No obligation shall apply to information and documents
3-(a) which are already known to, or in the possession of the receiving PARTY prior to receipt of such information;
3-(b) which are legally received by a PARTY from a third party without any confidentiality obligation;
3-(c) which are in the public domain or enter the public domain through no wrongful act of the receiving PARTY;
3-(d) which can be proven by the receiving PARTY to have been developed independently of confidential information received from the other PARTY.
3-(e) is approved in writing by the disclosing PARTY for unrestricted release or unrestricted use by the receiving PARTY; or
3-(f) is required by judicial action to be disclosed after all reasonable remedies to maintain the confidentiality of the Confidential Information have been exhausted.
The PARTIES providing confidential information shall remain vested holder of such information.
Nothing contained in this Agreement shall be construed as granting or conferring any patent rights or license, either expressly or by implication.