- J.D., Columbia University, 2005, Harlan Fiske Stone Scholar, Executive Editor, Columbia Journal of Environmental Law, Board Member, Columbia Environmental Law Society
- B.A., University of California, Los Angeles, 2002
- U.S. Court of Appeals for the Ninth Circuit
- U.S. District Court for the Central District of California
- U.S. District Court for the Eastern District of California
- U.S. District Court for the Northern District of California
Leo Caseria is a partner in the Antitrust & Competition Practice Group in the Los Angeles office of Sheppard Mullin.
Areas of Practice
Mr. Caseria’s practice focuses on antitrust and competition matters. He has advised companies on mergers and acquisitions, successfully litigated competition disputes, and represented clients involved in government antitrust investigations. He has also advised companies on competition issues relating to intellectual property, standard-setting, and FRAND licensing. Many of the matters Mr. Caseria has worked on are international in scope, and his experience covers a broad spectrum of industries, including consumer electronics, automotive parts and cement and concrete.
Mr. Caseria has litigated many cases involving alleged antitrust violations under the Sherman and Clayton Acts, including price-fixing, boycott, and monopolization cases. He frequently defends companies in a class action or multidistrict litigation context and has authored articles and counseled on the inclusion of class action waivers in arbitration agreements. His litigation experience also includes disputes involving unfair competition, tortious interference and trade secrets.
Mr. Caseria has also represented clients involved in DOJ or FTC antitrust investigations. His experience includes both civil and criminal government antitrust investigations. He has also helped companies obtain antitrust clearance on mergers and acquisitions, and counsels clients on the requirements under the Hart-Scott-Rodino Act. In connection with government antitrust investigations, Mr. Caseria has prepared presentations, written submissions, and document productions, and has prepared witnesses for interviews and worked with economists.
Mr. Caseria is active in the American Bar Association's Section of Antitrust Law, where he is currently Co-Chair of the Section’s Books and Treatises Committee. Mr. Caseria has contributed to Section handbooks, newsletters, and other publications, and has also authored articles for SCOTUSblog and the New York Law Journal.
- Antitrust, Legal 500, 2015
- Representing Samsung SDI against price-fixing claims involving cathode ray tubes (CRT). In re Cathode Ray Tube (CRT) Antitrust Litig., MDL. No. 1917 (N.D. Cal.)
- Representing Samsung SDI against price-fixing actions brought by Attorneys General of Illinois, Oregon and Washington.
- Representing Samsung Electronics in global patent and standards related antitrust governmental proceedings and private actions.
- Represented Samsung SDI against multi-billion dollar price-fixing claim brought by Motorola. Claims dismissed just before trial. Motorola Mobility LLC v. AU Optronics Corporation, 09-cv-6610 (N.D. Ill.)
- Represented Samsung SDI against price-fixing claims involving thin film transistor liquid crystal display products. In re TFT-LCD (FLAT PANEL) Antitrust Litigation, MDL. No 1827 (N.D. Cal.)
- Represented Diamond Electric in international price-fixing investigation in the automotive sector.
- Represented Samsung Electronics against multi-billion dollar group boycott claim brought by Rambus under California’s Cartwright Act concerning a certain type of DRAM. Rambus Inc. v. Micron Technology Inc., 04-0431105 (San Francisco Superior Court)
- Represented Samsung against federal and state antitrust claims brought by direct and indirect purchasers of SRAM alleging horizontal conspiracy to exchange information for the purpose of fixing prices. In re SRAM Antitrust Litigation, MDL No. 1819 (N.D. Cal.)
- Represented Live Nation and Clear Channel against Sherman Act § 2 monopolization claims brought by a purported class of purchasers of rock concert tickets. In re Live Concert Antitrust Litigation, MDL No. 1745 (C.D. Cal.)
- Represented Philip Morris against Sherman Act § 1 challenge to the $246 billion dollar Master Settlement Agreement between leading tobacco companies and 46 states. Contributed to successful U.S. Supreme Court brief in opposition to petition for certiorari following favorable ruling by the Ninth Circuit Court of Appeals in Sanders v. Brown, 540 F.3d 903 (9th Cir. 2007).
