Written by Mark Terry                In one of the more interesting decisions on this Friday, the Board of Patent Appeals and Interferences (BPAI) affirmed an Examiner’s rejection based on the Appellant forgetting to argue that the Examiner erred. This Quick Post highlights the basics of responding to Examiner rejections. Recall that “the Patent Office has the initial duty of supplying the factual basis for its rejection. It may not . . . resort to speculation, unfounded assumptions or hindsight reconstruction to supply deficiencies in its factual basis.” In re Warner, 379 F.2d 1011, 1017 (CCPA 1967). The allocation of burdens requires that the USPTO