8Sony Corp. of America v. Universal City Studios, Inc. , 464 US 417 (1984).
9Sega Enterprises Ltd v. Maphia, 948 F, Supp, 923 (N. D, Cal, 1996).
10See Nimmer on Copyrights § 12.04 (Matthew Bender & Co. ; 1997). Casella v. Morris, 820 F. 2d 362, 365 (11th Cir. 1987) ; Universal City Studios, Inc. v. Nintendo Co. Ltd. 797 F. 2d 70 (2ad Cir. 1986).