(a) Such Grantor (either itself or through licensees) will, except as shall be consistent with Grantor’s commercially reasonable business judgment, (i) continue to use each material Trademark owned by such Grantor in order to maintain such Trademark in full   force free from any claim of abandonment for non-use, (ii) maintain as in the past substantially the quality of products and services offered under each such Trademark, (iii) use each such Trademark with the appropriate notice of registration and all other notices and legends, in each case as required by applicable Law, (iv) not adopt or use any mark which is confusingly similar or a colorable imitation of any such Trademark unless the Collateral Agent, for the ratable benefit of the Lenders, shall obtain a perfected security interest in such mark pursuant to this Agreement, and (v) not (and not permit any licensee or sublicensee thereof to) do any act or knowingly omit to do any act whereby any such material Trademark may become invalidated or impaired in any material way.