definiens: means all Know - How related to Atrigel and which is owned by or under the Control of LICENSOR as of the Effective Date, including, but not limited to, the information and data contained within the Regulatory Materials for Atrigel­formulated products ( but excluding the Regulatory Materials themselves, rights to which are provided under Section 2.3 ) and all data and documentation of clinical trials for any of the Atrigel - formulated products excluded from this license, in each case, owned by or under the Control of LICENSOR as of the Effective Date . Notwithstanding the foregoing, shall exclude ( a ) any Know - How relating solely to the Retained Products ( but only if such Know - How is not useful for any Licensed Products ), and ( b ) any data, information or other Know - How to the extent LICENSOR is restricted from disclosing or providing access to such data, information and Know - How under an agreement with a Third Party as of the Effective Date as indicated on Exhibit K ( each a ) ; provided, that any such data and information or other Know - How ( otherwise meeting the Licensed Know - How definition above in the absence of such restriction ) shall be included automatically in the Licensed Know - How once, if and to the extent the applicable restriction in any such Restricted Agreement ceases to restrict such disclosure and/or access