(815 ILCS 620/304) (from Ch. 29, par. 304)
    Sec. 304. Rights of customer against third parties. No contract for invention development services shall require the execution of any note or series of notes by the customer which, when separately negotiated, will cut off as to third parties any right of action or defense which the customer may have against the invention developer.
(Source: P.A. 81-542.)