The Honorable William C. Bryson was formerly a Deputy Solicitor General of the United States. He argued many times before the Supreme Court of the United States between 1980 and 1994. I couldn’t find any patent, trademark, or copyright cases that Judge Bryson argued. Most of his cases seemed to have dealt with criminal procedure.
Here’s Judge Bryson arguing in Evans v. United States, 504 U.S. 255 (1992): [Listen].