Illinois Court Deadline Calculator

Free Tool

Calculate Illinois court deadlines under the 735 ILCS 5 (Illinois Code of Civil Procedure); Illinois Supreme Court Rules. Answer windows, motion response periods, the extension the rule gives your service method, and Illinois court holidays — computed from versioned rule data with a conservative buffer.

735 ILCS 5 (Illinois Code of Civil Procedure); Illinois Supreme Court Rules

Calculate Deadline

Jurisdiction

Event Type

Trigger Date

Service Method

Illinois Deadline Rules

Deadlines are computed from 735 ILCS 5 (Illinois Code of Civil Procedure); Illinois Supreme Court Rules, versioned and dated in the rule data
How you were served is part of the calculation — the calculator applies the extension the rule gives that method, including none
Weekends and Illinois court holidays are applied when a computed date lands on one
Every computed deadline carries a conservative safety buffer, and ambiguity resolves to the earlier date
Enter your dates in the calculator for a result specific to Illinois — periods depend on the trigger event and how you were served

You found the deadline. Now what?

The calculator is free. A free account keeps your case and its deadlines together; if you are not sure which deadline applies, start from your situation.

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