definiens: means any Patent that ( a ) is Controlled by Concer t or its Affiliates as of the Effective Date or atany time during the Term, and ( b ) is necessary or u seful to develop, manufacture, use, offer for sale, sell or import any D - GHBCompound . Licensed Patents include all Patents list ed on Exhibit A . Licensed Patents also include all Joint Patents, allDevelopment Patents that are solely owned by Concer t, and all Patents owned by Concert that claim or d isclose Inventionsunder the Feasibility Agreement ( as Inventions is d efined in the Feasibility Agreement ), in each case that are necessary oruseful to develop, manufacture, use, offer for sale, sell or import any D - GHB Compound . [ * * ] 1.58 means any product containing a D - GHB Compound, in cluding all forms, presentations, dosesand formulations, the composition of matter, manufa cture or use of which is claimed by or uses or embo dies any LicensedIntellectual Property