How many years is the duration of intellectual property protection?

Legal analysis: the term of protection of intellectual property rights, the term of protection of trademark rights in intellectual property rights is ten years, which can be extended once every ten years. The term of patent right for invention is twenty years, and the term of patent right for utility model and patent right for design is ten years. The term of protection of copyright is generally fifty years.

Legal basis: Article 37 of the Trademark Law is valid for ten years, counting from the date of approval of registration.

Article 38 of the Trademark Law: If a registered trademark needs to continue to be used 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.