From 1997 to 1998, she served as a law clerk to Judge Alvin Anthony Schall of the United States Court of Appeals for the Federal Circuit.

Her practice focused on patent litigation, primarily in the consumer electronics, computers, software and medical device industries.

She represented clients at both the trial and appellate levels and served as lead counsel on a number of cases before the United States Court of Appeals for the Federal Circuit.

[1] On November 12, 2014, President Barack Obama nominated Stoll to serve as a United States Circuit Judge of the United States Court of Appeals for the Federal Circuit, to the seat vacated by Judge Randall Ray Rader, who retired on June 30, 2014.

[9] Her opinion in Advanced Steel Recovery v. X-Body Equipment, 808 F.3d 1313 (2015) is highly cited for elaborating on the doctrine of equivalents, to include requiring the infringing patented product to "perform in substantially the same way as the claimed invention.