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安裝中文字典英文字典辭典工具!
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- Search our trademark database | USPTO
A search you complete before applying for a trademark registration to make sure your trademark is available to register for your particular goods or services, and to make sure that no other trademark conflicts with it
- U. S. Patent and Trademark Office (USPTO) | USAGov
The U S Patent and Trademark Office (USPTO) is the agency responsible for granting U S patents and registering trademarks
- Global Brand Database - WIPO
Use the Global Brand Database to search internationally protected trademarks, appellations of origin, state emblems etc
- Trademark search
An official website of the United States government Here’s how you know keyboard_arrow_down Patents Trademarks Fees and payment Contact Us MyUSPTO
- Trademarks | USPTO
Find out how to register and maintain a trademark in the U S , apply for an international trademark, and about protecting your registered trademark
- Trademark Center
On February 12, we added new options to amend or update your filing using the "Manage trademarks" option in Trademark Center You can change your ID, add or remove classes, and make changes to the filing basis
- Federal trademark searching | USPTO
Searching the USPTO’s trademark database is an important part of doing a comprehensive clearance search before you apply for a trademark registration
- USPTO Search | USPTO
Get started Learn about searching Trademark basics Search our trademark database How to apply Trademark videos Apply to register
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