definiens: shall mean all of Hal ozyme ’s rights ( including Halozyme ’s grantback rights from third parties to the extent sublicensab le ) in ( a ) all patent applications heretofore or he reafter filed that claim or cover PH20 Drug [ * * * * * ] alone or in combin ation with any other composition, as necessary or u seful to develop, obtain regulatory approval for, manufactur e, commercialize or use Products in the Licensed Fi eld, ( b ) all patents that have issued or in the future i ssue from any of the foregoing patent applications, including without limitation utility models, design patents a nd certificates of invention, and ( c ) all divisiona ls, continuations, continuations - in - part, reissues, ren ewals, extensions or additions to any such patents and patent applications . For clarity, Licensed Patents Rights include Collaboration Supported PH20 Patents