From this site:
On October 26, 2009, the NAWL and the NAWL Foundation released the results of the fourth annual Survey on Retention and Promotion of Women in Law Firms. The Survey is the only national study of the nation’s 200 largest law firms which annually tracks the progress of women lawyers at all levels of private practice, including the most senior positions, and collects data on firms as a whole rather than from a subset of individual lawyers. The 2009 Survey underscores that women are significantly under-represented in the upper levels of law firms and that the large majority of women who start as associates in firms do not advance to equity partnership and even fewer become law firm leaders. Male lawyers remain the most powerful and best compensated members of firms, hold the vast majority of ownership shares, dominate firm governing committees and represent the overwhelming number of major rainmakers in firms. The co-authors of the Survey are NAWL Foundation President Stephanie Scharf, Partner at Schoeman Updike Kaufman & Scharf in Chicago, Cheryl Tama Oblander, Partner at Butler Rubin Saltarelli & Boyd LLP in Chicago, Marianne Trost, Principal, The Women Lawyers Coach LLC, and Elizabeth Tipton, MPES Fellow, Department of Statistics, Northwestern University.
â€¢ Press Release (PDF)