A man does not have a claim under the Illinois Condominium Property Act against the company he alleges overcharged him for the real estate documents he needed to sell his condo, a federal judge has held.In a written opinion Monday, U.S. District Judge John Robert Blakey threw out a proposed class-action lawsuit Robert Ahrendt filed against CondoCerts.com Inc.Blakey did not rule on the merits of the contention that CondoCerts violated the act when it charged Ahrendt $40 in service fees and $370 in document fees to pull up …