definiens: shall mean any and all Skelaxin Manufacturing Know - How, product specifications, processes, produc t designs, plans, trade secrets, ideas, concepts, inventions, manufacturing, engineering and other manuals and drawings, standard operating procedures, formulae, flow diagrams, chemical, pharmacological, toxicological, pharmaceu tical, physical, analytical, stability, safety, quality assurance, quality contr ol and clinical data or information, technical information, research record s or information, and all other confidential or proprietary technical and bus iness information, that is currently owned, leased or licensed by any of the E lan Companies or any of their respective Subsidiaries and which is exclusively re lated to, or is necessary and primarily related to, the Skelaxin Business as of t he Closing Date . For the sake of clarity, none of the foregoing information shall be included in Skelaxin Know - How to the extent that such information is cov ered by any claim of any Skelaxin Patent Rights