Best Lawyers in California, United States for Litigation - Securities
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Brandon Roker focuses his practice on white-collar criminal defense, qui tam litigation, internal investigations and complex commercial litigation. He has extensive experience representing clients in voluntary disclosures and in connection with government investigations, including investigations by the US Department of Justice (DOJ), the US Securities and Exchange Commission (SEC), the Department of Health and Human Services Office of Inspector General and the Division of Occupational Safety ...
Michael D. Celio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Michael D., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.
Lloyd Winawer is known for his work on complex business litigation and investigations. Lloyd focuses on disputes arising from mergers and acquisitions and other commercial transactions and securities law matters. Lloyd is the leader of Bergeson’s M&A Dispute Resolution Group. Lloyd has significant expertise in M&A disputes, having litigated and advised on numerous post-closing controversies related to earnouts, purchase price adjustments, contingent value rights, milestone and p...
Brian J. Robbins is a co-founder and the managing partner of Robbins LLP. He has committed his entire career to representing shareholders, employees, consumers, and small businesses in complex litigation. Mr. Robbins has prosecuted hundreds of cases across the country, often in leadership roles, and has achieved sizable monetary recoveries and corporate governance improvements on behalf of his clients. For his leadership and achievements, he has been recognized as a Super Lawyer every year si...
Shane P. Sanders represents individual and institutional investors in shareholder derivative actions, securities fraud class actions, and mergers and acquisitions actions. Mr. Sanders has litigated a broad range of matters, including cases addressing stock option backdating, the subprime mortgage crisis, board entrenchment and elections, executive compensation, corporate takeovers, violations of the Foreign Corrupt Practices Act and myriad forms of fraud, including violations of federal secur...
Commercial litigator Adam Trigg represents directors, officers, and founders in complex securities litigation, shareholder disputes, business divorces, and other intracompany controversies. His Silicon Valley-based clients include executives and leaders of venture capital, life sciences, biotechnology, and high-tech companies. Securities Litigation and SEC Investigations Adam has defended numerous officers, directors, and companies in securities class actions, shareholder derivative actions, ...
When business partnerships, startups, and investment funds are in the throes of intra-company disputes or face claims of wrongdoing, business litigator John D. Pernick guides companies and their founders, directors, executives, and investors toward resolutions that serve their overall interests, be it through negotiation or litigation. He also represents companies and individuals in complex state and federal litigation matters and in connection with investigations by the Securities Exchange C...
Mr. Dixon’s practice spans a wide range of litigation in federal and state courts at the trial and appellate levels and before arbitral tribunals. He focuses on complex business litigation, intellectual property litigation, securities litigation, international arbitration, and other high-stakes commercial disputes. Mr. Dixon also has extensive experience with internal and government investigations. Mr. Dixon has represented clients across a broad spectrum of industries, including Wester...
Craig I. Varnen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Craig I., who practices law in Los Angeles, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig I. is held by other top lawyers in the same geographic and legal practice area.
A Business Leader, Innovator and Defender of Investor Rights Bruce W. Leppla is a partner in the San Francisco office of Lieff Cabraser, the 2022 New York Law Journal “Class Action Department of the Year,” the 2021 American Lawyer “Boutique Litigation Firm of the Year,” and the Benchmark Litigation “California Plaintiff Firm of the Year.” Bruce has received numerous honors and awards, including: Lawdragon named Bruce “one of the nation’s best pl...
Amy Longo is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Amy, who practices law in Los Angeles, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy is held by other top lawyers in the same geographic and legal practice area.
There is a reason Bruce Vanyo's peers call him the "dean of securities litigation." He has spent more than 40 years handling securities fraud and corporate governance lawsuits for clients such as Amarin Corporation, Amdocs, Inc., Angie's List, Boeing Company, Cree, Inc. and GW Pharmaceuticals — and succeeding on their behalf. Leading the firm's securities litigation and enforcement practice, Bruce represents clients across a number of industries, particularly technology and life science...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.