1, the copyright is generally fifty years, but the protection period of the right of signature, modification and protection of the integrity of the work is not limited;

2. Among the patents, the term of the invention patent is 20 years, the term of the utility model patent is 10 years, and the term of the design patent is 15 years;

3. The trademark right is ten years;

4. Validity period of other intellectual property rights.

legal ground

Article 22 of the Copyright Law of People's Republic of China (PRC)

The term of protection of the author's right of authorship, modification and protection of the integrity of the work is unlimited.

Article 23

The term of protection of a natural person's work, the 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, ending at 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.

Article 42 of the Patent Law of People's Republic of China (PRC)

The term of patent right for invention is 20 years, the term of patent right for utility model is 10 year, and the term of patent right for design is 15 year, all of which are counted from the date of application.