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Cortlin Lannin is a litigator who specializes in defending clients in high-stakes complex matters, including class action cases. He focuses primarily on consumer and antitrust cases, including consumer cases implicating deceptive and false advertising practices under California’s Section 17200 and other states’ unfair competition laws. Mr. Lannin has deep experience with all facets of class action practice, including motions practice, discovery, class certification, trials, and appeals. He has been named a “Rising Star” in Antitrust Litigation by Super Lawyers magazine for seven consecutive years.

Mr. Lannin is a co-chair of Covington’s LGBT+ Affinity Group and is deeply involved in the firm’s efforts to recruit, mentor, and promote diverse attorneys, including LGBT+ attorneys.

  • Currently representing a multinational consumer products company defending advertising and unfair competition claims in several states.
  • Represented multiple animation and visual effects studios in class action litigation challenging alleged “no poach” agreements.
  • Currently representing an automobile parts manufacturer in class action litigation alleging global price-fixing conspiracy among auto parts suppliers. Previously represented a different client in same MDL, achieving client’s dismissal on personal jurisdiction grounds.
  • Currently representing large national bank in multiple class action cases challenging practices and disclosures related to posting of debit-card transactions.
  • Represented an international airline in class action litigation concerning alleged price-fixing of passenger fares and fuel surcharges.
  • Represented online travel agency in class action litigation alleging antitrust violations in the market for online hotel bookings, achieving dismissal at pleading stage.
  • Represented maker of joint health supplements in false advertising class action litigation.

Pro Bono

  • Represented an individual incarcerated in California state prison and asserting Section 1983 excessive force claims. 
  • Represented client in Ninth Circuit appeal of adverse district court ruling on employment discrimination claims.
  • Wrote and submitted amicus curiae brief in the United States Supreme Court supporting a non-discrimination policy adopted by the University of California, Hastings College of the Law.
  • Northern California Super Lawyers, Antitrust Litigation "Rising Star" (2013-2019)