Inventor Country Field (ICN)
Use the inventor country field to search for patents where at least one named inventor is from that country. The field code is ICN.
Note - use the two-digit ISO 3166 country codes in the ICN field. In other words, if you want to pull up German documents, use DE. Using Germany or Deutschland will not return any results.
Examples
- ICN:FR --> Finds patents and applications where at least one inventor listed on the document is from France.
- ICN:(US OR CA OR MX) --> Finds documents where at least one listed inventor is from North America, specifically the US, Canada, or Mexico.
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