John D. Bronstein

Claudia Ribet is one of only four attorneys in California recognized by the State Bar as a certified specialist in both appellate law and family law. This dual qualification gives Claudia deep insight into effective presentation of complex arguments in high-stakes family law appeals. She wins most of the California family law appeals she litigates. Some of Claudia’s published family law appellate victories are listed below, and Claudia has served as counsel in many more unpublished fami...

Jim handles complex disputes in line with the business goals of his clients. He approaches cases efficiently, using preventive measures to keep litigation in check, including ADR. When high-stakes litigation is unavoidable, Jim's 30 years of trial experience in state and federal courts enables him to fight for the best results possible, now and in the future. James Evans is a highly skilled trial attorney with decades of experience handling complex cases in state and federal courts. Jim is al...

Kahn A. Scolnick is a lawyer recognized by Best Lawyers in the practice areas of Appellate Practice and Litigation - Securities. Kahn A. practices law in Los Angeles, California Best Lawyers has recognized Kahn A. Scolnick since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kahn A. Scolnick is held by other lawyers.

Colin Proksel focuses his practice on complex litigation across a wide set of industries. With over fifteen years of experience, he has a long track record of success representing clients in both state and federal court, alternative dispute resolution processes (including mediation and arbitration), and administrative proceedings. Colin graduated with distinction from the University of Iowa College of Law. Before joining Osborn Maledon, he served as a law clerk to the late Honorable Arthur L....

Matthew is a former in-house counsel at a large land developer. Matthew's experience enables him to understand the economic, legal, and practical challenges facing developers in California. Matthew's practice involves acquisitions, sales, and development for institutional and private clients, including life insurance companies, homebuilders, developers, major domestic and foreign banks, and other financial institutions. Matthew has substantial experience in structuring, negotiating, and docum...

Nearly 20 years of experience handling the most significant and complex water matters in California, Nevada and across the west. Leader in California groundwater management. Business-savvy approach to water strategy. Brad Herrema understands the vital role that water plays in any project. From the development of groundwater management strategies, to identifying opportunities for water investment, to securing recreational water supplies, his approach integrates each client’s unique busin...

David Biderman, a partner in Perkins Coie's San Francisco and Los Angeles offices, focuses his practice on mass tort litigation and consumer class actions. He heads the firm's Mass Tort/Toxic Tort Defense group. He has represented a wide variety of companies in state and federal courts in California for 30 years. David currently manages the firm’s full-service product liability team responsible for defending over 1000 toxic tort cases pending in Los Angeles and Northern California state...

For over twenty-five years Chris Casamassima has focused on winning complex business disputes for his clients. Chris has handled cases for defendants and plaintiffs involving breach of contract, business torts, fraud, antitrust, environmental claims, trade secrets and many other commercial issues across a variety of industries. Mr. Casamassima aggressively represents his clients, whether litigating a business-to-business contract dispute or defending a bet-the-company class action, mass tort ...

Thomas P. O'Brien is a lawyer recognized by Best Lawyers in the practice areas of Criminal Defense: White-Collar and Litigation - Securities. Thomas P. practices law in Los Angeles, California Best Lawyers has recognized Thomas P. O'Brien since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas P. O'Brien is held by other lawyers.

Companies facing high-risk cases rely on Todd to figure out how to develop an effective defense when no playbook exists. Todd’s recent focus has been on the liability and cybersecurity issues unique to autonomous vehicles. He also defends a wide variety of products liability cases, consumer class actions, mass torts, and investment disputes. Todd Benoff focuses his trial practice on high-exposure cases in the areas of products liability, toxic torts/mass torts, and business litigation, ...