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