Honigman has been very active in antitrust matters in the sports and entertainment industries. Representative cases include the following:
- Easton v. NCAA. Claim of antitrust violations by National Collegiate Athletic Association through restrictions on use of bats in NCAA competition.
- In re: Motorsports Merchandise Antitrust Litigation. Defense of a class action alleging price fixing in the sale of merchandise at NASCAR races.
- Indianapolis Motor Speedway v. Championship Auto Racing Teams, Inc. Defense of antitrust claims arising out of dispute between rival auto racing leagues.
- Full Draw Productions v. Easton Sports, Inc. Defense of claim of group boycott in connection with archery trade show.
- Onekama v. Grand Traverse Marine. Defense of claim of boycott in connection with boat show.
- Mike's Train House v. Lionel Trains. Defense of monopolization claim with respect of the sale of model trains.
- Kerasotes v. National Amusements. Honigman brought antitrust claims on behalf of a regional theater chain, alleging that the National Amusements theater chain conspired with major national film distributors to obtain exclusive first run showings of films.
- Baum v. Hillerich & Bradsby Co. Defense of antitrust claims related to sale of baseball bats.
- Lundsford v. Callaway Golf Co. Defense of purported class action alleging resale price maintenance in the sale of golf clubs.
- L.G. Motorsports, Inc. v. NGMCO, Inc. Allegation of unlawful refusal to deal with auto racing team.
- McCourt v. California Sports. Defense of challenge to hockey free agency rules.