In a year that legal consultancy Altman Weil reports is on track to break records for law firm mergers, a close look at the proposed combination of Patton Boggs and Locke Lord suggests there are reasons beyond mere size for both firms to consider joining forces.

Interviews with more than a dozen partners and former partners at both firms — and on-the-record discussions with Locke Lord managing partner Jerry Clements and Edward Newberry, her counterpart at Patton Boggs — revealed some of the benefits both firms might find in a merger.