SPRINGFIELD — Even if you don’t know that a colleague lied on your law firm’s legal-malpractice insurance application, all the attorneys at the firm could lose coverage if the misrepresentation is exposed. In a 6-1 decision today, the Illinois Supreme Court ruled an insurance company could legally rescind a policy because it was procured with a false statement of facts, even though another attorney covered by the policy didn’t know about the misrepresentation. The dissenting justice, Thomas L …