NEW YORK - The trustee appointed under the Securities Investor Protection Act (SIPA) litigation in the Chapter 11 bankruptcy of MF Global Inc. (MFGI), the customer investment branch of MF Global Holdings Ltd. (MFGH), on April 7 filed a brief in the U.S. Bankruptcy Court for the Southern District of New York arguing that a claim against the MFGI estate should be reduced by $215,386.73 (In Re: MF Global Inc., No. 11-2790, Chapter 11, S.D. N.Y. Bkcy.).