ก) is or becomes public knowledge otherwise than through a breach of an obligation of confidentiality owned (whether directly or indirectly) to the other party; or
ข) was in possession of the receiving party prior to receiving it from the transmitting party, or
ค) is or becomes available to the receiving party from a source other than the disclosing party on an unrestricted basis, or
ง) is developed by the disclosing party and the said party has a right to disclose such information