Patent belongs to a kind of intellectual property, so it also has the characteristics of intellectual property, that is, regional exclusiveness of practicality. Timeliness means that the exclusive right of the patentee is only valid within the legal time. After the expiration of the time limit, the patentee no longer enjoys the exclusive right to the invention-creation, and the invention-creation originally protected by law becomes social public wealth that any unit or individual can use for free.
Patent holder of cooperative invention
The patentee of a cooperative invention is usually the unit or individual who has completed the patented invention. Co-invention, also known as * * * simultaneous invention, refers to the invention and creation completed by two or more units or individuals. Unless otherwise agreed in the agreement, the right to apply for a patent shall be shared by the units or individuals who have completed the cooperation. After the application is approved, the applicant unit or individual shall be the patentee.