definiens: means unpatented Know - How that, as of the Effective Date, ( a ) is Controlled byLicensor pursuant to the Existing Licenses or the Penn Sponsored 5****CERTAIN INFORMATION HAS BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION . CONFIDENTIALTREATMENT HAS BEEN REQUESTED WITH RESPECT TO THE OMITTED PORTIONS.CONFIDENTIAL TREATMENT REQUESTEDResearch Agreement or pursuant to Licensor ’s ownership thereof, ( b ) is directed to the triple - transfection method formaking adeno - associated virus vectors, and ( c ) is set forth on Exhibit B ; provided that, notwithstanding the scope ofthe license grant in Section 2.1, any rights granted to Licensee under this Agreement with respect to the TripleTransfection Know - How will be limited to use of such Know - How in the Field through Phase 2 clinical trials