Party A is the demander, Party B is the service party, and Party C is the referee. Party A is an enterprise, a scientific research institute, or a private inventor. It is the one who generates and applies intellectual property rights. Enterprises are the main ones, followed by scientific research institutes. Party B is a patent and trademark agency, a law firm, a database service provider, and an operation and management consulting company. In principle, the notary office should also be considered Party B, serving Party A, as well as the investigation company. Party C is a government department, including the State Intellectual Property Office, Trademark Office, Copyright Office, courts, administrative agencies, and arbitration committees.