Definition of JDP SPTL Development

JDP SPTL Development means any Improvement to the SPTL Background Intellectual Property or any Intellectual Property applicable to the SPTL Field (but not the AUO Field), in each case that is Invented pursuant to a Joint Development Program commenced under a JDP Agreement with an effective date before the earlier of (i) the second anniversary of the Closing Date or (ii) the termination of the JVA.