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What Happens After a Michigan Car Accident Lawsuit Is Filed?

Judge's gavel and legal documents representing the Michigan car accident lawsuit process.

After a Michigan car accident lawsuit is filed, the case typically moves through several stages: filing and service, the defendant’s response, discovery, depositions, motions, settlement negotiations, mediation, and, if necessary, trial. Many cases still settle after a lawsuit is filed, but litigation helps develop the evidence needed to resolve disputed claims.


Most Michigan car accident claims begin with insurance. Medical bills are submitted, records are gathered, fault is evaluated, and settlement discussions may begin. But not every case resolves through the insurance claim process alone. Sometimes, when the parties disagree about fault, injury severity, insurance coverage, or the value of the claim, filing a lawsuit becomes necessary.

For many injured people, the idea of a lawsuit sounds intimidating. But filing a lawsuit does not automatically mean the case will go to trial. In many Michigan car accident cases, litigation is the next step in developing evidence, requiring the other side to participate formally, and moving the claim toward resolution through discovery, negotiation, mediation, or trial preparation.

Whether a case is handled in Lansing, Grand Rapids, or another Michigan community, the litigation process is designed to resolve disputes when insurance negotiations alone are not enough. Michigan civil cases generally involve one party seeking relief after claiming they were harmed by another, and many car accident lawsuits involve claims for money damages.

Why a Car Accident Lawsuit May Be Filed

A lawsuit is usually filed when an injury claim cannot be fairly resolved through the insurance process alone. That does not always mean the case is headed for trial. Often, it means there are unresolved disputes that need a formal legal process.

Common reasons a Michigan car accident lawsuit may be filed include:

  • The insurance company disputes who caused the crash.
  • The insurer argues the injured person was partly at fault.
  • The parties disagree about injury severity.
  • The insurer claims treatment was unrelated or excessive.
  • Settlement offers do not reflect the full impact of the injury.
  • Insurance coverage issues remain unresolved.
  • Important evidence needs to be obtained through litigation.

Michigan law also imposes filing deadlines. In most personal injury cases, Michigan’s general statute of limitations is three years from the date of injury or death, unless a different rule applies.

Related reading: How Long Do You Have to File a Car Accident Claim in Michigan?

Step 1: Filing the Complaint

A Michigan car accident lawsuit begins when the injured person, called the plaintiff, files a legal document known as a complaint. The complaint explains:

  • who is being sued,
  • what happened,
  • why the defendant is legally responsible,
  • what injuries and damages are being claimed,
  • and what relief the plaintiff is seeking.

The lawsuit must be filed in the appropriate court. Michigan court materials explain that civil cases may be filed in district court or circuit court depending on the amount in controversy, with circuit court generally handling claims over $25,000.

For people injured in mid-Michigan, a Lansing car accident lawyer can help explain how Michigan No-Fault benefits, serious injury claims, and insurance disputes may affect a lawsuit after a crash. 

The complaint does not prove the case by itself. It starts the formal litigation process.

Step 2: Serving the Defendant

After the complaint is filed, the defendant must be formally notified through a legal process called service. Service ensures the defendant receives the lawsuit documents and has an opportunity to respond.

In car accident cases, the defendant may be:

  • the at-fault driver,
  • a vehicle owner,
  • an employer,
  • a trucking company,
  • or another responsible party.

Once service is completed, the defendant must respond within the timeframe required by court rules.

Step 3: The Defendant’s Answer

The defendant typically responds by filing an answer. In the answer, the defendant may admit some allegations, deny others, or state that more information is needed.

The answer may also raise defenses, such as:

  • the plaintiff was partly at fault,
  • the injuries were not caused by the accident,
  • the damages are overstated,
  • the claim was filed too late,
  • or another party is responsible.

This is often the first formal preview of how the defense plans to challenge the case.

Related reading: What Happens If You’re Partly At Fault in a Michigan Car Accident?

Step 4: Discovery Begins

After the lawsuit is underway, the case usually enters discovery. Discovery is the formal process where both sides exchange information and evidence.

Michigan court materials explain that parties may obtain discovery regarding non-privileged information that is relevant to claims or defenses and proportional to the needs of the case. The court may also control the scope, order, and amount of discovery.

Discovery may include:

  • written questions,
  • requests for documents,
  • medical records,
  • employment records,
  • insurance information,
  • photographs and video,
  • expert opinions,
  • and depositions.

Discovery often takes time, but it is one of the most important parts of a lawsuit because it allows both sides to evaluate the evidence more fully.

Step 5: Medical Records and Injury Evidence Are Reviewed

In a Michigan car accident lawsuit, medical evidence is often central. The parties may review:

  • emergency room records,
  • imaging studies,
  • physician notes,
  • physical therapy records,
  • specialist evaluations,
  • work restrictions,
  • and future treatment opinions.

This matters because Michigan auto cases often require proof not only that the injured person was hurt, but that the injury meets the legal threshold for noneconomic damages when pain and suffering is claimed. Michigan’s No-Fault statute allows noneconomic recovery in motor vehicle cases involving death, serious impairment of body function, or permanent serious disfigurement.

Related reading: What Is “Serious Impairment of Body Function” Under Michigan Law?

Step 6: Depositions May Be Taken

A deposition is sworn testimony given outside the courtroom, usually in an attorney’s office or similar setting. The person being deposed answers questions under oath, and a court reporter creates a transcript.

In a car accident lawsuit, depositions may involve:

  • the injured person,
  • the defendant driver,
  • witnesses,
  • medical providers,
  • experts,
  • or company representatives in commercial vehicle cases.

Depositions help both sides understand the facts, evaluate credibility, and prepare for settlement discussions or trial.

