To file a liability lawsuit — a civil case seeking money for harm caused by a person or business — you need a written complaint, a civil cover sheet, a summons for each defendant, and the filing fee or a fee-waiver request. You should also gather proof of fault and losses, such as photos, medical records, and wage-loss documents. Federal and state checklists differ in form numbers and fees, but the core packet is the same. Knowing which version your court uses prevents rejection at the clerk's window.
Official resources:
- Apply through Uscourts’s official page — Use this page to review requirements and apply directly.
- Read the official notice from Uscourts — Use this primary source to verify the official announcement.
Table of Contents
- What do federal courts require?
- What do California courts require?
- What if you cannot afford the fee?
- What proof should injury plaintiffs keep?
- When must you file?
What do federal courts require?
In federal court, a plaintiff starts the case by preparing a complaint. According to the U.S. District Court for the Northern District of West Virginia, you must submit a completed Civil Cover Sheet (JS 44), two completed summonses for each defendant, plus the filing fee or an application to proceed in forma pauperis in its filing instructions for a civil complaint.
The U.S. District Court for the District of Arizona uses the same pattern. It asks for the complaint plus JS 44, a summons on Form AO 440 for each defendant, and payment or a financial-condition request.
What do California courts require?
California Superior Court cases also center on a Complaint, commonly plus Judicial Council Civil Case Cover Sheet CM-010 and Summons SUM-100. Some cases may use a fill-in complaint form while others must be typed on 28-line pleading paper.
File the original plus a copy for yourself and each person sued at the clerk's office. According to the California Courts Self-Help Guide, fees run $240-$450, generally $240 under $10,000, $385 for $10,000-$25,000, and $435 for $25,000 or more in its how to file as a plaintiff.
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What if you cannot afford the fee?
Plaintiffs who cannot afford the fee may request a waiver. Eligibility applies if they receive public benefits or meet low-income criteria.
File the fee-waiver request with the Complaint and Summons. This keeps the case moving while the court reviews ability to pay.
What proof should injury plaintiffs keep?
For car crashes, slips, workplace injuries, or assault, keep scene and injury photos, medical bills or doctor reports, witness statements, and police reports. According to the California Courts Self-Help Guide, those items help show what happened and who caused it in its personal injury guidance. Because these plaintiffs can seek money for medical bills, lost wages, emotional harm, or other injury losses, preserve bills, wage-loss proof, insurance correspondence, and a treatment timeline.
- Photograph injuries, damage, and hazards early
- Save every bill, pay stub gap, and insurer letter
- Write down witness names and treatment dates
When must you file?
The filing date controls whether you meet the statute of limitations. California's guide warns that the date the case is successfully filed determines whether the deadline is met.
If the deadline is near, get lawyer review before filing. A late filing can end the claim even with strong evidence.
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