Filing a class action lawsuit in federal court costs $460 in court fees to get the complaint on the docket, but the real cost of a class action, which can run into the millions for a complex case, is almost never paid by class members. Law firms take these cases on contingency, advance the litigation expenses themselves, and collect only if the case produces a settlement or judgment. If you are joining a class action rather than starting one, your direct financial cost is essentially zero.
If You Are Joining a Class Action
Regular class members pay no filing fees, no retainers, and no hourly legal bills. The time investment is filling out a claim form and gathering whatever documentation the settlement requires. The costs of notifying the class and administering claims are handled by the attorneys and settlement administrators, not billed to you.
The cost that is not money is the claim you give up. Staying in the class means surrendering your right to sue the defendant individually over the same issue. Federal Rule of Civil Procedure 23 requires that class members in cases seeking money damages receive notice and an opportunity to opt out before the settlement binds them.1Legal Information Institute. Federal Rules of Civil Procedure Rule 23 – Class Actions If your damages are much larger than the average class member’s, opting out preserves your individual case but forfeits any share of the class settlement.
If the class action loses, regular class members generally owe nothing to the defendant. The risk of an adverse cost award falls on the named plaintiff and the attorneys.
If You Are the Named Plaintiff
The named plaintiff, or class representative, is the person whose name appears on the caption. That role means working closely with the attorneys, sitting for depositions, answering written discovery, reviewing settlement terms, and sometimes testifying. In long-running litigation, that commitment stretches over years.
There is also a financial exposure that surprises people. Under Federal Rule of Civil Procedure 54(d), the prevailing party in federal litigation is generally entitled to recover certain costs from the losing side.2Legal Information Institute. Federal Rules of Civil Procedure Rule 54 – Judgment; Costs If a class action is dismissed or the defendant wins at trial, the named plaintiff can be responsible for the defendant’s taxable costs: copying charges, witness fees, court reporter expenses, and similar items. This is not usually catastrophic, but it is not zero.
Courts routinely approve incentive awards, sometimes called service awards, to compensate named plaintiffs for the extra burden. Empirical data suggests these awards typically land in the $3,000 to $5,000 range, though the amount varies with the complexity of the case and the effort involved. Courts review these awards to make sure they are reasonable and do not create a conflict between the named plaintiff and the rest of the class.
The Filing Fee
Filing the complaint itself is the first hard cost, and it is small. In federal court, the base filing fee for a civil action is $405, plus a $55 administrative fee, for a total of $460.3United States Courts. District Court Miscellaneous Fee Schedule State court filing fees vary, generally running from under $100 to several hundred dollars.
Most substantial class actions end up in federal court under the Class Action Fairness Act, which gives federal courts jurisdiction when the aggregate amount in controversy tops $5 million and the parties come from different states.4Office of the Law Revision Counsel. 28 USC 1332 – Diversity of Citizenship; Amount in Controversy; Costs
The Real Litigation Costs the Firm Advances
Filing fees are pocket change compared to what actually running a class action costs. The law firm advancing the case typically shoulders:
- Expert witnesses. Complex cases often require economists, scientists, or industry specialists whose hourly rates commonly run $350 to $500 or more. A single expert’s total bill can reach six figures.
- Depositions. Court reporter fees, videography, transcript costs, and travel expenses for deposing key witnesses and corporate representatives.
- Discovery and investigation. Document review, electronic discovery processing, investigators, and third-party records.
- Class certification. Before the case can proceed as a class action, the plaintiffs must show numerosity, commonality, typicality, and adequate representation. Briefing and arguing the certification motion consumes significant attorney time and often requires its own expert analysis.1Legal Information Institute. Federal Rules of Civil Procedure Rule 23 – Class Actions
The firm advances all of it with no guarantee of repayment. If the case loses, the firm eats those costs. If the case succeeds, the expenses are reimbursed from the gross settlement fund before any money goes to class members or attorney fees.
How Attorneys Get Paid Out of Any Recovery
Class action attorneys almost always work on contingency, meaning they collect a fee only if the case produces a recovery, calculated as a percentage of the settlement or judgment fund. Courts in several federal circuits use 25% of the recovery as a benchmark starting point.5United States Courts. Attorneys’ Fees in Class Actions: 1993-2008 Empirical studies of federal class action settlements put the overall mean fee around 23% to 25% of the class recovery. In smaller cases with recoveries under roughly $1 million, fee percentages tend to run higher, sometimes over 30%, because the same amount of legal work produces a smaller pot.
Whatever percentage the attorneys request, the court must independently approve the fee as fair and reasonable. Rule 23(e) requires the judge to weigh whether the relief provided to the class is adequate, taking the proposed attorney fee award and its timing into account.1Legal Information Institute. Federal Rules of Civil Procedure Rule 23 – Class Actions
The Lodestar Cross-Check
Many courts run a second calculation called the lodestar as a reality check on percentage-based fees. The lodestar multiplies the hours the attorneys actually spent on the case by a reasonable hourly rate. If the percentage-based fee request vastly exceeds the lodestar figure, the court has a reason to cut it. If the lodestar exceeds the percentage, the attorneys may argue for more. A multiplier can be applied to account for the contingency risk, but large multipliers draw scrutiny.
Administrative Costs and Taxes That Reduce Your Payout
Once a settlement is approved, a claims administrator handles notification, claims processing, and payment distribution. Those costs come out of the gross settlement fund and cover mailings and emails to reach class members, a claims website and phone line, review of submitted forms, and check or electronic payment issuance. Administrative costs are subject to court approval just like attorney fees.1Legal Information Institute. Federal Rules of Civil Procedure Rule 23 – Class Actions In large consumer cases involving millions of potential claimants, administration alone can run into the hundreds of thousands of dollars.
Taxes are the cost most people forget. The IRS treats class action settlement payments like other income, with one important exception. Damages received on account of personal physical injuries or physical sickness are excluded from gross income under federal tax law.6Office of the Law Revision Counsel. 26 USC 104 – Compensation for Injuries or Sickness Most class action payouts involve non-physical injuries such as overcharges, data breaches, employment discrimination, or consumer fraud, and those payments are taxable as ordinary income.7Internal Revenue Service. Tax Implications of Settlements and Judgments Punitive damages are always taxable regardless of the type of injury. The settlement administrator may or may not withhold, so you may owe when you file your return.
The Rule 68 Cost Trap
One cost-shifting mechanism can catch plaintiffs off guard. Federal Rule of Civil Procedure 68 allows a defendant to make a formal settlement offer before trial. If the plaintiff rejects the offer and then wins less at trial than the defendant offered, the plaintiff becomes responsible for the defendant’s costs incurred after the offer. Those costs do not usually include attorney fees, but they can include deposition expenses, witness fees, and other litigation costs that add up quickly. Rule 68 offers are less common in class actions than in individual lawsuits because the dynamics of representing an entire class make early offers harder to evaluate, but the mechanism exists and adds a layer of risk the legal team weighs when deciding whether to accept or reject.