Antitrust Litigation 2025

USA

Canada

United States of America

Washington DC

Law and Practice Contributed by: Robert Houck, William Lavery, Joseph Ostoyich and Leigh Oliver Clifford Chance US

Mexico

Contents 1. Introduction p.271 1.1 Current Framework for Private Antitrust Litigation p.271 1.2 Recent Developments p.271 2. Private Antitrust Claims: Basis and Procedure p.272 2.1 Statutory Basis p.272 2.2 Courts p.272 2.3 Impact of Competition Authorities p.272 2.4 Proof p.273 2.5 Pass-On Defence p.273 3. Limitation Periods and the Duration of Litigation p.273 3.1 Statute of Limitations p.273 3.2 Typical Length of Private Antitrust Litigation p.274 4. Class and Collective Actions p.274 4.1 Statutory Basis p.274 4.2 Opting In or Out p.274 4.3 Direct/Indirect Purchasers p.274 4.4 Class Certification p.275 5. Choice of Jurisdiction p.275 5.1 Rules on Jurisdiction and Applicable Law p.275 6. Disclosure/Discovery p.276 6.1 Disclosure/Discovery Procedure p.276 6.2 Legal Professional Privilege p.276

8. Damages p.279 8.1 Damages: Assessment, Passing On and Interest p.279 9. Liability and Contribution p.279 9.1 Joint and Several Liability p.279 9.2 Contribution p.280 10. Other Remedies p.280 10.1 Injunctions p.280 10.2 Alternative Dispute Resolution p.280 11. Funding and Costs p.280 11.1 Litigation Funding p.280 11.2 Costs p.281 12. Appeals p.281 12.1 Basis of Appeal p.281 13. Looking Forward p.282 13.1 Legislative Trends and Other Developments p.282

6.3 Leniency and Settlement Agreements p.277 7. Witness and Expert Opinions p.278 7.1 Witness Procedure p.278 7.2 Expert Witness Role and Procedure p.278

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