What is Discovery in a Lawsuit
Discovery is the pre-trial process in a lawsuit where both parties exchange information and evidence relevant to the case, including documents, witness lists, and depositions.
Discovery is the formal pre-trial process in litigation during which each party can obtain evidence, information, and documents from the opposing party and third parties. Discovery allows both sides to learn the facts of the case before trial, reducing surprises, promoting settlements, and ensuring fairness. It is one of the most time-consuming and expensive phases of any lawsuit.
Purpose of Discovery
- Identify what evidence exists and where it is
- Preserve testimony of witnesses
- Narrow the issues in dispute
- Encourage settlement when one party sees the strength or weakness of their case
- Prevent "trial by ambush" — surprise evidence at trial
Types of Discovery
Interrogatories
Written questions submitted to the opposing party that must be answered in writing and under oath. Used to learn basic facts, identify witnesses, and understand the opponent's legal theories.
Depositions
Oral examinations of a witness or party under oath, recorded by a court reporter. Attorneys ask questions and witnesses must answer immediately (no time to consult an attorney between questions). Deposition testimony can be used at trial if the witness's story changes.
Requests for Production of Documents (RFP)
Formal requests to produce documents, electronically stored information (ESI), and other tangible items relevant to the case. This includes emails, contracts, financial records, medical records, photographs, and text messages.
Requests for Admission
Written requests asking the opposing party to admit or deny specific facts or the authenticity of documents. Facts admitted are established as true for purposes of the case and don't need to be proven at trial.
Physical and Mental Examinations
Allowed when the physical or mental condition of a party is at issue (e.g., personal injury case). Requires a court order and must be conducted by a qualified examiner.
Subpoenas
Court orders requiring non-parties (third parties) to produce documents or appear for a deposition.
Electronic Discovery (E-Discovery)
Modern discovery heavily involves electronically stored information (ESI) including:
- Emails, text messages, social media
- Database records, spreadsheets, PDFs
- Voicemails, video recordings
E-discovery has become enormously complex and expensive in large commercial litigations.
Objections and Privileges
Parties can object to discovery requests as:
- Irrelevant — The information sought has no bearing on the claims or defenses
- Privileged — Attorney-client privilege, work-product doctrine, spousal privilege
- Overbroad or unduly burdensome — Requires disproportionate effort to answer
- Confidential — Trade secrets or sensitive business information (often subject to protective orders)
Consequences of Discovery Misconduct
Failing to comply with discovery can result in sanctions including:
- Adverse inference jury instructions (jury told to assume the missing evidence was harmful)
- Default judgment against the non-complying party
- Dismissal of claims or defenses
- Monetary sanctions
- Contempt of court