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Patent and Trademark Office
Final rules
The 4 newest final rules from Patent and Trademark Office. It made 4 final this year.
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Final rules
Rule
Published
Effective date
International Trademark Classification Changes
Aug 26
Jan 1, 2027
References to Electronic Filing Systems in Rules of Practice in Filings Pursuant to the Protocol Relating to the Madrid Agreement Concerning the International Registration of Marks
Jul 15
Jul 15
Conditions for Additional Information and Fee in Petitions Filed in Patent Applications and Patents Based on Unintentional Delay
Jun 24
Aug 13
Required Use by Foreign Applicants and Patent Owners of a Patent Practitioner
Mar 20
Jul 20