The Oklahoma Supreme Court has struck down a requirement that an affidavit of merit from an expert be filed with medical negligence lawsuits.
The statute at issue "requires that a plaintiff alleging medical malpractice attach an affidavit to the petition stating that the plaintiff: 1) has consulted with a qualified expert; 2) has obtained a written opinion from a qualified expert that the facts presented constitute professional negligence; and 3) has determined, on the basis of the expert’s opinion, that the malpractice claim is meritorious and based on good cause. Plaintiffs may petition the trial court for an extension for filing the affidavit of merit not to exceed ninety days. The request must be accompanied by a showing of good cause. Although the defendant may obtain a copy of the expert’s opinion, upon which the affidavit of merit is based, the opinion is inadmissable at trial and may not be utilized in discovery."
The requirement was struck down as a violation of a provision of the Oklahoma Constitution that provides that ""The Legislature shall not except as otherwise provided in this Constitution, pass any local or special law … Regulating the practice or jurisdiction of, or changing the rules of evidence in judicial proceedings or inquiry before the courts."