How can I check if the USPTO is officially closed on a particular day?
To find out if the USPTO is officially closed on any particular day, you can:
- Call 1-800-PTO(786)-9199
- Call (571) 272-1000
These phone numbers are provided in MPEP 510 for obtaining information about USPTO closures.
Topics:
MPEP 500 - Receipt and Handling of Mail and Papers,
MPEP 510 - U.S. Patent and Trademark Office Business Hours,
Patent Law,
Patent Procedure