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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- 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
- Home - Patent Center - USPTO
Conduct searches and pull information from all patent application bibliographic, front page and patent relevant data fields Search and download publicly available bulk datasets regularly produced and reviewed
- Google Patents
Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature
- 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
- Patent Searches - Intellectual Property Law: A Beginners Guide . . .
This guide provides an introduction to intellectual property law and a foundation for researching patents, copyright, and trademarks
- Patent Center
Patent Center provides a user interface for searching and managing patent applications and related information
- Home - Patent Center - USPTO
For assistance with Patent e-Filing, or to suggest improvements to the online system, or report technical problems, please call the Patent Electronic Business Center at:
- Search for patents | USPTO
Find existing patents, published patent applications, and other published patent documentation
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