definiens: means, as to any Person, any other Pers on that, directly or indirectly, controls, or is controlled by, or is under common control with, suc h Person . For this purpose, ( including, w ith its correlative meanings, and ) shall mean the possession, dire ctly or indirectly, of the power to direct or cause the dir ection of management or policies of a Person, wheth er through the ownership of Securities or partnership or other ownership interests, by contract or otherwise . For purposes of this Agreement, ( a ) prior to the Effective Time ( as defined in the Merger Agreement ), none of Abbott o r any of its Affiliates shall be deemed or considered Affili ates of Seller or any of its Affiliates and ( b ) fro m and after the Effective Time, Seller and its Affiliates shall be deemed Affiliates of Abbott and its Affiliates