Brian counsels institutional investors in the United States and around the world, helping them navigate complex securities, antitrust, and consumer protection litigation.
Brian O’Mara is a partner in DiCello Levitt’s San Diego office. His practice focuses on complex securities, antitrust, and consumer protection litigation in state and federal courts across the United States.
Over the past 20 years, Brian has served as lead or co-lead counsel in numerous shareholder, consumer protection, and antitrust actions involving companies in the financial services, technology, pharmaceutical, entertainment and gaming, and telecommunications industries, which have yielded billions of dollars in recoveries. He has helped institutional investors protect their fund investments by securing leadership positions in dozens of securities and antitrust actions and has been responsible for a number of significant trial and appellate court rulings in the securities and antitrust space.
Prior to joining DiCello Levitt, Brian was a partner at a leading complex litigation law firm and served as chief underwriter officer for a global private equity and advisory firm specializing in litigation finance, judgment enforcement, asset recovery, and related strategies serving claimants, law firms and other professional service firms, and businesses across the globe. In this capacity, Brian was responsible for directing the firm’s underwriting process for prospective investments and managing the firm’s investment portfolio, which included litigation and arbitration disputes in jurisdictions around the world.
Brian has been twice recognized by the American Antitrust Institute’s Antitrust Enforcement Awards for the category of Outstanding Antitrust Litigation Achievement in Private Law Practice for his work in the ISDAfix price-fixing litigation and the EpiPen class action alleging antitrust and RICO violations. He has also been named a Super Lawyer by Super Lawyers Magazine for the past six consecutive years and recognized as a Leading Plaintiff Financial Lawyer by Lawdragon.
Brian graduated from the University of Kansas with a degree in economics, and he received his law degree from DePaul University College of Law, where he was the recipient of a CALI Excellence for the Future Award in securities regulation.
- In re EpiPen Marketing, Sales Practices and Antitrust Litig., (D. Kan.). $609 million in class action alleging antitrust and RICO violations.
- Bennett v. Sprint Nextel Corp. (D. Kan.). Recovered $131 million in case alleging violations of the federal securities laws.
- In re CIT Grp. Inc. Sec. Litig. (S.D.N.Y.). Secured $75 million recovery in case alleging violations of the federal securities laws.
- In re MGM Mirage Sec. Litig. (D. Nev.). Recovered $75 million in case alleging violations of the federal securities laws.
- Alaska Elec. Pension Fund v. Bank of Am. Corp. (S.D.N.Y.). Recovered $504.5 million in case alleging that fourteen major banks and broker ICAP plc conspired to manipulate the ISDAfix rate, the key interest rate for a broad range of interest rate derivatives and other financial instruments.
- In re SSA Bonds Antitrust Litig., No. 1:16-cv-03711 (S.D.N.Y.). Secured $95.5 million in case alleging wide-ranging price-fixing and bid-rigging scheme of government bonds.
Law Review Articles
- “Whether Alleging ‘Motive and Opportunity’ Can Satisfy the Heightened Pleading Standards of the Private Securities Litigation Reform Act of 1995: Much Ado About Nothing,” DePaul Business & Commercial Law Journal, Vol. 1, Issue 3, Spring 2003
- District of Columbia
- U.S. Court of Appeals, Second Circuit
- U.S. Court of Appeals, Ninth Circuit
- U.S. District Court, Northern District of California
- U.S. District Court, Eastern District of Califonia
- U.S. District Court, Central District of Califonia
- U.S. District Court, Southern District of Califonia
- U.S. District Court, District of Colorado
- U.S. District Court, Northern District of Illinois
- U.S. District Court, District of Nevada
- U.S. District Court, Eastern District of Wisconsin