Law firms in The Am Law 100 saw gross revenue fall 3.4 percent in 2009 as a weak economy took its toll on the nation’s largest law firms.

The results of The American Lawyer’s annual report on the profitability of the nation’s largest law firms, released online today, reflect the fact that firms have faced one of the toughest economic climates they have seen in years. Yet the figures are not as bad as firms predicted just a year ago. And the 23 New York firms, which are located at the epicenter of the financial crisis, outperformed the rest of their competitors on the list.