Exhibit 10.18
PROPRIETARY INFORMATION, INVENTIONS, AND COMPETITION AGREEMENT
AGREEMENT, dated this 30th day of November 2006, by and between ImmunoGen, Inc., a Massachusetts
corporation having its principal place of business at 128 Sidney Street, Cambridge, Massachusetts 02139 (the
“Company”), and Walter A. Blattler, Ph.D., an individual residing at 197 Mason Terrace, Brookline, MA 02446
(“Employee”).
WITNESSETH :
WHEREAS, the Employee has been hired by the Company to perform certain services; and
WHEREAS, the Employee may be exposed, have access to, create or make contributions to the
Proprietary Information as defined below and/or inventions of the Company;
NOW, THEREFORE, in consideration for the Company’s employment of the Employee, and for other
good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, the parties
covenant and agree as follows:
1. Acknowledgements . The Employee understands and acknowledges that:
(a) As part of his/her services as an employee of the Company, he/she may be exposed or have
access to, or make new contributions and inventions of value to, the past, present and future
business, products, operations and policies of the Company.
(b) His/Her position as an employee creates a relationship of confidence and trust between the
Employee and the Company with respect to (i) information which is related or applicable to the
Company’s Field of Interest (as defined in 1(c) below) and the manner in which the Company
engages in business in such Field of Interest, and (ii) information which is related or applicable to
the business of the Company or any client, customer, joint venture or other person with which the
Company has a business relationship, (a ”Business Associate”), any of which information has
been or may be made known to the Employee by the Company (including, without limitation, any
member of the Company’s Scientific Advisory Board) or by any Business Associate of the
Company, or