The consortium of investors that bought VimpelCom Ltd.’s stake in Wind Mobile didn’t make the deal contingent on regulatory approval, a clause it was able to include because of a breach in the confidentiality agreement between VimpelCom and The Catalyst Capital Group Inc., according to allegations levelled Tuesday against the consortium in a filing to the Ontario Superior Court. Catalyst is asking for $750 million in the lawsuit, a number based on the profit Wind earned on its recent sale to Shaw Communications Inc. In the statement of claim...