Here is informative article on patents on life: 8 things you should know about Patents on Life
Dr. Mae-Wan Ho, “Why Biotech Patents Are Patently Absurd –
Scientific Briefing on TRIPs and Related Issues,” 2001.
The Supreme Court case which gave the right to patent life forms: Diamond v. Chakrabarty. The Supreme Court case was argued on March 17, 1980 and decided on June 16, 1980. The patent was granted by the USPTO on Mar 31, 1981.[