Recognizing Our History | Focused on the Future

Bartko, established 45 years ago, is a top 20 boutique law firm specializing in national and international complex litigation and investigations, as well as real estate and franchising transactions. We are a 45+ lawyer firm dedicated to the strategic cutting-edge representation of our clients in California, nationally and internationally.


BZBM Selected as Top 20 Boutique Law Firm by The Daily Journal


Patrick M. Ryan and Benjamin K. Riley Named “Top 100 Lawyer” in California September 15, 2023 San Francisco, CA – Patrick M. Ryan—head of Bartko law firm’s Litigation practice and Chair of its Antitrust and IP and Brand Protection groups, and a member of the firm’s Executive Committee—and Benjamin K. Riley—a principal in Bartko’s Litigation […]


Bartko Expands Into Chicago and Announces Addition of Principal Jason A. Zweig July 18, 2023 San Francisco, CA – Bartko Zankel Bunzel Miller, P.C., an elite boutique litigation law firm, which specializes in complex litigation, is pleased to announce the addition of Jason A. Zweig as a Principal of the firm. Jason will be a […]


Bartko Scores Victory Against Zazzle, as Federal Judge Resoundingly Rejects Second Attempt to Dismiss Font Designer’s Claims that Zazzle Stole Her IP July 18, 2023 San Francisco, CA – On the evening of July 17, 2023, the Honorable Beth Labson Freeman of the U.S. District Court for the Northern District for California, in Laatz v. […]