NEW YORK - The trustee in the Securities Investor Protection Act (SIPA) litigation related to the Chapter 11 bankruptcy of MF Global Inc. (MFGI), the customer investing affiliate of bankrupt MF Global Holdings Ltd. (MFGH), on May 21 filed a brief in the U.S. Bankruptcy Court for the Southern District of New York objecting to $1,990,768.53 in claims against the bankruptcy estate, arguing that they should be disallowed (In Re: MF Global Inc., No. 11-2790, Chapter 11, S.D. N.Y. Bkcy.).