An apex deposition seeks testimony from a senior executive, subject to a doctrine limiting such depositions absent unique knowledge.

A custodian deposition establishes the authenticity and business record status of documents for admission at trial.

A discovery deposition is taken to learn information rather than to preserve testimony for trial.

An expert deposition examines a testifying expert's opinions, methodology, materials reviewed, qualifications, and compensation before trial.

A perpetuation deposition preserves testimony from a witness who may become unavailable, including before suit is filed.

A remote deposition is conducted by videoconference with participants in different locations, now standard practice rather than an exception.

A treating physician deposition examines a provider about their care, diagnosis, causation, and prognosis for a claimant.

A trial preservation deposition is taken to be presented at trial rather than to develop information.

A video deposition is testimony recorded on video as well as transcribed, allowing the jury to see the witness rather than hear testimony read.