Short answer: Usually, yes. In the United States, you can often file a civil complaint without attaching every document, recording, or witness statement. You still need a good-faith factual and legal basis, the proper parties and court, and enough specific facts to show a plausible claim.

"No exhibits" doesn't mean "no support." A complaint based only on suspicion, bare labels, or facts you have no reasonable basis to allege can be dismissed and may lead to sanctions. If the dispute concerns a free trial that turned into a paid subscription, save the billing and cancellation records before deciding whether filing is worthwhile.

This is general information for U.S. consumers, not legal advice. Federal court, state court, small claims, and criminal procedures use different rules.

Filing a lawsuit is different from proving it

A complaint starts a case; it isn't the trial file. The usual sequence looks like this:

  1. Filing: You submit the required complaint or form, pay any fee, and arrange proper service.
  2. Response or pleading challenge: The defendant may answer or argue that the allegations do not state a legally recognized claim.
  3. Discovery: If the case continues, the parties may request relevant records, communications, and other information.
  4. Summary judgment or trial: The court evaluates the available evidence, the legal issues, and the applicable burden of proof.

In federal court, Rule 8 of the Federal Rules of Civil Procedure generally requires a short and plain statement showing that the filer is entitled to relief. It doesn't require the plaintiff to submit a complete trial file with the complaint.

There is a limit, though. Under the plausibility standard discussed in Bell Atlantic Corp. v. Twombly and Ashcroft v. Iqbal, the alleged facts must make the claim plausible, not merely possible. On a motion to dismiss, a federal court generally accepts well-pleaded factual allegations as true for that limited review. It does not have to accept bare legal conclusions or unsupported labels.

For example:

The first version identifies conduct, dates, the charge, and the claimed harm. It still doesn't prove the case, but it gives the court something concrete to evaluate.

What to establish before filing

You don't need every fact held by the opposing party. You do need a reasonable basis for the facts you include and a workable explanation of what the defendant did wrong. Before filing, identify:

Under federal Rule 11, factual contentions generally must have evidentiary support. If a contention doesn't yet have support, it must be identified as one that is likely to gain support after a reasonable opportunity for investigation or discovery. That is a good-faith investigation requirement, not a demand that every document be attached on day one.

Some claims or procedures do require a verified complaint, affidavit, or other supporting document. Check the statute and the local court rules instead of assuming that the usual civil pleading format applies.

If the defendant says, "There is no evidence"

In federal court, a defendant ordinarily can't win a Rule 12(b)(6) motion simply by saying that the plaintiff has not proved the case. The motion generally asks whether the complaint's well-pleaded facts, assumed true for that limited purpose, add up to a legally sufficient claim.

This is the distinction described in the UNC School of Government's explanation of Rule 12(b)(6): the complaint tells a story about harm, while the motion argues that the story does not amount to a legal claim.

A dismissal motion may succeed when the complaint:

If the complaint states a plausible claim but the plaintiff later cannot produce records or witnesses, that problem may arise during discovery, at summary judgment, or at trial. Courts generally don't turn a motion to dismiss into a mini-trial. Evidence outside the pleadings can affect the procedure, so the parties must follow the applicable federal or state rules.

State courts may use terms such as demurrer instead of a motion to dismiss. Read the summons and local rules for the response deadline. A defendant who ignores the case because the complaint looks weak can still face a default judgment.

Free-trial and auto-renewal disputes: save these records

A subscription dispute is rarely truly evidence-free. Consumers often have the most useful starting records themselves:

Keep the original emails and statements when possible. For screenshots, retain the date, web address, account information, and transaction details that help identify what was displayed. Don't alter records or leave out terms that weaken your position.

The dispute usually turns on more than the fact of a charge. Relevant questions include:

If you knowingly accepted a recurring subscription, describe the dispute accurately. Calling the charge "unauthorized" may be misleading if you did authorize the subscription but dispute the disclosure, cancellation, or later billing.

A practical sequence for a disputed renewal

  1. Review the offer and account history. Find the trial length, renewal price, renewal date, cancellation method, and any arbitration clause.
  2. Cancel the subscription. Use the stated process, save the confirmation, and check whether the account shows an end date.
  3. Request a refund in writing. Include the transaction date, amount, reason, and result you want.
  4. Contact the payment provider promptly. Credit card, debit card, prepaid card, and ACH disputes use different procedures and deadlines. Ask the issuer which process applies and give an accurate explanation.
  5. Keep the dispute file together. Save the merchant's response, the issuer's case number, and any provisional-credit notice. A payment dispute is separate from a court judgment.
  6. Consider a regulator complaint. You can report suspected deceptive practices to the FTC or your state attorney general. A report may help identify a pattern, but it doesn't guarantee an individual refund.
  7. Check court and contract limits before filing. Review the small-claims limit, venue, filing fee, statute of limitations, arbitration language, and any class-action waiver.

