definiens: means all of Sublicensor ’s rights in the IURTC Pat ent Rights as of the Effective Date that are reasonably necessary or useful in the Field, including ( a ) the patents and patent applications listed in Exhibit A attached hereto an d any other patents or patent applications included in the IURTC Patent Rights as of the Effective Date that are rea sonably necessary or useful in the Field ( the ) ; ( b ) all U.S. patent applications claiming priori ty to the Sublicensed Patents, including without li mitation divisionals, equivalent continuations and subject m atter claimed in continuations - in - part applications that are entitled to the priority filing date of any of the above ; ( c ) foreign equivalent applications claiming priority to the Sublicensed Patents ; ( d ) patents issuing from any o f the Sublicensed Patents ; ( e ) any of the foregoing during reissue, re - examination, opposition or post - grant r eview proceedings ; ( f ) reissues and re - examinations of any of the Sublicensed Patents ; ( g ) any extensions of or s upplementary protection certificates referencing an y of the above patents ; and ( h ) any Improvements related to the fo regoing that are added to this Agreement pursuant t o the terms and conditions of Section 2.6 below