What is a Joint Patent Owner?

            When only one person is listed as the inventor of a patent and that patent has not been assigned to anybody else, the listed inventor is an individual owner and owns all the rights to the patent. When two or more people are listed on the patent application as inventors they are known as Joint Owners. Joint Owners of the patent have the same rights as individual owners except their rights are not exclusive, they share those rights with the other joint owners. An important note on Joint Ownership from the Manual for Patent Examination Procedure (MPEP): “In the absence of any agreement to the contrary, each of the joint owners of a patent may make, use, offer to sell, or sell the patented invention within the United States, or import the patented invention into the United States, without the consent of and without accounting to the other owners.”