U.S. patent law encourages patent owners to mark products or services that are covered by at least one claim of a patent. Therefore patent marking is an important step in ensuring a strong patent enforcement position if infringement occurs. The America Invents Act now allows “virtual patent marking” as explained below.
Reason for Marking
Section 287 of Chapter 25 of the U.S. Code provides that if a patent owner fails to mark its patented invention, then the damages will be limited to those arising after the infringer was notified of the infringement. However, if the invention is marked, then the patent owner will be able to get damages back to the start of the infringement (subject to any applicable statute of limitations).
Therefore, lets see what happens if the invention …