A consulting expert advises counsel without testifying, and their identity, opinions, and work are generally protected from discovery.

A court-appointed expert is a neutral expert selected by the court rather than by a party.

Expert compensation is the fee arrangement with a testifying expert, which is discoverable and subject to cross-examination.

The expert designation deadline is the date by which a party must identify its experts and serve required disclosures.

Expert qualifications are the knowledge, skill, experience, training, or education establishing a witness may testify as an expert.

An expert witness is a person qualified by knowledge, skill, experience, training, or education to offer opinion testimony on matters beyond common...

A hybrid witness testifies to both percipient facts and expert opinions, complicating disclosure and examination.

A non-retained expert testifies to expert opinions formed outside litigation, subject to lighter disclosure requirements.

A retained expert is engaged specifically to provide expert testimony, subject to full written report disclosure.