Legal basis: Article 26 of the Patent Law of People's Republic of China (PRC), when applying for a patent for invention or utility model, a request, specification, abstract, patent right and other documents shall be submitted.
Patent agency regulations
Article 3 Any unit or individual may apply for a patent and handle other patent affairs in China by itself or by entrusting a patent agency established according to law, except as otherwise provided by law. Patent agencies shall accept the entrustment of clients to handle patent affairs.
Article 4 Patent agencies and patent agents shall abide by laws and administrative regulations, abide by professional ethics and practice discipline, and safeguard the legitimate rights and interests of clients. Patent agencies and patent agents practicing according to law are protected by law.