Chapter ii us copyright office library of congress subchapters a b chapter iii copyright royalty board library of congress subchapters a e chapter iv national institute of standards and technology department of commerce parts 400 502 599. Code of federal regulations title 37 patents trademarks and copyrights revised as of july 1 1978 containing a codification of documents of general applicability and future effect as of july 1 1978 with ancillaries by united states office of the federal register. Title 37 of the electronic code of federal regulations title 37 of the electronic code of federal regulations toggle navigation ecfr. On july 31 2019 the united states patent and trademark office published in the federal register a final rule amending the regulations to mandate electronic filing of trademark applications and all submissions associated with trademark applications and registrations and to require the designation of an email address for receiving uspto correspondence with limited exceptions that final rule . Title 37 code of federal regulations patents trademarks of congress
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