their Affiliates. For purposes of clarity, the foregoing does not prevent Conformis from granting any license, release, covenant not to sue or other immunity to any third party under any Patents, including any such immunity that would authorize manufacture, use or sale of Patient-Specific Instrumentation for Off-The-Shelf Knee Implants outside the Buyer Field. ARTICLE V INTELLECTUAL PROPERTY 5.1 Inventions. (a) Inventorship of all Inventions developed by either Party, or both Parties, in the performance of the R&D Program, shall be determined in accordance with the inventorship laws of the United States, even to the extent such Invention is not pursued in patent applications. (b) All right, title and interest in and to the Improved Stryker Background IP will vest solely in Stryker. Conformis agrees to assign and hereby assigns to Stryker all right, title and interest in and to all Improved Stryker Background IP in which ownership in same has vested in 11 Source: CONFORMIS INC, 10-Q, 11/1/2019 Conformis by operation of law or by assignment by its employees or consultants; and to facilitate such assignment to Stryker, Conformis agrees (i) to regularly ensure that its employees and consultants timely make any appropriate assignments to it of that which constitutes Improved Stryker Background IP, and (ii) at Stryker's reasonable request, to execute and have its employees and consultants execute, as necessary, all assignments and any other documentation necessary to perfect title in Stryker of such Improved Stryker Background IP. (c) All right, title and interest in and to the Improved Conformis Background IP and KIB Product IP ("Joint IP") shall be owned jointly by the Parties. Subject to the limitations set forth in this Agreement, the Joint IP may be used freely by either Party or its Affiliates and licensed to Third Parties by Conformis and its Affiliates, on the