If someone has sued you over an injury, the first thing to understand about how to fight a personal injury lawsuit against you is that the clock started running the day you were served. In federal court you have 21 days to file a formal response;1United States Courts. Federal Rules of Civil Procedure – Rule 12(a) state deadlines usually fall between 20 and 30 days, with the exact date printed on the Summons itself. Miss it and the plaintiff can ask the court to enter a default judgment, which is enforceable through wage garnishment, bank levies, and property liens just like any other court order.2Legal Information Institute. Federal Rules of Civil Procedure Rule 55 – Default; Default Judgment Everything else in your defense flows from meeting that first deadline and putting the right people to work on it.
The First Moves After You’re Served
You’ll receive two documents together: a Complaint listing the plaintiff’s allegations and a Summons stating when your response is due. Read the Summons the day it arrives and write the deadline down. Then do two things quickly.
First, notify any insurance carrier that could cover the claim. Homeowner’s, auto, and umbrella policies all include liability coverage that typically pays for your legal defense and any settlement or judgment up to the policy limits. Second, get a personal injury defense attorney involved. If your insurer accepts the claim, it will assign one. If it doesn’t, or if you have no coverage, you need to retain counsel yourself.
A default judgment can sometimes be undone, but the process is difficult and the outcome uncertain. The safer route by a wide margin is to never let one enter in the first place.
What the Plaintiff Has to Prove
Every defense move points at something the plaintiff has to establish. In a negligence case, that’s four elements: a duty of care owed to the plaintiff, a breach of that duty, causation linking the breach to the injury, and actual damages.3Legal Information Institute. Negligence Fail on any one and the whole claim fails.
The civil standard of proof is preponderance of the evidence — more likely true than not.4Legal Information Institute. Preponderance of the Evidence Lower than the criminal standard, but not automatic: if the evidence sits roughly even, the plaintiff loses. Your defense doesn’t have to prove you did nothing wrong. It has to make the jury unable to say one of those four elements is more likely true than not.
How Insurance Shapes the Defense
In most personal injury lawsuits, the insurer runs the defense. Liability policies contain a “duty to defend,” which obligates the carrier to hire a lawyer and pay for your defense whenever the allegations could potentially fall within coverage. A separate “duty to indemnify” covers any settlement or judgment, but only up to your policy limits.
If the insurer is uncertain whether the claim is actually covered, it may send you a reservation of rights letter. That letter provides a defense for now but preserves the insurer’s right to deny coverage later. If you get one, take it seriously. There’s a real possibility you’ll end up personally responsible for part or all of the outcome, and you may want your own attorney working alongside the one the insurer provides.
A common mistake is assuming the insurer-appointed lawyer works only for you. That attorney does owe you ethical duties as a client, but the insurer controls major decisions, including whether to accept a settlement offer. When the plaintiff offers to settle within policy limits and the insurer unreasonably refuses, most states hold the insurer liable for any excess judgment. Knowing this dynamic early prevents surprises later.
Filing Your Response
Motion to Dismiss
Before drafting a formal Answer, look at whether the lawsuit has a procedural or legal flaw that could end it early. A motion to dismiss under Rule 12(b) can be based on failure to state a claim — arguing that even if everything alleged is true, the law provides no remedy — as well as lack of personal jurisdiction, improper venue, or defective service of process.5Legal Information Institute. Federal Rules of Civil Procedure Rule 12 – Defenses and Objections
Most of these defenses have to be raised in your first response or they are waived permanently. Subject-matter jurisdiction is the exception and can be challenged at any point. A motion to dismiss is normally filed before the Answer, and the Answer deadline is typically extended while the motion is pending.
The Answer
If you don’t file a motion to dismiss, or the court denies it, the Answer is next. It responds paragraph by paragraph to the Complaint — admitting each allegation, denying it, or stating you lack information to respond.6United States Courts. The Defendant’s Answer to the Complaint Any allegation you fail to specifically deny can be treated as admitted, so precision matters. The Answer is filed with the clerk and served on the plaintiff’s attorney before the deadline. Filing fees vary by court and can exceed $400, with waivers available for financial hardship.
Affirmative Defenses
The Answer is also where you raise affirmative defenses — legal arguments that defeat the claim even if the plaintiff’s facts are all true. Federal Rule 8(c) lists them, including assumption of risk, statute of limitations, release, and contributory negligence.7Legal Information Institute. Federal Rules of Civil Procedure Rule 8 – General Rules of Pleading In personal injury cases, the most common is comparative negligence: the argument that the plaintiff was partly responsible for their own injuries and that damages should be reduced accordingly.
You don’t prove these defenses in the Answer, but you have to list them. An affirmative defense not raised there is generally waived at trial. When in doubt, include it. Withdrawing later is easy; adding later requires the court’s permission.
Counterclaims
If the same incident gave you a claim against the plaintiff, raise it as a counterclaim in your Answer. Under federal rules, any claim arising from the same incident generally must be raised now or it’s barred in future litigation.8Legal Information Institute. Federal Rules of Civil Procedure Rule 13 – Counterclaim and Crossclaim A counterclaim can seek more in damages than the plaintiff is asking for.
