Common use of Reversion Option Clause in Contracts

Reversion Option. EISAI shall have the right to elect, pursuant to written notice provided to EPIZYME on or before the later of (i) the date that is [**] days after the effective date of such termination and (ii) the date that is [**] days after EPIZYME provides the report required by Section 12.5.2(j), for the provisions set forth in Sections 12.5.2(c) through 12.5.2(i) to become effective.