Perry v. Bakewell Hawthorne, LLC

*538 After a trial date is set, a party may demand a simultaneous exchange of expert witness information by all parties. ( *765 Code Civ. Proc., § 2034.210.) Unreasonable failure to respond makes the noncomplying party's expert opinion inadmissible, unless the court grants relief. (§§ 2034.300, 2034.620, 2034.720.) The question here is whether this exclusionary rule applies at the summary judgment stage. The expert witness disclosure statutes provide no answer. However, section 437c, subdivision (d) requires that affidavits and declarations submitted in summary ***2 judgment proceedings "set forth…