Antitrust and Unfair Trade Practices

Federal and state antitrust laws aim to ensure fair competition and integrity in the marketplace. Antitrust violations include unlawful monopolization and collusion to fix prices, rig bids and allocate markets, among other anticompetitive conduct. State unfair trade practice laws seek to protect businesses and consumers from unfair business practices.

Spiro, Harrison & Nelson attorneys have experience representing clients nationwide in high-stakes antitrust and unfair trade practices litigation and alternative dispute resolution matters.

Spiro Harrison & Nelson attorneys’ antitrust experience spans an array of industries, including the agricultural, automotive, consumer product, construction, financial, health and pharmaceutical, and travel sectors, among others.

Antitrust Litigation

Spiro, Harrison & Nelson attorneys have extensive experience representing plaintiffs (businesses, consumers, and governmental entities) and defendants in complex antitrust litigation, including class action, individual, and competitor matters.

Spiro Harrison & Nelson attorneys currently represent clients in multiple antitrust class actions seeking to obtain compensation for purchasers who paid more than they should have paid for goods and services as a result of antitrust law violations.

Representative Matters:


  • In re Generic Drug Pricing Antitrust Litigation (E.D. Pennsylvania)

Multidistrict antitrust class action litigation on behalf of end-payor plaintiffs, including union health and welfare funds, municipalities, and other self-insured entities, alleging a market allocation and price-fixing conspiracy among some of the largest generic drug manufacturers, which caused significant artificial price increases of generic drugs.

  • In re Passenger Vehicle Replacement Tires Antitrust Litigation (S.D. New York)

Antitrust class action on behalf of direct purchasers of replacement tires alleging a price-fixing conspiracy among large tire manufacturers.

  • In re Eyeware Antitrust Litigation (D. Minnesota)

Antitrust class action on behalf of consumers against eyeware conglomerate EssilorLuxottica S.A. and affiliated entities alleging that they unlawfully monopolized the eyeware market.

  • Lambrix et al. v. Tesla, Inc. (N.D. California)

Class action on behalf of Tesla owners alleging that Tesla monopolized the aftermarket for repairs and service of Tesla vehicles.


Michelle C. Clerkin