Amazon tribes asked the US patent and trademark office on Tuesday to revoke a patent granted to an American businessman on their most sacred plant, a vine that grows wild in the jungle. Shamans of
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/amazon-tribes-fighting-us-patent-most-sacred-vine
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health