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File patent applications electronically
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What is EFS?EFS is electronic system for submitting patent applications, computer readable format (CRF) biosequence listings, and pre-grant publication submissions to the USPTO via the Internet. It includes
What type of submissions can be filed with EFS?EFS can be used to submit
At this time EFS does not accept
When can submissions be filed with EFS? EFS Submissions will be accepted between the hours of 6 AM ET Sunday and 11 PM ET Saturday. |
The Inventors Assistance Center is available to help you on patent matters. Send questions about the use of the Patent EFS to the Patent EBC Customer Service Center. Send general questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov . While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website. |
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