TY - GEN ID - 4223 KW - Trademark infringement. KW - Trademarks. KW - MARKS : INFRINGEMENT T1 - Incontestable trademark rights and equitable defenses in infringement litigation. TI - Incontestable trademark rights and equitable defenses in infringement litigation. VL - 1985 Vol 75 No 2 pages 158-179 ER -