definiens: ( as defined in the 1993 IM MTA and the 1998 MTA ), ( as defined in the 1993 24 Repligen MTA ) and ( as defined in the A ssignment of Rights Agreement ) and all related Intellectual Property Rights or other rights to own, transfer, license and otherwise exploit any deriv ative products from any of the research materials that th e Stockholder may have rights to under the followin g agreements : ( i ) Material Transfer Agreement between New England Deaconess Hospital and Immunomedics, Inc. of September 17, 1993 ( the ) ; ( ii ) Materials Transfer Agreement between Beth Isra el Deaconess Medical Center and Northwest Biotherapeutics, L.L.C. of April 9, 1 998 ( the ) ; ( iii ) Materials Transfer Agreement among New Englan d Deaconess Hospital, The Scripps Research Institute and Repligen Corporation of April, 1993 ( the ) ; and ( iv ) Assignment of Rights and Reimbursement of Lega l Expenses Agreement of April 14, 2015 between Beth Israel Deaconess Medica l Center, Inc. and Richard Junghans, M.D., Ph . D