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URL: Location: HomePatentePatentinformationPatentinformation aus OstasienVirtuelles HelpdeskChinaNummerierungssystem

Nummerierungssystem - China

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DOCUMENT TYPES AND KIND CODES

PATENTS:

GONGKAI - enlarge

Gongkai

  • unexamined patent publication (A)
 
 
SHENDING GONGGAO - enlarge
  • examined patent publication (before 1993) (B)
 
 
SHOUQUAN GONGGAO - enlarge
  • granted patent publication (1993 - date) (C)
 
 
UTILITY MODELS AND DESIGNS:
 
GONGGAO - enlarge
  • pre-grant utility model publication (before 1993) (U)
  • pre-grant design publication (before 1993) (S)
 
 
SHOUQUAN GONGGAO - enlarge
  • registered utility model publication (1993 - date) (Y)
  • registered design publication (1993 - date) (D)

NUMBER FORMATS

 
yyyy t nnnnnnn.n application numbers

  • four digits for the year (y)
  • one digit for the type of patent right (t)
  • seven digits for the serial number (n)
  • one check digit (.n)

(before October 2003: yy t nnnnn.n)

t nnnnnn publication numbers

  • one digit for the type of patent right (t)
  • six digits for the serial number (n), no year

(since August 2007: t nnnnnnnn)

Types of patent right (t)

1 - patent for invention
2 - patent for utility model
3 - patent for design
8* - PCT application (patent) entering national phase in China
9* - PCT application (utility model) entering national phase in China
 
(* types 8 and 9 are only used in application numbers) 
 

© European Patent Office.Impressum.Nutzungsbedingungen..Letzte Aktualisierung: 3.10.2008