Trustee. Patent rights refer to the state granting the inventor or designer within a certain period of time according to legal procedures based on the application of the inventor or designer, on the premise that the content of the invention and creation is disclosed to the public and the invention and creation has benefits for society that comply with legal provisions. an exclusive right. Patent rights are a type of intellectual property, so they also have the characteristics of intellectual property, namely temporality, regionality, intangibility, and exclusivity. In China, if the patent application right and patent right ownership are not clearly stipulated in the entrusted invention agreement, then according to the provisions of the Patent Law of the People's Republic of China, the rights and interests belong to the trustee (that is, the party who completes the invention and creation). Therefore, the right to apply for a patent without any agreement in the patent application belongs to the trustee.