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."

"Veteran practitioner Jonathan Osha is highly sought after for his strategic counsel in managing complex international IP portfolios, making him a reliable and trusted expert in the field. Also on the roster, Jeffrey Bergman brings his encyclopaedic knowledge of patent law, which he combines with his deep expertise in chemistry. He is well placed to delve into the intricacies of his clients’ patents and understand their unique business needs. Also offering high-level prosecution services, Carlyn Burton can be relied on for her straightforward approach and ability to identify creative strategies when filing patents. She backs this up with a strong foundation in science and more than two decades of expertise."