Attorneys are still pushing for more clarity on the standards and benefits of voluntary self-disclosure a little more than a year since a U.S. Securities and Exchange Commission head made a controversial speech about cooperation and defense counsel delay tactics.

Last May, Gurbir Grewal, director of the SEC’s Division of Enforcement, told attendees of the Securities Enforcement Forum West, “Too often, we see defense counsel—sometimes even including [SEC enforcement division] alums—engage in conduct that seems to have little purpose other than to delay our investigations,” according to a transcript of the speech on the SEC website.