美国专利如何查寻法律状态?
The United States Patent and Trademark Office (USPTO)
By Phone
Call 800-786-9199 (IN USA OR CANADA) or 571-272-1000 for assistance from Customer Service Representatives and/or access to the automated information message system。
The options available when calling:
Select from the following option...全部
The United States Patent and Trademark Office (USPTO)
By Phone
Call 800-786-9199 (IN USA OR CANADA) or 571-272-1000 for assistance from Customer Service Representatives and/or access to the automated information message system。
The options available when calling:
Select from the following options:
o Press 1 for trademark information and assistance。
o Press 2 for patent information and assistance。
o Press 3 for technical questions regarding the electronic business systems on the USPTO Internet site。
o Press 4 for directions to the USPTO and mailing addresses。
o Press 5 for other inquiries including Patent Search Facility information or to order general information publications。
By mail:
Office of the General Counsel
U。S。 Patent and Trademark Office
P。 O。 Box 15667
Arlington, VA 22215
E-mail: usptoinfo@
web site:
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