The types of patent documents should be filled in according to the following table, for example, if the patent is reprinted, fill in E.
Type code, type and description of patent documents
A 1, patent application is open, and it is open before authorization.
A2。 Patent application is open (re-open), and it is open before authorization.
A9. Patent application shall be made public (revised) before authorization.
B 1, patent, unpublished before authorization.
B2, patent, made public before authorization.
C 1/C2/C3, and then review the certificate. The original code B 1/B2 is now used to grant patents.
E, re-released patents, no change.
H inventions registered according to law shall not be changed.
P 1, the plant patent application is open, and it is open before authorization.
P2 is a plant patent, which was not published before authorization.
P3, a plant patent, was published before it was authorized.
P4。 The plant patent application is open (re-open), and it is open before authorization.
P9。 Publication of plant patent application (amendment), before authorization.
America, design patent, no change.