A merchant's failure to answer a refund request doesn't automatically establish a legal violation. It does document what you asked for and how the business responded.

Does small claims court require evidence at filing?

Usually, the initial small-claims filing asks for the parties' information, a short description of the dispute, the amount requested, and a fee. The court also requires proper service. Many courts don't require every exhibit when the case is opened.

Evidence still matters at the hearing. Organize copies of the records that support your account, such as:

Small-claims rules vary by state and court. Some hearings are informal; others apply specific evidence rules. Follow the court's instructions about exhibits and copies for the judge and the opposing party.

For a small-dollar dispute, compare the possible recovery with filing and service fees, travel, and the time required. A written refund request or payment-provider dispute may resolve the problem at lower cost.

What if your only evidence is your testimony?

Your testimony is evidence. A case can sometimes proceed without a written contract or a third-party witness, especially when you personally saw, said, or did the relevant things.

The weakness may be credibility rather than the absence of evidence. A judge may compare your account with the merchant's terms, transaction logs, records, or employee testimony. Keep your account precise and consistent. Distinguish what you personally know from what someone else told you.

An affidavit can help when a procedure permits or requires one, but signing an affidavit doesn't automatically prove the facts in it. Don't sign a statement you know is inaccurate. If you have no firsthand knowledge and no reasonable basis for an allegation, investigate further before filing.

Criminal complaints follow a different path

A criminal case is generally brought by the government, not by a private person seeking damages. You can report suspected criminal conduct to law enforcement or a prosecutor and may be able to submit a complaint under local procedure, but the government decides whether to investigate or charge.

Probable cause is generally the threshold for an early criminal action, while proof beyond a reasonable doubt applies at trial. Procedures involving witnesses, hearsay, and probable-cause hearings vary by state.

For an ordinary subscription dispute, the payment provider, merchant, regulator, or civil court is usually the more relevant route. Reporting a suspected crime is not a substitute for seeking immediate help in an emergency.

When can an evidence-light filing lead to sanctions?

Losing a case isn't automatically frivolous, and not having every document at filing doesn't automatically violate Rule 11. The concern is whether the filer made a reasonable inquiry and had a nonfrivolous factual and legal basis for the paper submitted to court.

Possible consequences of an objectively baseless filing include:

In federal court, a party seeking Rule 11 sanctions generally must serve the motion and give the opposing side 21 days to withdraw or correct the challenged paper before filing the motion with the court. A court-initiated proceeding follows a different process. State courts have their own sanctions rules.

Don't threaten sanctions merely because the other side disputes your version of events. If a complaint is weak but not plainly abusive, the response may instead be an answer, discovery, or a motion aimed at a specific legal defect.

A filing check before you submit

Run through these questions:

Common questions

Can I file a civil lawsuit with no exhibits?

Often, yes. A complaint normally needs sufficient factual allegations, not a complete exhibit package. A particular claim or local rule may require a verified pleading or supporting document, however.

Can a judge dismiss my case because I don't have proof yet?

Not ordinarily on a federal Rule 12(b)(6) motion just because exhibits are missing. The court can dismiss if the facts alleged don't plausibly establish a claim. If you cannot produce evidence later, the case may fail at summary judgment or trial.

Is a free-trial renewal automatically illegal?

No. The answer depends on the offer, disclosure, consent, cancellation, billing records, and applicable law. A clear renewal term can weaken a claim, while an omitted or misleading disclosure may strengthen it.

Does filing a chargeback extend the deadline to sue?

Don't assume it does. A payment dispute and a lawsuit use different procedures. Check the applicable court deadline while the bank or card issuer investigates.

What should a defendant do after receiving an evidence-light complaint?

Read the summons, calendar the response deadline, and decide whether the complaint lacks an essential element or merely contains disputed facts. A federal Rule 12(b)(6) motion may address legal sufficiency; state courts may use a different motion. Respond on time even if you believe the plaintiff cannot prove the case.

Rules mentioned

If you can't identify the facts, defendant, court, deadline, and amount you can support, don't file on suspicion. Preserve the records, ask the merchant for a response in writing, use the applicable payment-provider process, and check a court self-help center, legal-aid organization, or licensed attorney before signing a complaint.