A Patent Number is assigned by the USPTO. When searching for a patent, the patent number must include at least seven (7) characters and is formatted as follows:
- Utility : Patent numbers consist of seven or more digits. Enter the Patent number excluding commas and spaces and include leading zeroes to make at least seven (7) digits. For example:
- U.S. Patent Number ‘5778’ should be entered as 0005778
- U.S. Patent Number 12,156,579 should be entered as 12156579
- Reissue : (e.g., Rennnnn, RE00126) must enter leading zeroes between "RE" and number to create at least 7 characters.
- Plant Patents :(e.g., PPnnnnn, PP00126) must enter leading zeroes between "PP" and number to create at least 7 characters.
- Design : (e.g., Dnnnnnn, D000126) must enter leading zeroes between "D" and number to create at least 7 characters.
- Additions of Improvements : (e.g., AInnnnn , AI00126) must enter leading zeroes between "AI" and number to create 7 characters.
- X Patents : (e.g., Xnnnnnn , X000001) must enter leading zeroes between "X" and number to create 7 characters.
- H Documents : (e.g., Hnnnnnn , H000001) must enter leading zeroes between "H" and number to create 7 characters.
- T Documents : (e.g., Tnnnnnn , T100001) must enter leading zeroes between "T" and number to create 7 characters.