! Azadirachta indica ! Source of Neem Oil
" Anthelmintic, antifungal, antibacterial, antiviral, antidiabetic, contraceptive and sedative
! 1995: USDA and US pharmaceutical firm (WR Grace) receive patent on extraction technique of neem oil.
! Indians concerned it would be extended to the properties of the tree itself.
! Indian gov't submits a legal challenge
! WR Grace claims traditional Indian knowledge of neem properties had never been published in an academic journal, and thus did not amount to "prior art."
! Public outcry#May 10, 2000, the patent is revoked. Appeal lost in 2005.