https://www.epo.org/en/node/numbering-system

Numbering system – Russian Federation (RU)

Document types and kindcodes

Patents

Kind code A 

  • published application for invention

Kind code A3 

  • published information search report  (from 2017 onwards)

Kind code C1 

  • published patent on invention
  • issued without the preceding publication of the application (first publication)

Kind code C2 

  • published patent on invention
  • issued after the preceding publication of the application

    Kind code C3

    • supplementary patent granted for patent term extension (from 2017 onwards)
    • granted under new patent number different then original patent

    Kind code C8 

    • reissue
    • corrected version of first page of the patent for invention

    Kind code C9 

    • reissue
    • corrected version of description of the patent for invention

    Utility models

    Kind code U1

    • published utility model patent

    Designs

    Kind code - none

    Number formats

    Patents

    yyyynnnnnn application numbers
    (from 2000 onwards)

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

    yynnnnnn application numbers
    (between 1992 and 2000)

    • two digits for the year (y)
    • six digits for the serial number (n)

    yyyynnnnnn number of published patent application
    (from 2000 onwards)

    • four digits for the year (y)
    • six digits for the serial number (n)
    • application number = number of published patent application 

    yynnnnnn number of published patent application
    (between 1992 and 2000)

    • two digits for the year (y)
    • six digits for the serial number (n)
    • application number = number of published patent application 

    nnnnnnn number of published patent

    • up tp seven digits for the serial number (n)

    Utility models

    yyyynnnnnn application numbers
    (data in Open Registers available since 2007)

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

    nnnnnnn published utility model patent

    • up tp six digits for the serial number (n)

    Designs

    yyyynnnnnn application numbers
    (data in Open Registers available since 2007)  

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

    nnnnnnn published design patent

    • up to six digits for the serial number (n)