The actor filed the lawsuit in L A County Superior Court, claiming Paloform illegally used his face in advertising on its website as well as its Facebook page and Pinterest account, TMZ reported.
The actor is suing for unspecified damages. He also wants a judge to order the fireplace company to stop using his face.
In the complaint, Law calls himself "one of the most recognized, highly regarded, critically acclaimed, and commercially valuable motion picture actors in the world."