Ricardo Camposanto

William Bernstein has practiced law for more than three decades. Who’s Who Legal called him, “a leader in the plaintiffs’ bar in the fields of complex civil litigation, antitrust , and consumer protection law.” Notable cases Bill has litigated include price-fixing suits against pharmaceutical companies on behalf of retail pharmacies, consumer claims against the world’s largest vitamin manufacturers for crafting a global “vitamins cartel,” charges agai...

Matthias Kamber is a partner in the Intellectual Property practice of Paul Hastings and is based in the firm's San Francisco office. Mr. Kamber focuses on litigating intellectual property cases and has tried approximately ten jury and bench trials. In particular, Mr. Kamber has handled patent cases involving internet advertising and telephones, smartphones, and microprocessors throughout the country and before the U.S. International Trade Commission. Mr. Kamber has also handled trade secret, ...

Emile A. Davis is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Emile A., who practices law in San Francisco, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Emile A. is held by other top lawyers in the same geographic and legal practice area.

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

Katherine Lubin Benson is a partner in our San Francisco office specializing in securities and derivative suits and antitrust class actions. Katherine currently represents court-appointed co-lead plaintiffs in shareholder derivative litigation against Fox Corporation’s directors and officers pending in Delaware Chancery Court, In re Fox Corporation Derivative Litigation , C.A. No. 2023-0418-BWD (Del. Ch.), and court-appointed co-lead plaintiff in securities fraud litigation against Bloc...

Christin J. Hill is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Christin J., who practices law in San Francisco, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christin J. is held by other top lawyers in the same geographic and legal practice area.

Nicole Webb is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Nicole, who practices law in San Francisco, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicole is held by other top lawyers in the same geographic and legal practice area.

Margaret N. Rosegay is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Litigation - Environmental, Natural Resources Law and Water Law. Margaret N., who practices law in San Francisco, California, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret N. is held by other top lawyers in the same geographic and legal practice area.

Ruth Stoner Muzzin is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law. Ruth Stoner, who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ruth Stoner is held by other top lawyers in the same geographic and legal practice area.

Bob Blum is a litigator who represents contractors and owners on construction claims and clients in many industries on contract and indemnity claims. He counsels lawyers and law firms on professional responsibility matters and represents creditors in bankruptcy cases. What Do You Focus On? With more than three decades of experience, I focus my practice in the following areas. Commercial Contract Litigation I represent construction, energy, vegetation management, financial services and retail ...