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Patent Law FAQ

This FAQ answers all your questions about patent law, patent procedure, and the patent examination process.

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Here’s the complete FAQ:

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What are the official business hours of the USPTO?

The official business hours of the U.S. Patent and Trademark Office (USPTO) are:

  • 8:30 a.m. to 5:00 p.m., Monday through Friday
  • Excluding federal holidays in the District of Columbia

As stated in MPEP 510: “The U.S. Patent and Trademark Office (USPTO or Office) working hours are 8:30 a.m. to 5:00 p.m., Monday through Friday, excluding federal holidays in the District of Columbia.”

Topics: MPEP 500 - Receipt and Handling of Mail and Papers, MPEP 510 - U.S. Patent and Trademark Office Business Hours, Patent Law, Patent Procedure
Tags: business hours, patent office hours, USPTO hours
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