Correct option is B
Eastern Book Co. Vs. DB Modak (2006): Established the minimum creativity test for copyright works (II).
· Bayer Corporation vs Union of India: Related to compulsory licensing of patents (IV).
· R.G. Anand Vs Deluxe Films (1978): Concerned with the idea-expression dichotomy in copyright law (I).
· N.R. Dongre Vs Whirlpool Corp. (1995): Focused on the prior use test in trademarks (III).