NEW YORK - The liquidating trustee in the Chapter 11 bankruptcy of former law firm Dewey & LeBoeuf on July 5 filed a brief objecting to a claim valued at $6,626,777 filed by Gallagher Fiduciary Advisors LLC (GFA) on grounds that the claim was already waived by the firm's former partners (In Re: Dewey & LeBoeuf, No. 12-12321. Chapter 11, S.D. N.Y. Bkcy.).