definiens: shall mean technologies conce ived, reduced to practice, developed, or acquired, by or for MVP, or licensed to MVP, or dev eloped jointly with DUKE, relating to mammalian urate oxidase ( mammalian uricase ) and non - mammalian urate oxidase ( non - mammalian uricase ) and PEG conjugates of both mammalian uricase and non - ma mmalian uricase, including the know - how and other information described in detail in Exhibit B attached hereto and made a part hereof, as of the EFFECTIVE DATE, including any improvements made by MVP thereon during the TERM of this AGREEMENT, for use in the FIELD ; provided, however, that with respect to such improvements, MVP shall promptly disclose each such improvement to BT G and it shall be included in the license only if, within six ( 6 ) months after disclosure, BTG elects to incorporate the improvement into LICENSED PRODUCTS or the manufacturing process thereof