1 EXHIBIT 4.4 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "AGREEMENT") is made and entered into as of August 28, 2001, among Hyseq, Inc., a Nevada corporation (the "COMPANY"), and the investors signatory hereto (each a...Registration Rights Agreement • September 25th, 2001 • Hyseq Inc • In vitro & in vivo diagnostic substances • New York
ARTICLE I DEFINITIONSSecurities Purchase Agreement • September 25th, 2001 • Hyseq Inc • In vitro & in vivo diagnostic substances • New York
