Several recent opinions from the U.S. Court of Appeals for the Federal Circuit dramatically have changed the landscape for damages in patent infringement cases. The cases clarify permissible damages and provide more opportunities to challenge patent owners’ damages claims before trial.

Calculating patent damages: In most cases a patent holder receives compensation for infringement of a valid patent through an award of money damages. It comes in the form of a reasonable royalty for the infringer’s use of the invention.