In 1997, the US corporation RiceTec (a subsidiary of RiceTec AG of Liechtenstein) attempted to patent certain hybrids of basmati rice and semidwarf long-grain rice. The Indian government challenged this patent and, in 2002, fifteen of the patent's twenty claims were invalidated.
In 1997, the US corporation RiceTec (a subsidiary of RiceTec AG of Liechtenstein) attempted to patent certain hybrids of basmati rice and semidwarf lon.g-grain rice The Indian government challenged this patent and, in 2002, fifteen of the patent's twenty claims were invalidated.