Explores the historical development of trademark law, trademark rights, trademark registration, infringement, special defenses, and unfair competition law. Course Information: Same as IP 400. Previously listed as JD 403/IP 403. Prerequisite(s): JD 401 and JD 405 and JD 406 and JD 407 and JD 411 and JD 414 and JD 415 and JD 416; and LAW 402 or LAW 403 or LAW 404; and LAW 412 or LAW 413.