Common use of Interference, Opposition, Reexamination and Reissue Clause in Contracts

Interference, Opposition, Reexamination and Reissue. Either party shall, within ten (10) days of learning of such event, inform the other party of any request for, or filing or declaration of, any interference, opposition, or reexamination relating to ISIS Patent Rights in the Field. MERCK and ISIS shall thereafter consult and cooperate fully to determine a course of action with respect to any such proceeding subject to the following: (a) Any interference, opposition, reissue, or reexamination proceeding relating to ISIS Patent Rights which claim, cover or relate to Compound in the Territory shall be conducted at MERCK's expense by independent patent legal counsel chosen by MERCK and reasonably acceptable to