IAM Patent 1000 has recognized Wilson Sonsini in its newly published 2023 edition of IAM Patent 1000 – The World’s Leading Patent Practitioners. The guide recognized the firm with three firm rankings and six Wilson Sonsini attorneys received individual recommendations in the rankings.

The publication highlighted the firm’s “diversely talented line-up” of patent-focused experts, corporate lawyers, technology transactions specialists, and litigators. James Heslin and Matthew Bresnahan are noted as being “standouts on the patent team, the former spearheading IP prosecution efforts I the medical device space and the latter leading a large group in San Diego that is dedicated to the life sciences.” John Wehrli and Ken Clark are recognized as “leading transactional lawyer[s] in the pharmaceutical and biotechnology industries” and James Yoon is honored among the “most experienced trial lawyers.”

The IAM research team conducts face-to-face and telephone interviews and exchanged correspondence over a five-month period with thousands of lawyers, attorneys, and their clients to gather market intelligence on the leading players in the field. Individuals qualify for a listing in the IAM Patent 1000 when they receive sufficient positive feedback from peers and clients with knowledge of their practice and the market within which they operate. 

Wilson Sonsini’s firm rankings include:

• National: Recommended for Transactions
• California: Highly-Recommended for Transactions
• California: Bronze Ranking for Litigation

The attorneys that received individual rankings, recognizing their expertise and accomplishments included:

• Matthew Bresnahan
• Ken Clark
• James Heslin
• Michael Rosato
• John Wehrli
• James Yoon