definiens: shall mean any patents or patent applications claiming an improvement or a newuse of an invention described by a Valid Claim in the Licensed Patents that, if unlicensed, would infringe one ormore Valid Claims of the Licensed Patents . Licensee shall provide WSU with a written disclosure of each suchImprovement Patent ( such as a U.S. patent application ) in which Licensee has an ownership interest, identifyingit as an Improvement Patent governed by this Section 2.3, within [ † ] months of ﬁling a patent application withrespect thereto . WSU may exercise its option to obtain a non - exclusive license described in this Section 2.3under any such Improvement Patent by providing written notice of its election to Licensee within [ † ] days after thedate of such disclosure ( ) . Further, if WSU exercises its option within theapplicable WSU Option Exercise Period, WSU and Licensee shall negotiate in good faith, for a period of up to [ †]daysPage 6 of 27WSU AGR # [ † ]