Owning a patent: Multiple Choice Gives its owner an exclusive right to manufacture and sell a device or to use a process for 50 years. Gives the owner exclusive rights to manufacture and sell a patented item or to use a process for 20 years. Gives the owner the exclusive right to publish and sell a musical or literary work during the life of the creator plus 70 years. Gives its owner the exclusive right to publish and sell a musical or literary work during the life of the creator plus 17 years. Indicates that the value of a company exceeds the fair market value of a company's net assets if purchased separately.