Enter the current date and processing duration into the calculator to determine the filing date.

Filing Date Formula

The following formula is used to calculate the filing date.

FD = CD + PD


  • FD is the filing date CD is the current date PD is the processing duration (days)

To calculate the filing date, add the processing duration to the current date. The result will be the expected filing date.

What is a Filing Date?

A filing date is a specific date when a document, such as a legal form or application, is officially submitted to a relevant authority or agency. This date is important as it often determines the timeline for further actions or deadlines related to the document. For example, in patent applications, the filing date can affect the patent’s validity and the applicant’s rights.

How to Calculate Filing Date?

The following steps outline how to calculate the Filing Date using the formula FD = CD + PD.

  1. First, determine the current date (CD).
  2. Next, determine the processing duration (PD) in days.
  3. Next, gather the formula from above = FD = CD + PD.
  4. Finally, calculate the Filing Date.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem:

Use the following variables as an example problem to test your knowledge.

current date (CD) = 2022-10-15

processing duration (PD) = 7 days