Big Law has a major gender equality problem, according to David Sanford, the chairman of Sanford Heisler Sharp.

Sanford is in a position to know. His firm is taking action to address the disparities he sees—it currently represents about a dozen woman partners­, and it is pursuing bias claims against at least five firms in cases that are not yet public. He’s also handled many cases that ended in confidential settlements­­—deals that when added together, he says, enabled female partners to recover tens of millions of dollars.