Three OBWB Partners Ranked 2026 Best Lawyers
The 32nd edition of The Best Lawyers in America® has been publicly released today. Osha Bergman Watanabe & Burton LLP is proud to have three attorneys listed in this definitive guide to premier legal talent. Congratulations to Jonathan Osha, Jeffrey Bergman, and Carlyn Burton.
China Team Leadership Promotions
We are pleased to announce two recent leadership promotions that will further enhance OBWB's operational capabilities in China. In recognition of continued excellence, Shaoping ZHONG has been appointed Vice President of our Beijing office, and Jude Yi has been promoted to General Manager of our Hangzhou office. These appointments reflect OBWB's ongoing commitment to delivering exceptional service and support to our global clients.
Dr. Matthew L. Madsen Joins OBWB
Dr. Madsen will focus on IP transactions and biotech, working closely with our team to expand the firm's growing life sciences practice. His deep knowledge of intellectual property strategies, technology development, and regulatory policy will be a tremendous asset to our clients.
Just Published - IAM Patent 1000 2025
OBWB ranked on IAM Patent 2025 list of the world's leading patent professionals. "Offering elevated patent prosecution services to a global clientele, Osha Bergman Watanabe & Burton has earned a reputation as an "A+ firm". With a deep bench of attorneys holding advanced technical degrees, they are frequently sought after by leaders in the technology space.
OBWB Ranked #43 By Harrity Analytics
Delighted to be ranked #43 in the Harrity Analytics 2025 edition of, "THE TOP PATENT FIRMS REPORT - The Leading Law Firms Obtaining US Patents."
Califf Cooper Promoted to Partner
We are pleased to announce that Califf Cooper has been promoted to partner at OBWB, effective April 11, 2025. A savvy litigator in and out of the courtroom, Califf has exceptional legal expertise and a deep understanding across a broad range of intellectual property disputes. Since joining the firm in 2016, he has played a key role in advising clients on complex patent litigation, copyright enforcement, and portfolio management matters across a wide range of industries.
Ranked a Juristat 2024 Top Patent Firm in the U.S.
With only 133 firms making the cut in Juristat's 2024 rankings, OBWB is delighted to be on the list. According to their report, "The Juristat Top Firm Rankings represent the best of the best at the USPTO, based solely on patent analytics."
Kevin Kuelbs Joins OBWB Executive Committee
Effective January 1, 2025, Kevin Kuelbs will join OBWB's Executive Committee. In this new senior leadership position, Kevin will take on a more active role in supporting the firm's strategic direction and global operations.
2024 Women in Tech Sponsor
The 2024 Comp-U-Dopt Women in Tech Symposium was held on November 9th at the Main Campus of the University of Houston. OBWB was a proud sponsor of this event.
OBWB Ranked a 2025 Best Law Firm
OBWB is thrilled to — once again — be ranked a Best Law Firm® in two categories: Patent Law & Litigation - Patent.
