The Federal Rules of Civil Procedure contain certain restrictions regarding a party’s right to obtain discovery from the other party’s expert witnesses. Under Rule 26(a) (2), parties must disclose the identities of their testifying experts, along with a report containing additional information such as their qualifications, opinions, and the bases for those opinions, at least ninety (90) days before trial. Fed. R. Civ. P. 26(a)(2)(D)(i).
Fed.R.Civ.P. 26(a) and (e) require parties to disclose all bases of their experts’ opinions and to timely supplement their expert disclosures upon discovery of an omission or as required by court order. You can read more about expert disclosure deadlines and other federal rules and procedures in this practice guide.
For information about the deadline for disclosure of rebuttal experts, click here.
When are expert disclosures due in federal court?
Links to Deadline Calculator Pages for Pertinent Federal Court Deadlines:
Answers to Counterclaims and Crossclaims
Reply to an Answer (If Ordered)
Effect of a Motion on the Answer Deadline
Responses to Discovery Requests
Affidavits in Opposition to Motions
