Patent Number

 A Patent Number is assigned by the USPTO. A patent number may include up to eight characters and is formatted as follows:

  • Utility : Patent numbers consist of six, seven or eight digits. Enter the Patent number excluding commas and spaces and omit leading zeroes.
     
  • Reissue : (e.g., Rennnnnn, RE000126) must enter leading zeroes between "RE" and number to create 6 digits.
     
  • Plant Patents :(e.g., PPnnnnnn, PP000126) must enter leading zeroes between "PP" and number to create 6 digits.
     
  • Design : (e.g., Dnnnnnnn, D0000126) must enter leading zeroes between "D" and number to create 7 digits.
     
  • Additions of Improvements : (e.g., AInnnnnn , AI000126AI) must enter leading zeroes between "AI" and number tocreate 6 digits.
     
  • X Patents : (e.g., Xnnnnnnn , X0000001) must enter leading zeroes between "X" and number to create 7 digits.
     
  • H Documents : (e.g., Hnnnnnnn , H0000001) must enter leading zeroes between "H" and number to create 7 digits.
     
  • T Documents : (e.g., Tnnnnnnn , T0000001) must enter leading zeroes between "T" and number to create 7 digits.