Overview

Leo Caseria is a partner in the Antitrust and Competition Practice Group in the Washington, D.C. and Los Angeles offices. 

Areas of Practice

Leo’s practice focuses on antitrust and pricing issues, including government merger review, investigations of alleged anticompetitive conduct or price gouging, civil litigation, compliance training, and counseling on proposed business strategies and transactions. He represents clients before the Department of Justice, Federal Trade Commission, and state attorneys general.  Leo has been ranked as a leading antitrust lawyer by Super Lawyers, Global Competition Review’s Who’s Who Legal, and Legal 500.  Leo also serves as co-chair for the Books and Treatises Committee of the 9,000 member ABA Antitrust Law Section, a position he has held since 2016.

Leo has guided clients through both DOJ and FTC antitrust merger investigations in a broad array of industries, including digital platforms, construction materials, and aerospace component manufacturing. Leo also regularly advises clients on requirements under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (“HSR”), and has managed the preparation and submission of numerous HSR filings. 

Leo’s litigation experience includes both trial and appeal.  He has represented both plaintiffs and defendants in antitrust and price gouging cases involving industries such as cement and concrete, grocery, apartments, automotive software, and consumer electronics.

Experience

Experience

Representative Engagements:

Antitrust M&A and HSR

Litigation

  • Defending honey importer Export Packers Company Limited dba Odem International against an antitrust and RICO class action brought by a putative class of U.S. domestic beekeepers, relating to a purported conspiracy to sell foreign fake honey.  Henry’s Bullfrog Bees v. Sunland Trading, Inc., Case No. 2:21-CV-00582-TLN-CKD (E.D. Cal.).
  • Defending The Reynolds and Reynolds Company against state and federal antitrust claims relating to data management system access. Monopolization and attempted monopolization claims dismissed at pleading stage. Motor Vehicle Software Corporation v. CDK Global, Inc., Case No. 17-896 (C.D. Cal. Order dated Oct. 2, 2017).
  • Defending JRK Residential Group, Inc. against putative class action alleging price gouging of apartment rental rates in California following wildfire emergencies.  Felker v. JRK Residential Group, Inc., Case No. SCV-267587 (Sonoma County Superior Court)
  • Representing cement producer CalPortland Company in antitrust case against four major railroads accused of allegedly price-fixing rate-based rail fuel surcharges.  CalPortland Company v. BNSF Railway Company, Case No. 2:20-cv-03659 (C.D. Cal.).
  • Defended CalPortland Company against False Claims Act claims premised on alleged conspiracy to fix prices and allocate markets relating to cement, concrete and asphalt. All claims dismissed; affirmed by Ninth Circuit. U.S. ex rel. Rune Kraft v. CalPortland Construction, Case No. 16-4479 (C.D. Cal. order dated Mar. 9, 2018), aff’d, Case No. 18-55594 (9th Cir. opinion dated Apr. 7, 2020).
  • Defended Save Mart against putative class action alleging price gouging of eggs in California.  Plaintiff asserted a single claim under California’s Unfair Competition Law, Cal. Bus. & Prof. Code section 17200, predicated upon an alleged violation of California Penal Code section 396, which prohibits price gouging.  Claim against Save Mart was voluntarily dismissed after Save Mart filed a motion to dismiss.  Fraser v. Cal-Maine Foods, Inc., Case No. 20-2733 (N.D. Cal.).
  • Defended Amerifoods against putative class action alleging price gouging of eggs in California.  Plaintiff asserted claims under California’s Unfair Competition Law, Cal. Bus. & Prof. Code section 17200, predicated upon an alleged violation of California Penal Code section 396, which prohibits price gouging.  Claims against Amerifoods voluntarily dismissed.  Elander v. Rose Acre Farms, Inc., Case No. 20STCV33673 (Los Angeles County Superior Court).

Honors

Honors

  • Competition Future Leader, GCR Who’s Who Legal, 2021

  • Next Generation Lawyers, Legal 500, 2019-2021
  • Antitrust, Legal 500, 2015, 2017, 2019-2021
  • Southern California Super Lawyer, Super Lawyers, 2021
  • Southern California Rising Star, Super Lawyers, 2018-2020

Insights

Articles

Antitrust Law Blog Posts

Antitrust Books and Handbooks

  • Editor, Handbook on Antitrust in Technology Industries, ABA Section of Antitrust Law, 2017
  • Editor, State Action Practice Manual, ABA Section of Antitrust Law, Third Edition, 2017
  • Editor, Antitrust Evidence Handbook, ABA Section of Antitrust Law, Third Edition, 2016
  • Editor, Handbook on the Scope of Antitrust, ABA Section of Antitrust Law, 2015
  • Contributor, 2012 Annual Review of Antitrust Law Developments, ABA Section of Antitrust Law, 2013
  • Senior Editor, Handbook on Multijurisdictional Competition Law Investigations, ABA Section of Antitrust Law, 2010

Media Mentions

Speaking Engagements

  • "B2B Noncompetes and the Rule of Reason," Los Angeles County Bar Association Webinar, October 8, 2020
  • "Joint Conduct 101: Information Exchange," ABA Section of Antitrust Law, Joint Conduct Committee, October 20, 2016

Memberships

Memberships

  • Co-Chair, Books and Treatises Committee, ABA Section of Antitrust Law, 2016-2023
  • Member, Antitrust and Unfair Competition Law Section, State Bar of California
  • Vice Chair, Books and Treatises Committee, ABA Section of Antitrust Law, 2014-2015

Digital Media

Education

J.D., Columbia Law School, 2005, Harlan Fiske Stone Scholar

B.A., University of California, Los Angeles, 2002

Admissions

  • California
  • District of Columbia
  • U.S. Court for the Ninth Circuit
  • U.S. District Court, Central District of California
  • U.S. District Court, Eastern District of California
  • U.S. District Court, Northern District of California
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