What is a confirmation number and why is it important?

A confirmation number is a four-digit number assigned by the USPTO to each newly filed patent application. According to MPEP 503, the confirmation number serves several important purposes: It is used in combination with the application number to verify the accuracy of the application number on correspondence filed with the Office. It helps avoid misidentification…

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What is a filing receipt and what information does it contain?

A filing receipt is an official document issued by the USPTO that contains important information about a patent application. According to MPEP 503, the filing receipt includes: Application number Filing date Confirmation number Suggested U.S. Patent Classification class Art unit where the application is likely to be examined Continuing data (if applicable) National stage data…

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What is a confirmation number in a patent application?

A confirmation number is a four-digit number assigned to each newly filed patent application. It is used in combination with the application number to verify the accuracy of the application number on correspondence filed with the USPTO. This helps avoid misidentification due to transposition errors. The MPEP states: ‘The confirmation number is a four-digit number…

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What information is included in a patent filing receipt?

A patent filing receipt includes: Application number Filing date Confirmation number Suggested class in the U.S. Patent Classification System Art unit number where the application is likely to be examined Continuing data (if applicable) National stage data (if applicable) Foreign priority data (if applicable) Foreign filing license data (if applicable) Entity status information Anticipated publication…

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