key: google-patent-license-webm
short_name: Google Patent License for WebM
name: Google Patent License for WebM
category: Patent License
owner: Google
homepage_url: https://www.webmproject.org/license/additional/
spdx_license_key: LicenseRef-scancode-google-patent-license-webm
text: |
  Additional IP Rights Grant (Patents)
  ------------------------------------

  "These implementations" means the copyrightable works that implement the
  WebM codecs distributed by Google as part of the WebM 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 these implementations of WebM, where such license applies only to
  those patent claims, both currently owned by Google and acquired in
  the future, licensable by Google that are necessarily infringed by
  these implementations of WebM. This grant does not include claims that would
  be infringed only as a consequence of further modification of
  these implementations. If you or your agent or exclusive licensee institute
  or order or agree to the institution of patent litigation or any other
  patent enforcement activity against any entity (including a cross-claim
  or counterclaim in a lawsuit) alleging that any of these implementations
  of WebM or any code incorporated within any of these implementations of
  WebM constitute direct or contributory patent infringement, or
  inducement of patent infringement, then any patent rights granted to you
  under this License for these implementations of WebM shall terminate as
  of the date such litigation is filed.