CN - Chinese Publication and Application Numbers
In general, Chinese publication numbers (公开号; 授权公告号) can be imported in the same format as they are stated in the original patent specifications.
To import Chinese patent numbers (专利号), replace “ZL” by “CN.” If the kind code is “.X,” delete this kind code.
To import Chinese application numbers (申请号), add the country code “CN.”. If the kind code is “.X,” delete this kind code.
CN (China) - Overview of Importable Number Formats
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Unexamined Patent Publication Numbers (公开号) Type of right (“t”): patent = 1; utility model = 2; design = 3; PCT application= 8, 9 |
Importable Format | Comments |
| CN t123456A (before 08/2007) |
CNt123456A CNt123456.A |
|
| CN t12345678.A (after 08/2007) |
CNt12345678A CNt12345678.A |
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Examined Patent Publication Numbers (授权公告号) Type of right (“t”): patent = 1; utility model = 2; design = 3; PCT application= 8, 9 |
Importable Format | Comments |
| CN t123456n (before 08/2007) |
CNt123456n CNt123456.n |
•A decimal point “.” preceding the kind code (“n”) may be added |
| CN t12345678n (after 08/2007) |
CNt12345678n CNt12345678.n |
| Patent Numbers (专利号) | Importable Format | Comments |
| ZL yy123456.n (before 30/09/2003) |
CNyy123456.n | • Replace “ZL”* by the country code “CN” • If the kind code is “.X,” delete the kind code |
| ZL yyyy12345678.n (since 01/10/2003) |
CNyyyy12345678.n | |
| * “ZL” is an abbreviation for the Chinese term for “patent” (专利; zhuānlì). | ||
|
Application Numbers (申请号) Type of right (“t”): patent = 1; utility model = 2; design = 3; PCT application= 8, 9 |
Importable Format | Comments |
| yyt12345.n (before 10/2003) |
CNyyt12345.n | • Add the country code “CN” • If the kind code is a number, a decimal point “.” is necessary • If the application number does not have a kind code, no kind code needs to be added • If the kind code is “.X,” delete the kind code |
| yyyyt1234567.n (after 10/2003) |
CNyyyyt1234567.n | |
| yyt12345 (from 1985 to 1988) |
CNyyt12345 | |
| yyt1234567. X (kind code is “.X”) |
CNyyt1234567 | |
| yyt12345. X (kind code is “.X”) |
CNyyt12345 |
| Chinese International Application Numbers | Importable Format | Comments |
| PCT/CNyyyy/012345 | WOyyyyCN12345 | • Replace “PCT” by “WO” • If the year consists of two digits (yy), convert into 4 digits (yyyy) Example: 91 → 1991 • Place the country code “CN” after the year • The serial number must have exactly 5 digits o delete zero(s) if the serial number has 6 or more digits o add zero(s) if the serial number has 4 or fewer digits |
| PCT/CNyyyy/1234 | WOyyyyCN01234 | |
| PCT/CNyy/00012 | WOyyyyCN00012 |
To know more about other authorities pls click Importable Number Format