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Patent Alert

Relocation of Patent Customer Service Window effective April 30

As of April 30, 2024, the Customer Service Window located in the Randolph building at 401 Dulany St., Alexandria, Virginia, will no longer receive patent-related correspondence. Effective April 30, the Customer Service Window for patent-related correspondence will be located in Room 1D80 of the adjacent Knox building at 501 Dulany St., Alexandria, Virginia.

You can hand carry or deliver documents to the new Customer Service Window at the above Knox building address on or after April 30. The hours of operation will be 8:30 a.m. to 11:59 p.m. ET, Monday through Friday, except holidays and if the USPTO is closed for inclement weather or an emergency. No application numbers will be assigned by window staff at the time of delivery.

For more information, please see our Major events affecting customers webpage.

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