Biohaven Pharmaceutical announced that the USPTO issued a patent relating to troriluzole. Biohaven's patent is directed to the composition of matter of troriluzole, a novel prodrug of a glutamate modulator, as well as other compounds, pharmaceutical compositions and methods of treating diseases including, for example, neurological disorders such as Alzheimer's disease, generalized anxiety disorder, social anxiety disorder, and depression. The U.S. patent is not expected to expire before February 26, 2036.