Legal basis: Article 15 of the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC).
To apply for a patent in writing, the applicant shall submit the application documents in duplicate to the patent administration department of the State Council.
To apply for a patent in other forms prescribed by the administrative department for patent in the State Council, the prescribed conditions shall be met.
Where the applicant entrusts a patent agency to apply for a patent and handle other patent affairs with the patent administration department of the State Council, it shall also submit a power of attorney, indicating the authorization authority.
If there are more than two applicants who have not entrusted a patent agency, unless otherwise stipulated in the request, the first applicant specified in the request shall be the representative.