These sources may be helpful:
American Bar Association Antitrust Section, Model Jury Instructions in Civil Antitrust Cases (A.B.A., Chicago, Ill., 2005) (out of print). This source contains instructions for Sherman Act § 1 and § 2 and antitrust patent instructions. In addition, the American Bar Association Section on Antitrust Law has compiled antitrust jury instructions that have been used in trials, which can be accessed at:
Kevin F. O’Malley, et al., 3A Federal Jury Practice and Instructions, ch. 150 Antitrust—Private Action (6th ed. 2012).
Leonard B. Sand, et al., 4 Modern Federal Jury Instructions–Civil (Matthew Bender, 2015 ), ch. 79, ¶ ¶ 79.01–79.08 (Restraint of Trade); ch. 80, ¶ ¶ 80.01–80.03 (Monopolization); ch. 81, ¶ ¶ 81.01–81.04 (Patent Based Antitrust Claims)