Copyright "Copyright Law"
Article 20 The term of protection of an author's right of authorship, right of revision and right to protect the integrity of a work is unlimited.
Article 21 The protection period of citizens' right of publication and the rights stipulated in Item (5) to Item (17) of Paragraph 1 of Article 10 of this Law shall be the author's life and fifty years after his death, and shall end on 65438+February 3 1 day in the fiftieth year after his death; If it is a cooperative work, the deadline is 65438+February 3 1 50 years after the death of the last dead author.
The term of protection for the works of legal persons or other organizations, as well as the post works enjoyed by legal persons or other organizations, and the rights specified in Item (5) to Item (17) of Paragraph 1 of Article 10 of this Law is fifty years, ending at 65438+February 3 1 day in the fiftieth year after the first publication of the works, but the works have not been published within fifty years after the completion of the creation.
For cinematographic works and works created by similar cinematographic or photographic methods, the term of protection of the right of publication and the rights stipulated in Items (5) to (17) of Paragraph 1 of Article 10 of this Law is fifty years, ending at 65438+February 3 1 day in the fiftieth year after the first publication of the works. However, if the work is not published within 50 years after the creation is completed, this law will no longer protect it.
patent law
Article 42 The term of patent right for invention is 20 years, and the term of patent right for utility model and patent right for design is 10 years, counting from the date of application.
Article 43 The patentee shall pay the annual fee from the year when the patent right is granted.
Article 44 In any of the following circumstances, the patent right shall be terminated before the expiration of the time limit:
(a) failing to pay the annual fee in accordance with the provisions; (2) The patentee waives his patent right in writing.
Trademark law
Article 37 The period of validity of a registered trademark is ten years, counting from the date of approval of registration.
Article 38 Where it is necessary to continue to use a registered trademark after its expiration, it shall apply for renewal of registration within six months before its expiration. Failing to apply within this time limit, a grace period of 6 months may be granted. If no application is made at the expiration of the exhibition period, its registered trademark shall be cancelled.
Each renewal of registration is valid for ten years.
After the renewal of registration is approved, it shall be announced.