sentences:  Linn served as a patent adviser in the Office of Naval Research of the Naval Air Systems Command from 1971 to 1972.He specialized in patent and intellectual property law in private practice at the law firms of Marks & Murase, and Foley & Lardner.Linn was nominated by President Bill Clinton on September 28, 1999, to a seat on the United States Court of Appeals for the Federal Circuit vacated by Judge Giles Rich.