The Patent number: box in blue above expects only an optional leading Patent Type (RE D AI or X), digits, and optional commas.
Alternatively, digits. optional commas and a trailing X (pre-1836) is allowed. Examples: X36 36X D3,662 AI202 RE2,084 16,642
Also allowed are the following wildcard characters:
- '%' matches any sequence of digits
- '_' matches any single digit
Non US patents can be found by entering the patent number with or without the country code.
Example: GB-25,592 can be found by entering the digits 25592 or GB-25,292 or GB25,292.
All non US patents can be found here.
