Thomas M. "Tom" Regan

Callie A. Bjurstrom is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Trade Secrets Law. Callie A., who practices law in San Diego, California, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Callie A. is held by other top lawyers in the same geographic and legal practice area.

Bing Ai Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Bing, who practices law in San Diego, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bing is held by other top lawyers in the same geographic and legal practice area.

Brian M. Kramer is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. Brian M., who practices law in San Diego, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian M. is held by other top lawyers in the same geographic and legal practice area.

Kristina A. Hancock is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Kristina A., who practices law in La Jolla, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristina A. is held by other top lawyers in the same geographic and legal practice area.

Vincent J. Bartolotta, Jr. is a founding partner of Thorsnes Bartolotta McGuire. He specializes in plaintiffs' litigation with an emphasis in business disputes, condemnation, and major injury cases. A tenacious litigator, Bartolotta is recognized annually by Woodward/White as one of the Best Lawyers in America -- a recognition he's received every year since 1987. "There's really no secret about what I do," he says, "I really do care for my clients; each case gets a piece of my soul." Bartolot...

Troy Zander is the partner-in-charge of Barnes & Thornburg's San Diego office and a member of the Corporate Department. He focuses his practice on the representation of lenders and companies in documenting technology, life sciences and middle-market financing transactions, including traditional commercial leveraged debt financings, venture debt financings and bridge loans. Troy has represented agents, lenders, participants and companies in credit facilities aggregating in excess of $50 bi...

Robert L. Hyde is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Law. Robert L., who practices law in San Diego, California, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert L. is held by other top lawyers in the same geographic and legal practice area.

Deyan P. Spiridonov is a member of the firm’s Mergers & Acquisitions practice. He is a member of the California State Bar Association. Deyan practices in the area of mergers and acquisitions and has represented public and private companies in the telecommunications, semiconductor, software, technology-related defense contracting, biotechnology and financial industries. Mr. Spiridonov has experience in structuring and negotiating all aspects of acquisition transactions, including sto...

Frank L. Tobin is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Frank L., who practices law in San Diego, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank L. is held by other top lawyers in the same geographic and legal practice area.

Matthew C. Smith has extensive experience in all aspects of civil litigation, including trials, arbitrations, and mediations. Matt represents individuals and business clients on a wide variety of professional and business litigation matters. He has served as lead counsel or co-counsel in more than a dozen trials and arbitrations. Matt also handled several successful appeals and has argued before the Fourth District Court of Appeal. Matt earned his Juris Doctor from Washington & Lee Univer...