Law Schucks has a Layoff Tracker that tracks law firm layoffs since January 2008. They analyze this data in a variety of ways, chronologically (by month, calendar year, rolling 12 month) and by firm. As of June 14, 2009, over

12,542 people have been laid off by major law firms (4,874 lawyers / 7,668 staff) since January 1, 2008
10,550 (3,944 / 6,606) people have been laid off from law firms in calendar 2009
308 (63 / 245) have been laid off in June