Patent Law FAQ
This FAQ answers all your questions about patent law, patent procedure, and the patent examination process.
Here’s the complete FAQ:
MPEP 500 - Receipt and Handling of Mail and Papers (2)
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.
When the entire USPTO is officially closed for business for an entire day due to adverse weather or other causes:
- The day is considered a “Federal holiday within the District of Columbia” under 35 U.S.C. 21
- Any action or fee due on such a day may be taken or paid on the next succeeding business day the Office is open
MPEP 510 states: “When the entire USPTO is officially closed for business for an entire day, for reasons due to adverse weather or other causes, the Office will consider each such day a ‘Federal holiday within the District of Columbia’ under 35 U.S.C. 21. Any action or fee due on such a day may be taken, or fee paid, on the next succeeding business day the Office is open.”
To learn more:
MPEP 510 - U.S. Patent and Trademark Office Business Hours (2)
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.
When the entire USPTO is officially closed for business for an entire day due to adverse weather or other causes:
- The day is considered a “Federal holiday within the District of Columbia” under 35 U.S.C. 21
- Any action or fee due on such a day may be taken or paid on the next succeeding business day the Office is open
MPEP 510 states: “When the entire USPTO is officially closed for business for an entire day, for reasons due to adverse weather or other causes, the Office will consider each such day a ‘Federal holiday within the District of Columbia’ under 35 U.S.C. 21. Any action or fee due on such a day may be taken, or fee paid, on the next succeeding business day the Office is open.”
To learn more:
Patent Law (2)
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.
When the entire USPTO is officially closed for business for an entire day due to adverse weather or other causes:
- The day is considered a “Federal holiday within the District of Columbia” under 35 U.S.C. 21
- Any action or fee due on such a day may be taken or paid on the next succeeding business day the Office is open
MPEP 510 states: “When the entire USPTO is officially closed for business for an entire day, for reasons due to adverse weather or other causes, the Office will consider each such day a ‘Federal holiday within the District of Columbia’ under 35 U.S.C. 21. Any action or fee due on such a day may be taken, or fee paid, on the next succeeding business day the Office is open.”
To learn more:
Patent Procedure (2)
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.
When the entire USPTO is officially closed for business for an entire day due to adverse weather or other causes:
- The day is considered a “Federal holiday within the District of Columbia” under 35 U.S.C. 21
- Any action or fee due on such a day may be taken or paid on the next succeeding business day the Office is open
MPEP 510 states: “When the entire USPTO is officially closed for business for an entire day, for reasons due to adverse weather or other causes, the Office will consider each such day a ‘Federal holiday within the District of Columbia’ under 35 U.S.C. 21. Any action or fee due on such a day may be taken, or fee paid, on the next succeeding business day the Office is open.”
To learn more: