Requirements
1. Power of attorney, (no legalization is required).
2. Specification with claims and abstract (in English, German, French or
Japanese for translation into Chinese).
3. Drawings, if any (two sets of the formal drawings without legend,
and one set with illustration), size 185x260 mm.
4. Certified copy of the basic application, if priority is claimed; can be
filed within three months from the filing date. No translation (which
is only to be filed on request of the State Intellectual Property Office).
5. Assignment of priority rights (only if the applicant of the Chinese
application differs from that of the first application), no legalization.
It can be filed within three months from the filing date, but should be
signed before the filing date of the Chinese patent application.
6. Where a patent application concerns a new microorganism which is
not available to the public, the applicant shall deposit a sample of the
microorganism with an international depositary authority (IDA) under
the Budapest Treaty on or before the Chinese filing date (for a
non-PCT application) or international filing date (for a PCT application),
and provide with the State Intellectual Property Office a receipt of
deposit and the viability report from the IDA within three months from
the Chinese filing date (for a non-PCT application) or the date of entry
into national phase in China (for a PCT application).
PCT applications: time limit for entry into the national phase under PCT
Art. 22 - Chapter I: 30 months; uncler Art. 39(1) - Chapter 11: 30
months.