What are the contents of patent restrictions?
In the patent law, the restrictions on patent rights include the following points: the restrictions on the rights of patentees stipulated in China's patent law are as follows:
(1) No right of refusal, that is, the patentee cannot refuse other socialist public ownership units to exploit their patented inventions.
(2) the right of first use of a patented invention.
(3) Patents exclusively used for scientific research and experiments are not regarded as infringement.
(4) On a foreign means of transport that transits temporarily, the use of relevant patents in the devices and equipment of the means of transport for one's own needs shall not be regarded as patent infringement.
(5) Compulsory license. For a patent for invention or utility model, if the patentee fails to exploit or not fully exploit its invention within three years from the date of granting the patent right without justifiable reasons, the Patent Office may, upon the application of a unit with the conditions for exploitation, allow the unit to exploit its invention without the consent of the patentee, and the unit that has obtained the compulsory license shall still pay the patentee the royalties.
(6) An invention patent of great significance to the national economy or national defense construction may be requisitioned by the state, and the patentee shall be given reasonable compensation.