This presentation will discuss the below issues related to endorsement of medical providers as retained and non-retained experts, issues in the context of medical malpractice litigation: • Retained expert endorsements o Rule 26 requirements o CMO language o Deposition v. endorsement o Fees o District court orders • Non-retained expert endorsements o Rule 26 requirements o CMO language o District court orders • Ex parte meetings with treating providers o Authority o CMO language o Meetings/records/standard of care opinions o Challenge to sufficiency of endorsement o District court orders