Law firms typically advise Fortune 500 companies, not emulate them. But that’s exactly what DLA Piper Rudnick Gray Cary did last November, when 47 lawyers on its leadership team met for a weeklong seminar at Harvard Business School.

Just 10 months after creating a massive, 3,100-lawyer worldwide operation, the firm reassessed its undertaking by using case studies of investment giant Morgan Stanley and advertising behemoth Ogilvy & Mather to examine the daunting issues of globalization and integration it currently faces.