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Trademarks > Trademark Electronic Search System (TESS) |
Welcome to the Trademark Electronic Search System (TESS). This search engine allows you to search the USPTO's database of registered trademarks and prior pending applications to find marks that may prevent registration due to a likelihood of confusion refusal.
WARNING: Before conducting your search, you must understand the following: (1) what the database includes; (2) how to construct a complete search; and (3) how to interpret the search results. Click TESS TIPS for detailed information on these and other important search topics.
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Select A Search Option |
![]() This option cannot be used to search design marks. |
![]() This option is used to search word and/or design marks. NOTE: You must first use the Design Search Code Manual to look up the relevant Design Codes. |
![]() This option allows you to construct word and/or design searches using Boolean logic and multiple search fields. NOTE: You must first use the Design Search Code Manual to look up the relevant Design Codes. |
Additional Search Options |
![]() This option browses all fields in the database unless you limit to a particular field. Results are returned in a dictionary-style (alphabetic) format. |
![]() This option searches the Official Gazette for marks published or registered on a particular date. |