- "Opinion analysis: A class action waiver in an arbitration agreement will be strictly enforced under the Federal Arbitration Act," SCOTUSblog, June 21, 2013
- "Argument recap: Can arbitration agreements with class action waivers survive in the face of the effective vindication doctrine?" SCOTUSblog, March 4, 2013
- "Argument preview: Under what circumstances are arbitration agreements with class action waivers enforceable?" SCOTUSblog, February 22, 2013
- "Challenge to Alleged Restraints on Baseball and Hockey Programming Survive Motion to Dismiss," Sports Litigation Alert, December 28, 2012
- "Using Prior Expert Testimony Requires Extra Effort," New York Law Journal, July 18, 2011
Antitrust Law Blog Posts
- "Higher Filing Thresholds for HSR Act Premerger Notifications and Interlocking Directorates Announced," January 20, 2017
- "Maximum Civil Penalties for HSR Violations to Increase to $40,000 per Day," June 30, 2016
- "Higher Filing Thresholds for HSR Act Premerger Notifications and Interlocking Directorates Announced," January 21, 2016
- "SD3 v. Black & Decker (U.S.), Inc. – District Judge Axes Complaint Alleging Table Saw Safety Standards Conspiracy," August 4, 2014
- "Dang v. San Francisco Forty Niners - Consumers can challenge Reebok's exclusive NFL apparel deal based just on a market of garments bearing NFL team logos," August 7, 2013
- "American Express Co. v. Italian Colors Restaurant: A class action waiver in an arbitration agreement will be strictly enforced under the Federal Arbitration Act," June 25, 2013
- "Challenge To Alleged Restraints On Baseball And Hockey Programming Survive Motion To Dismiss And Advance To The Next Round Of Litigation," December 19, 2012
- "Supreme Court Will Now Hear Two Appeals Concerning Class Arbitration," December 14, 2012
- "Supreme Court to Address Enforceability of Arbitration Agreements and Class Action Waivers Yet Again," November 19, 2012
- "In re American Express Merchants' Litigation - Plaintiffs Survive Three Rounds In The Second Circuit, But Can They Survive The Supreme Court?" February 7, 2012
- "Wal-Mart v. Dukes: Implications For Antitrust Class Actions," July 11, 2011
- "AT&T Mobility LLC v. Concepcion - What Does It Mean For Class Arbitration And Class Actions In Federal Antitrust Cases?", May 13, 2011
- "Blue Skies For Continental Airlines In Bid To Join Star Alliance", August 12, 2009
- "Plaintiffs Granted Leave to Amend Complaint Alleging Monopolization of Grapes Under Walker Process Theory", April 13, 2009
- "Complaint Alleging Conspiracy to Fix LTL Freight Fuel Surcharges Dismissed", March 6, 2009
- Editor, ABA Section of Antitrust Law, Antitrust Evidence Handbook, Third Edition, 2016
- Editor, ABA Section of Antitrust Law, Handbook on the Scope of Antitrust, 2015
- Editor, ABA Section of Antitrust Law, Handbook on Sports and Antitrust Law, 2014
- Contributor, ABA Section of Antitrust Law, Joint Conduct Committee E-Bulletin, Spring 2013
- Contributor, ABA Section of Antitrust Law, 2012 Annual Review of Antitrust Law Developments, 2013
- Senior Editor, ABA Section of Antitrust Law, Handbook on Multijurisdictional Competition Law Investigations, 2010
- Don't Miss It: Hot Deals & Firms We're Following This WeekLaw360, July 1, 2016
- Don't Miss It: Hot Deals & Firms We're Following This WeekLaw360, February 26, 2016
- Corporate Counsel, September 4, 2015
- "Joint Conduct 101: Information Exchange," ABA Section of Antitrust Law, Joint Conduct Committee, October 20, 2016.
- Co-Chair, Books and Treatises Committee of the ABA Section of Antitrust Law (2016-2017)
- State Bar of California, Antitrust and Unfair Competition Law Section
- Vice Chair, Books and Treatises Committee of the ABA Section of Antitrust Law (2014-2016)