(February 9, 2017, 2:00 PM EST) -- ALEXANDRIA, Va. — Despite previously instituting inter partes review (IPR), the Patent Trial and Appeal Board on Feb. 3 in a final written decision upheld all challenged claims of a patent covering individually formed footwear (Zero Gravity Inside Inc. v. Footbalance System OY, No. IPR2015-01769, PTAB)....