The invention patent is 20 years. Article 42 of the Patent Law stipulates that "the term of the invention patent right is 20 years, and the term of the utility model patent right and the design patent right is 10 years, both of which are counted from the date of application." The period of validity of a registered trademark is ten years, but it can be renewed when it expires, and there is no limit on the number of renewals, so it can be valid forever. Article 23 of the Trademark Law A registered trademark shall be valid for ten years, counting from the date of approval of registration. Article 24 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. The above is the answer to the protection period of trademark rights.