Code (usually a 2-character alphabetic code) that names a country. This is information that can be used to identify a country that granted a patent or to provide a machine-comparable form of the name of a country as an addition to the content of the <country> element.
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | A standardized abbreviation for a country (for best practice, the ISO 31660-1 2-letter alphabetic codes) |
| Restriction: This attribute may be specified if the element is used. | |