Key evidence relied upon by movie studios in a substantial chunk of copyright infringement cases that have yielded vast sums of money from settlements has been ruled insufficient by a Federal Court judge who reversed a disclosure order on Thursday. TekSavvy Solutions Inc. challenged the disclosure orders brought by three movie studios against 13 internet service providers in November 2017. The Chatham-based ISP said the studios provided evidence to the court that was made up of unsworn...