Leo Caseria

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 advising companies on antitrust issues arising in connection with mergers, acquisitions, technology transactions, licensing agreements, and also in connection with civil litigation. He regularly advises companies regarding the requirements under the Hart-Scott-Rodino (HSR) Act, and has prepared numerous HSR filings. Mr. Caseria has also represented clients before the Department of Justice and the Federal Trade Commission in connection with government antitrust investigations.  He has also litigated a wide variety of antitrust cases in federal and state courts including price-fixing, market allocation, boycott, monopolization, and attempted monopolization cases. 

Mr. Caseria serves as Co-Chair of the Books & Treatises Committee of the American Bar Association's Section of Antitrust Law. Mr. Caseria frequently edits or contributes to the Section’s antitrust handbooks, and has also authored articles for SCOTUSblog and the New York Law Journal. 

• Antitrust, Legal 500, 2015, 2017

Representative Engagements

• Representing telescope manufacturer against price-fixing, market allocation, monopolization and attempted monopolization claims. Optronic Technologies, Inc. v. Ningbo Sunny Electronic Co., Ltd., Case No. 16-6370 (N.D. Cal.)
• Representing Samsung in global patent and standards related antitrust matters.
• Representing The Reynolds and Reynolds Company against state and federal antitrust claims relating to data access. Motor Vehicle Software Corporation v. CDK Global, Inc., Case No. 17-896 (C.D. Cal.)
• Represented The Reynolds and Reynolds Company against claims relating to data access. Data Software Services, LLC v. The Reynolds and Reynolds Company, Case No. 17-1347 (C.D. Cal.)
• Represented Samsung SDI against price-fixing actions brought by Attorneys General of Illinois, Oregon and Washington. In Oregon, on a motion argued by Mr. Caseria, Samsung SDI obtained an order capping the State of Oregon’s potential antitrust civil penalties to a maximum of $2.5 million, subject to possible additional reductions, as opposed to the $375 million sought by the State. State of Oregon v. LG Electronics, Inc., Case No. 1208-10246 (County of Multnomah, Order dated Nov. 23, 2016).
• Represented 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.)
• 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).

• "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 (2014-2017)