DefineLaw

What is a complaint?

A complaint is the document that starts a lawsuit and states the claims.

Why it matters

It puts the defendant on notice and frames what the case is about.

Common confusion

The complaint starts the case; the answer responds to it.

DefineLaw editors — plain-English definitions for general reference; not a substitute for advice from a licensed attorney.

Frequently Asked Questions

What must a complaint include?

Jurisdiction, the facts, and the legal claims for relief.

Can I amend it?

Often, with leave of court or the defendant’s consent.

What if it is wrong?

The defendant can move to dismiss or answer and defend.

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