Massachusetts Court Deadline Calculator

Free Tool

Calculate Massachusetts court deadlines under the Massachusetts Rules of Civil Procedure (Mass. R. Civ. P.) and Massachusetts Rules of Appellate Procedure (Mass. R. App. P.). Answer windows, motion response periods, the extension the rule gives your service method, and Massachusetts court holidays — computed from versioned rule data with a conservative buffer.

Massachusetts Rules of Civil Procedure (Mass. R. Civ. P.) and Massachusetts Rules of Appellate Procedure (Mass. R. App. P.)

Calculate Deadline

Jurisdiction

Event Type

Trigger Date

Service Method

Massachusetts Deadline Rules

Deadlines are computed from Massachusetts Rules of Civil Procedure (Mass. R. Civ. P.) and Massachusetts Rules of Appellate Procedure (Mass. R. App. P.), 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 Massachusetts 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 Massachusetts — 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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