Ryan P. O'Connor

Christian Salaman is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Christian, 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 Christian is held by other top lawyers in the same geographic and legal practice area.

Steven A. Goldfarb, a former longtime co-chair of Hahn Loeser’s national Litigation Practice Area , is a skilled and highly acclaimed trial lawyer practicing in California and Ohio with experience representing companies and individuals across the country in diverse business litigation matters. In addition to leading the firm’s well-recognized Class Action and Title Insurance Industry Teams, Steve has significant experience in unfair competition/trade secrets, insurance coverage/ba...

John E. Wehrli is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice. John E., who practices law in San Diego, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John E. is held by other top lawyers in the same geographic and legal practice area.

Claudia P. Martorell is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Claudia P., 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 Claudia P. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Gleason is an AV-rated trial and appellate lawyer with over 20 years of experience handling key areas of business litigation, including consumer class action defense, California’s Proposition 65, product liability, fraud, real estate, escrow, and title insurance. He serves as Partner-in-Charge of Hahn Loeser’s San Diego office, is founder of the firm’s Proposition 65 defense group, and a member of the San Diego Litigation Team, which is ranked among the Top Tier P...

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...

In his practice, HFM Partner James “Jim” Peterson focuses on business and employment litigation. Mr. Peterson advises and litigates disputes for a number of business clients on various aspects of the employment relationship, including misappropriation of trade secrets and proprietary information, protection of customer lists and employees, discrimination, sexual harassment, breach of contract, wage and hour laws, and wrongful termination. Mr. Peterson is an expert on employment-re...

John E. Fitzsimmons is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. John E., 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 John E. is held by other top lawyers in the same geographic and legal practice area.

John Hammerstrand is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. John, who practices law in San Diego, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Catherine M. McBain is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Product Liability Litigation - Plaintiffs. Catherine M., who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine M. is held by other top lawyers in the same geographic and legal practice area.