They usually argue that the patent is not on the biological matter itself but the process involved in using it. This book touches a bit on this when it discuss

They usually argue that the patent is not on the biological matter itself but the process involved in using it. This book touches a bit on this when it discusses the history of genentech and insulin synthesis. http://www.simonandschuster.com/books/The-Gene/Siddhartha-Mukherjee/9781476733500 http://www.simonandschuster.com/books/The-Gene/Siddhartha-Mu...