In the absence of a rule clearly requiring disclosure, a lawyer is obligated not to disclose information which is adverse to the interests of a client. However, judges should be able to expect lawyers to disclose information about procedural matters. This Article argues that Model Rule of Professional Conduct 3.3 should be amended to require disclosure of information about procedural matters. Part I describes the events in Potter v. Eli Lilly & Co., a case involving a secret settlement related to Prozac. Part II makes the argument for a rule requiring disclosure of procedural information. Part III describes how such a rule would be applied.