Depositions can also clarify disputed issues, such as:

  • how the crash happened,
  • what injuries were caused,
  • how daily life changed,
  • whether treatment was consistent,
  • and whether the injured person can return to normal activities.

Step 7: Experts May Become Involved

Some cases require expert review. Experts may be used to explain issues that are technical, medical, or outside ordinary knowledge.

Examples include:

  • accident reconstruction experts,
  • medical experts,
  • vocational experts,
  • life care planners,
  • economists,
  • or vehicle safety experts.

Expert involvement is more common in cases involving serious injury, disputed causation, semi-truck accidents, long-term disability, or significant wage loss.

Related reading: What Evidence Matters Most in a Michigan Car Accident Claim?

Step 8: Motions May Be Filed

During litigation, either side may file motions asking the court to decide certain issues. A motion may address evidence, procedure, deadlines, legal defenses, or whether part of the case should be dismissed.

Motions do not happen in every case, but they can affect the lawsuit timeline. Some motions are routine. Others may significantly shape the direction of the case.

For example, a defendant may argue that the injured person has not met Michigan’s serious impairment threshold. A plaintiff may ask the court to compel discovery if the other side refuses to provide information.

Step 9: Settlement Discussions Continue

Filing a lawsuit does not end settlement discussions. In fact, many cases settle after litigation begins because discovery gives both sides a clearer picture of the evidence.

Many people also wonder how settlement value is calculated at this stage of a case. While this article focuses on the litigation process itself, you can learn more about the factors that influence compensation, settlement expectations, and claim value in our Average Car Accident Settlement in Michigan (2026 Guide).

Settlement discussions may happen:

  • before depositions,
  • after key records are exchanged,
  • after expert review,
  • before mediation,
  • during mediation,
  • or shortly before trial.

A lawsuit often creates structure and pressure that helps move stalled claims forward.

Step 10: Mediation May Be Ordered or Scheduled

Many Michigan civil cases involve mediation. Michigan court materials define mediation as a process where a neutral third party facilitates communication, helps identify issues, and explores potential settlement, but does not have decision-making authority.

Mediation can be useful because by that stage, both sides often have more information about:

  • fault,
  • injuries,
  • medical treatment,
  • damages,
  • and litigation risk.

If mediation results in settlement, the parties prepare the necessary settlement documents. Michigan court materials explain that when settlement is reached after mediation, parties must prepare and submit appropriate documents within the required timeframe.

Step 11: Trial Preparation

If the case does not settle, it may move toward trial. Trial preparation can include:

  • final witness lists,
  • exhibit lists,
  • expert preparation,
  • motions,
  • jury instructions,
  • trial briefs,
  • and additional settlement discussions.

Even as trial approaches, settlement remains possible. Many cases resolve late in the process once both sides have fully evaluated the risks.

Trial preparation can take time, especially in complex cases involving serious injuries, multiple defendants, expert witnesses, or disputed medical causation.

For injured people in West Michigan, a Grand Rapids car accident lawyer can help explain how No-Fault claims, serious impairment issues, and third-party lawsuits may unfold in Grand Rapids and Kent County car accident cases.

Step 12: Trial

If the case reaches trial, both sides present evidence. The plaintiff has the burden of proving the claim. Michigan court materials explain that civil cases are decided using the “preponderance of the evidence” standard, meaning more likely than not.

At trial, the parties may present:

  • witness testimony,
  • medical evidence,
  • expert opinions,
  • photographs,
  • records,
  • and arguments about fault and damages.

A judge or jury then decides the issues presented.

How Long Does a Michigan Car Accident Lawsuit Take?

There is no single timeline. Some lawsuits resolve within months after filing. Others take longer because of discovery, expert review, mediation, court scheduling, or serious disputes.

Factors that often affect timing include:

  • how severe the injuries are,
  • whether treatment is ongoing,
  • whether fault is disputed,
  • whether multiple parties are involved,
  • how much discovery is needed,
  • whether experts are required,
  • and whether the case resolves at mediation.

Related reading: How Long a Michigan Car Accident Case Takes (and Why It Varies)

What Injured People Should Know Before a Lawsuit Is Filed

Before filing a lawsuit, it is important to understand that litigation is a process. It requires patience, documentation, and consistency.

Helpful steps include:

  1. Continue appropriate medical care.
  2. Preserve records and communications.
  3. Avoid inconsistent statements.
  4. Keep track of work restrictions and daily limitations.
  5. Be prepared for questions about prior medical history.
  6. Understand that settlement may still happen during litigation.

Litigation is not always fast, but it can be necessary when the insurance process does not produce a fair result.


Frequently Asked Questions

Q. Does filing a lawsuit mean my Michigan car accident case will go to trial?
A. No. Many car accident lawsuits still settle before trial, often after discovery, mediation, or further negotiation.

Q. What is discovery in a Michigan car accident lawsuit?
A. Discovery is the formal process where both sides exchange relevant information, records, and evidence related to the case.

Q. What is mediation in a car accident lawsuit?
A. Mediation is a settlement process where a neutral third party helps the parties discuss issues and explore resolution, but the mediator does not decide the case.

Q. How long does a lawsuit take after it is filed?
A. The timeline varies depending on injury severity, discovery, expert review, court scheduling, mediation, and whether the case settles before trial.


Speak With a Michigan Car Accident Lawyer About the Litigation Process

A Michigan car accident lawsuit is not just a courtroom event. It is a structured process designed to develop evidence, clarify disputes, and move the claim toward resolution. If an insurance company refuses to make a fair offer or disputes key parts of your claim, filing a lawsuit may be necessary to protect your rights.

A free consultation can help determine whether litigation is appropriate, what evidence may be needed, and what to expect after a lawsuit is filed.