharmaceuticals
On November 19, 2025, Wilson Sonsini obtained a significant milestone for Azurity Pharmaceuticals, with the Patent Trial and Appeal Board (PTAB) instituting inter partes review in all five petitions the firm filed on Azurity’s behalf. The petitions challenge methods and compositions for treating chemotherapy-induced nausea and vomiting. The Board’s institution decisions found a reasonable likelihood that Azurity will prevail on at least one challenged claim in each proceeding and authorized full trials on the grounds raised. The Board’s decisions are a notable milestone in the current PTAB environment, where institution rates have tightened significantly. Three Administrative Patent Judges independently concluded the challenges were reasonably likely to succeed, and the cases will now proceed to the yearlong trial phase.
Newsletters
1.25.21
2020 PTAB Year in Review
The firm's post-grant practice is pleased to present its 2020 PTAB Year in Review. The publication begins with a review of 2020 petition filings at the Patent Trial and Appeal Board (PTAB) and takes a closer look at the impact of the precedential Fintiv decision on discretionary denials of institution. It also provides a summary of recent precedential decisions and administrative directives, explores important appellate decisions relating to PTAB trials, offers an update on the PTAB's Motion to Amend Pilot Program, and addresses the continuing dispute over whether PTAB judges are constitutionally appointed.