Sean Prosser's practice focuses on all aspects of securities litigation. Mr. Prosser, a former SEC enforcement attorney, defends companies and their officers and directors, as well as public accounting firms and broker-dealers, in shareholder class action, derivative, and corporate control lawsuits, and in enforcement investigations and proceedings by the SEC, FINRA, stock exchanges, California Department of Corporations, DOJ, PCAOB and other regulatory agencies. He also represents companies, including special committees and audit committees, in connection with internal investigations.
During his career, Mr. Prosser has defended numerous public companies and their executives in federal securities class action and state derivative lawsuits. He has represented clients in a broad range of industries, including life sciences, financial services, computer software and hardware, medical devices, and consumer products.
Mr. Prosser is recommended by Legal 500 (2012-2013), and is recognized by Best Lawyers in America for his expertise in Securities Litigation, Mergers & Acquisitions Litigation, SEC Enforcement Litigation, and Corporate Compliance & Corporate Governance Law. He has been selected for inclusion in San Diego Super Lawyers for 2010-2014.
Mr. Prosser is a member of the Board of Editors for the Corporate Counselor and a member of the Association for Securities and Exchange Commission Alumni (ASECA). He is also a member of the California Bar Association and the San Diego Bar Association. He is admitted to practice in California, before the U.S. District Courts for the Central and Southern Districts of California, and before the U.S. Court of Appeal for the Ninth Circuit.
Mr. Prosser was the Executive Notes & Comments Editor for the New York Law School Journal of International and Comparative Law.