Building the Defense in Discovery
Once initial pleadings are filed, the case enters discovery — the phase where the actual defense gets built. Both sides exchange evidence and testimony, and this is where settlement leverage is created. Discovery routinely lasts six months to well over a year and drives most of the litigation cost.
Written Discovery
Interrogatories are written questions answered in writing under oath. Federal rules cap them at 25 per party unless the court allows more.9Legal Information Institute. Federal Rules of Civil Procedure Rule 33 – Interrogatories to Parties Requests for production compel the other side to hand over documents, photos, texts, emails, and other electronically stored information.10Legal Information Institute. Federal Rules of Civil Procedure Rule 34 – Producing Documents, Electronically Stored Information, and Tangible Things Sending these to the plaintiff is often where defense-favorable evidence surfaces.
Depositions
A deposition is sworn live testimony taken outside court, with a reporter transcribing every word.11Legal Information Institute. Federal Rules of Civil Procedure Rule 30 – Depositions by Oral Examination The plaintiff’s lawyer will depose you; your lawyer will depose the plaintiff and key witnesses. Cases turn on depositions more than people expect. Inconsistent plaintiff testimony can gut credibility at trial, and a defendant who wasn’t prepared can hand the other side ammunition. Preparation time with your attorney before your deposition is not optional.
Independent Medical Examinations
The plaintiff is claiming physical harm, and you’re entitled to test that claim. Your attorney can move the court to order the plaintiff to submit to an independent medical examination by a doctor of the defense’s choosing. Courts grant these when the plaintiff’s condition is at issue, which is essentially always in a personal injury case, and the order will specify what the examination covers.12Legal Information Institute. Federal Rules of Civil Procedure Rule 35 – Physical and Mental Examinations These exams routinely produce opinions that conflict with the plaintiff’s treating physician.
Experts
The plaintiff will likely bring a medical expert linking the injuries to the incident and possibly an economist calculating future lost earnings. Your side retains experts to challenge those opinions. Federal rules require each side to disclose experts and provide detailed written reports at least 90 days before trial. Reports must cover opinions, the basis for them, the expert’s qualifications, and compensation.13Legal Information Institute. Federal Rules of Civil Procedure Rule 26 – Duty to Disclose; General Provisions Governing Discovery Rebuttal experts get a shorter 30-day window.
Summary Judgment and Settlement
After discovery closes, your attorney may file for summary judgment, asking the court to rule in your favor without trial because the evidence shows no genuine dispute of material fact and you win as a matter of law.14Legal Information Institute. Federal Rules of Civil Procedure Rule 56 – Summary Judgment These motions succeed when the plaintiff’s evidence on one of the required elements is too weak for any reasonable jury to find in their favor. Even a partial win narrows the trial and strengthens your bargaining position.
With discovery finished, both sides can realistically forecast what a jury might do, and that’s when serious settlement talks happen. Most personal injury cases settle before trial. Negotiation may run directly between attorneys, or the court may order mediation, where a neutral mediator helps each side see the weaknesses in its position and find terms both can accept. The mediator decides nothing.
If you’re weighing an offer, note that settlements for physical injuries are generally not taxable, but portions allocated to punitive damages, interest, or emotional distress unconnected to physical injury are taxable.15Internal Revenue Service. Taxability of Settlement Income (Publication 4345) How the agreement allocates the money between those categories affects what you keep, and it’s something your attorney should negotiate carefully.
If the Case Goes to Trial
Trial opens with jury selection, called voir dire, where both attorneys question potential jurors to identify bias.16United States Courts. Juror Selection Process A juror with personal experience related to the plaintiff’s injuries can be sympathetic in ways no evidence overcomes, so this phase matters more than it looks.
The plaintiff presents first, calling witnesses and introducing evidence. Your attorney cross-examines each witness looking for inconsistencies with deposition testimony, gaps in the medical proof, and alternative explanations for the injuries. After the plaintiff rests, your side presents its case, which may include your own testimony, fact witnesses, and experts. Both sides deliver closing arguments, the judge instructs the jury on the law, and the jury deliberates. The plaintiff carries the burden throughout.
After an Unfavorable Verdict
A verdict against you is not necessarily the end. A renewed motion for judgment as a matter of law argues the evidence was so one-sided that no reasonable jury could have reached the verdict. A motion for new trial can be filed based on significant errors during the proceeding, such as improperly admitted evidence or incorrect jury instructions. Both must be filed within 28 days after entry of judgment.17Legal Information Institute. Federal Rules of Civil Procedure Rule 50 – Judgment as a Matter of Law in a Jury Trial
If those fail, you can appeal. An appeal doesn’t re-try the case or take new evidence; it asks a higher court to review whether legal errors affected the outcome. The notice of appeal deadline is 30 days from judgment in federal court,18Legal Information Institute. Federal Rules of Appellate Procedure Rule 4 – Appeal as of Right, When Taken and state deadlines vary. Miss it and appellate review is gone. That date should be on your attorney’s calendar the moment the verdict comes in. Any judgment that stands beyond available insurance is your personal responsibility, which is the reason to take every earlier settlement window seriously when the exposure exceeds your policy limits.