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
- Patent Center - United States Patent and Trademark Office
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:
- Home - Patent Center - USPTO
Effective October 14, 2025, delivery of courtesy ceremonial copies of eGrants will be delayed by up to 90 days The official electronic patent grant (eGrant) is not affected and remains available through Patent Center and the Open Data Portal
- United States Patent and Trademark Office
Home page of the United States Patent and Trademark Office's main web site
- Patents | USPTO - United States Patent and Trademark Office
Find out how to apply for and maintain a patent in the U S , and learn about helpful resources
- Check the filing status of your patent application | USPTO
Check your USPTO patent application status, view pendency timelines, and access guides in Patent Center Find help, guides, and contact info for electronic filing and application management
- File Online | USPTO
Patent Center is available to all users for electronic filing and management of patent applications in a single unified interface Patent Center features a training mode, which is a simulator to practice filing
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