1*b2055c35SXin LiAdditional IP Rights Grant (Patents) 2*b2055c35SXin Li------------------------------------ 3*b2055c35SXin Li 4*b2055c35SXin Li"These implementations" means the copyrightable works that implement the WebM 5*b2055c35SXin Licodecs distributed by Google as part of the WebM Project. 6*b2055c35SXin Li 7*b2055c35SXin LiGoogle hereby grants to you a perpetual, worldwide, non-exclusive, no-charge, 8*b2055c35SXin Liroyalty-free, irrevocable (except as stated in this section) patent license to 9*b2055c35SXin Limake, have made, use, offer to sell, sell, import, transfer, and otherwise 10*b2055c35SXin Lirun, modify and propagate the contents of these implementations of WebM, where 11*b2055c35SXin Lisuch license applies only to those patent claims, both currently owned by 12*b2055c35SXin LiGoogle and acquired in the future, licensable by Google that are necessarily 13*b2055c35SXin Liinfringed by these implementations of WebM. This grant does not include claims 14*b2055c35SXin Lithat would be infringed only as a consequence of further modification of these 15*b2055c35SXin Liimplementations. If you or your agent or exclusive licensee institute or order 16*b2055c35SXin Lior agree to the institution of patent litigation or any other patent 17*b2055c35SXin Lienforcement activity against any entity (including a cross-claim or 18*b2055c35SXin Licounterclaim in a lawsuit) alleging that any of these implementations of WebM 19*b2055c35SXin Lior any code incorporated within any of these implementations of WebM 20*b2055c35SXin Liconstitute direct or contributory patent infringement, or inducement of 21*b2055c35SXin Lipatent infringement, then any patent rights granted to you under this License 22*b2055c35SXin Lifor these implementations of WebM shall terminate as of the date such 23*b2055c35SXin Lilitigation is filed. 24