Numbering system - Chinese Taipei (TW)

DOCUMENT TYPES AND KIND CODES


GONGKAI (A) - enlarge

laid-openPublicationSm.gif

  • unexamined patent publication (>2003)

GONGGAO HEZHUN - enlarge

examinedPatentPublicationSm.gif

  • examined patent publication (<2004)
  • examined utility model publication (<2004)

GONGGAO FAZHENG (B/U) - enlarge

grantedPatentPublicationSm.gif

  • granted patent publication (>2004)
  • registered utility model publication (>2004)

NUMBER FORMATS

(y)yy t nnnnn application numbers

  • two digits for the Republican year* (y)
  • one digit for the type of right (t)
  • five digits for the serial number (n)

* Conversion rule for Republican years:
Republican year + 1911 = Western year (example: Republican year 98 = 2009)

Note: from 2011 (= Republican year 100) onwards, the year part in the application numbers will comprise three digits.

yyyy nnnnn unexamined publication numbers

  • four digits for the Western year (y)
  • five digits for the serial number (n) 


nnnnnn examined publication numbers

  • six digits for the serial number (n)


t nnnnnn grant numbers

  • one digit for the type of right (t)
  • six digits for the serial number (n)

Types of patent right (t)

application numbers:
1 - invention patent
2 - utility model
3 - design

grant numbers:
I - invention patent
M - utility model
D - design

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