Legal basis: patent agency regulations
Article 2 Patent agency as mentioned in these Regulations refers to the acts of patent agencies accepting entrustment, handling patent applications and declaring patent rights invalid in the name of the principal within the scope of agency authority.
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.