(October 12, 2020, 1:47 PM EDT) -- ALEXANDRIA, Va. — In an Oct. 10 petition for inter partes review, NVIDIA Corp. tells the Patent Trial and Appeal Board that it should cancel a patent directed to parallelizing mathematical functions across several processors because peer-to-peer communication in the prior art was “commonplace” (NVIDIA Corp. v. Advanced Cluster Systems Inc., No. IPR2021-00020, PTAB)....