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.