NEW YORK -- Lehman Brothers Holdings Inc.'s legal and financial advisers said Thursday they plan to hire about 200 professionals to help settle the more than 1 million derivatives trades the investment bank entered into before it collapsed last month.

Lehman attorney Harvey Miller said at a court hearing that advisers are working around the clock to understand Lehman's transactions in the wake of the "chaos" that resulted from its Sept. 15 bankruptcy filing, the largest ever in U.S. history.

Much...