(July 19, 2018, 9:47 AM EDT) -- ALEXANDRIA, Va. — A patent issued in October 2017 and assigned to The Broad Institute Inc., Presidents and Fellows of Harvard College, and Massachusetts Institute of Technology covers “an incredibly broad and vast genus” of proteins encompassing “a virtually unknowable number of molecules,” Benson Hill Biosystems Inc. asserts in a July 17 petition for post-grant review by the Patent Trial and Appeal Board (Benson Hill Biosystems Inc. v. The Broad Institute Inc., et al., No. PGR2018-00072, PTAB)....