The Discovery Process Explained

If your personal injury case proceeds to litigation, you will enter a phase called "discovery." This is the formal process through which both sides gather information, evidence, and testimony to prepare for trial or settlement negotiations. Discovery often determines the outcome of a case because it reveals the strengths and weaknesses of each side's position. Understanding what to expect during discovery will help you participate effectively and reduce anxiety about the process.

What Is Discovery?

Discovery is governed by the Michigan Court Rules (MCR 2.301 through 2.316) and allows both parties to obtain relevant information from each other and from third parties. The purpose is to prevent trial by ambush - both sides should know the evidence and arguments they will face before walking into a courtroom. Discovery begins after the defendant files their answer to your complaint and typically lasts 3 to 9 months, depending on the complexity of the case and the court's scheduling order.

Michigan courts issue scheduling orders early in litigation that set deadlines for completing discovery, disclosing expert witnesses, and filing dispositive motions. Missing these deadlines can have serious consequences, including the exclusion of evidence or witnesses at trial.

Interrogatories

Interrogatories are written questions that one party sends to the other, which must be answered under oath within 28 days under Michigan Court Rules (MCR 2.309). In Michigan, each party is limited to 20 interrogatories (including subparts) for standard cases, though the court may allow additional questions for complex matters.

Typical interrogatories in a personal injury case ask about:

• The facts of the accident from your perspective
• Your injuries and medical treatment
• Your medical history (particularly any pre-existing conditions)
• Lost wages and employment history
• Names and addresses of witnesses
• Insurance information
• Prior lawsuits or claims you have filed

Your attorney will help you draft accurate, complete answers that protect your interests while complying with your legal obligation to respond truthfully. Never exaggerate or minimize your injuries in interrogatory answers - inconsistencies can destroy your credibility.

Requests for Production of Documents

Requests for production (governed by MCR 2.310) require you to provide copies of relevant documents and tangible items. The responding party has 28 days to produce documents or object. Common document requests in personal injury cases include:

• Medical records and bills from all treating providers
• Health insurance records and explanation of benefits
• Tax returns and pay stubs (to verify lost wages)
• Photographs of injuries and the accident scene
• Social media posts and communications related to the accident
• Prior medical records (to assess pre-existing conditions)
• Vehicle repair estimates and property damage documentation

A critical note about social media: defense attorneys routinely request access to your social media accounts. Posts showing physical activity, travel, or social events can be used to contradict your claimed limitations. Your attorney may advise you to limit social media activity during your case.

Depositions

A deposition is sworn testimony given outside of court, recorded by a court reporter and sometimes videographed. Depositions are governed by MCR 2.306 and are often the most important discovery tool in personal injury cases. You will likely be deposed by the defense attorney, and your attorney will depose the defendant and key witnesses.

During your deposition, the defense attorney will ask questions about the accident, your injuries, your treatment, your daily limitations, and your background. Everything you say is under oath and can be used at trial. Preparation is essential - our guide on deposition preparation covers this in detail.

Key rules for depositions:

• Listen carefully to each question before answering
• Answer only the question asked - do not volunteer extra information
• If you do not understand a question, ask for clarification
• If you do not know or do not remember, say so honestly
• Your attorney can object to improper questions but generally cannot coach you during the deposition

Independent Medical Examinations (IMEs)

Under MCR 2.311, the defense can request that you attend a medical examination by a doctor of their choosing. Despite the name "independent medical examination," these doctors are typically hired and paid by the insurance company and may be predisposed to minimizing your injuries.

During an IME, the examining doctor will review your medical records, ask about your symptoms, and perform a physical examination. They will then write a report that the defense will use to challenge the severity of your injuries or argue that your condition is caused by something other than the accident.

Tips for your IME:

• Be honest about your symptoms - do not exaggerate or minimize
• Report all pain and limitations, even if you think they are minor
• Note how long the examination takes (brief exams suggest a predetermined conclusion)
• Do not discuss your case or legal strategy with the examiner
• Write down everything you remember immediately after the appointment

Expert Discovery

Both sides typically retain expert witnesses to support their positions. In a personal injury case, common experts include treating physicians, independent medical experts, vocational rehabilitation specialists, economists (to calculate future losses), and accident reconstructionists. Michigan Court Rules (MCR 2.302(B)(4)) govern the disclosure of expert witnesses and their opinions.

Under the court's scheduling order, each side must disclose their experts and provide reports by specified deadlines. Expert depositions then follow, where the opposing attorney questions the expert about their qualifications, methodology, and conclusions. Expert testimony often plays a decisive role in establishing the nature and extent of your injuries and calculating your damages.

Discovery Disputes and Motions to Compel

Discovery does not always proceed smoothly. Parties sometimes refuse to answer questions, produce incomplete documents, or raise objections that the other side considers improper. When disputes arise, the requesting party can file a motion to compel under MCR 2.313, asking the judge to order compliance. The court may also impose sanctions on parties who improperly withhold information or fail to cooperate in discovery.

Common discovery disputes in personal injury cases involve the scope of medical records (how far back the defense can go into your history), social media access, and attorney-client privilege issues. Your attorney will protect your rights while ensuring you comply with legitimate discovery requests.

How Discovery Affects Your Case Value

Discovery is often where cases are won or lost. Strong deposition testimony, compelling medical records, and persuasive expert opinions increase your case's settlement value. Conversely, damaging admissions, inconsistencies between your testimony and medical records, or unfavorable IME reports can weaken your position.

Many cases settle during or immediately after discovery, once both sides have a clear picture of the evidence. The information gathered during discovery informs settlement negotiations and any mediation or case evaluation that follows. Understanding the discovery process helps you appreciate why your attorney asks for thorough documentation and why honest, consistent reporting of your symptoms matters throughout your case.

For a broader perspective on where discovery fits in the litigation process, see our personal injury lawsuit timeline.