Patent case: LiquidPower Specialty Products Inc. v. Baker Hughes Inc., USA
Substantial evidence did not support the Patent Trial and Appeal Board’s finding that patentee LiquidPower Specialty Products Inc. (“LSPI”) failed to establish nexus, and thus the PTAB erred in not weighing LSPI’s objective evidence of non-obviousness in its decision invalidating a patent related to polymers added to crude oil, the U.S. Court of Appeals for…