Exhibit 10.6 Dear : The Board of Directors (the "Board") of T Cell Sciences, Inc. (the "Company") has determined that appropriate steps should be taken to reinforce and encourage the continued attention and dedication of members of the Company's...Change in Control Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances
RECITALSLicense Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Massachusetts
AMENDMENT TO LEASE BETWEEN MOULTON REALTY COMPANY AND VIRUS RESEARCH INSTITUTE, INC.Lease • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Massachusetts
EXHIBIT 10.20 LICENSE AGREEMENT This License Agreement ("Agreement") is made effective as of this first day of December 1997, between VIRUS RESEARCH INSTITUTE, Inc., having a place of business at 61 Moulton Street, Cambridge, MA 02138, USA (herein...License Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Massachusetts
WITNESSETH:License Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Ohio
RECITALSLicense Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Massachusetts
EXCLUSIVE)License Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Massachusetts
andShareholder Rights Agreement • March 28th, 2000 • Avant Immunotherapeutics Inc • In vitro & in vivo diagnostic substances • Delaware
