The judge postponed the hearing so the defense could get an inventory of items taken with search warrants and forensic analyses could be completed.
Clark is next due in court Nov. 3.
He is accused of strangling 24-year-old Annie Le (LAY) in September and hiding her body behind a wall in the laboratory building where they both worked.
Several media organizations have asked the judge to unseal an arrest affidavit that details the charge against Clark. The judge said he would not rule on the matter Tuesday.