Common use of VALIDITY AND INFRINGEMENT Clause in Contracts

VALIDITY AND INFRINGEMENT. As of the Effective Date, Ista is not aware of any prior act or any fact which would cause it to conclude that any Licensed Patent is invalid or unenforceable, PROVIDED HOWEVER, THAT ISTA EXPRESSLY DOES NOT WARRANT THAT ANY ISTA PATENT IS VALID OR ENFORCEABLE.

VALIDITY AND INFRINGEMENT. As of the Effective Date, Ista ISTA is not aware of any prior act or any fact which would cause it to conclude that any Licensed Patent is invalid or unenforceable, PROVIDED HOWEVERprovided however, THAT that ISTA EXPRESSLY DOES NOT WARRANT THAT ANY expressly does not warrant that any ISTA PATENT IS VALID OR ENFORCEABLEpatent is valid or enforceable.

VALIDITY AND INFRINGEMENT. As of the Effective Date, Ista ISTA is not aware of any prior act or any fact which would cause it to conclude that any Licensed Patent is invalid or unenforceable, PROVIDED HOWEVER, THAT ISTA EXPRESSLY DOES NOT WARRANT THAT ANY ISTA LICENSED PATENT IS VALID OR ENFORCEABLE.