A system and methods providing an exchange network for valuing and trading of intangible instruments, such as one or more rights to an intangible property including a given intellectual property (patents, copyrights, trademarks, trade dress, trade secrets and/or the rights of publicity). The system and methods permits a party to access a database of the intangible instruments including data relating to identifying value of the instrument. The system and methods permits a party to perform due diligence on the intangible instrument and, as a result, to formulate a bidding strategy for the intangible instrument that the bidder believes is appropriate. If the bidder and the owner reach agreement on the price, a transaction for the intangible instrument is executed between the parties.