Additional IP Rights Grant (Patents)&#xA;&#xA;&#34;This implementation&#34; means the copyrightable works distributed by&#xA;Google as part of the WebRTC code package.&#xA;&#xA;Google hereby grants to you a perpetual, worldwide, non-exclusive,&#xA;no-charge, irrevocable (except as stated in this section) patent&#xA;license to make, have made, use, offer to sell, sell, import,&#xA;transfer, and otherwise run, modify and propagate the contents of this&#xA;implementation of the WebRTC code package, where such license applies&#xA;only to those patent claims, both currently owned by Google and&#xA;acquired in the future, licensable by Google that are necessarily&#xA;infringed by this implementation of the WebRTC code package. This&#xA;grant does not include claims that would be infringed only as a&#xA;consequence of further modification of this implementation. If you or&#xA;your agent or exclusive licensee institute or order or agree to the&#xA;institution of patent litigation against any entity (including a&#xA;cross-claim or counterclaim in a lawsuit) alleging that this&#xA;implementation of the WebRTC code package or any code incorporated&#xA;within this implementation of the WebRTC code package constitutes&#xA;direct or contributory patent infringement, or inducement of patent&#xA;infringement, then any patent rights granted to you under this License&#xA;for this implementation of the WebRTC code package shall terminate as&#xA;of the date such litigation is filed.&#xA;