安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- United States Patent and Trademark Office
Home page of the United States Patent and Trademark Office's main web site
- Search for patents | USPTO
Find existing patents, published patent applications, and other published patent documentation
- 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
- 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
- Patent Center | USPTO
Patent Center is available to all users for electronic filing and management of patent applications You may access an on-demand recording of a previous Patent Center Training session to learn more about filing and managing patent applications Please see the Top 25 questions and answers from prior sessions held August 1, 2023 through November 2, 2023 Patent Center Benefits Filing and
- USPTO fee schedule | USPTO
USPTO fee schedule Effective January 19, 2025 (Last revised May 1, 2026) The fee schedule provides information and fee rates for USPTO's products and services All payments must be paid in U S dollars for the full amount of the fee required View the Accepted payment methods page or call the USPTO Contact Center at 571-272-1000 or 800-786-9199 for assistance SCAM ALERT - Warning about non
- Patent Public Search | USPTO
A powerful, flexible web-based patent search application that improves the overall patent searching process It includes two user selected interfaces that provide enhanced access to prior art
- Trademark search
Use our new image search feature: Log into your USPTO gov account and select “Image search” from the drop-down or select the camera icon in the search box Learn more on our Trademark search system updates page
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