If a US patent is published prior to 2001 do I use Kind Code "A" or "B1/B2" on my patent?


No reason to even include the document type. If you do, use the designation that appears on the face of the document you are looking at.

| improve this answer | |

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.