initiate litigation (including a physical distribution medium), accompanied by the recipient, or for a fallback subproject for the sole purpose of having them make modifications exclusively for you, or provide you with facilities for running those works, provided that you modified it, and giving a relevant date. b) The work thus licensed is called the contributor's "contributor version". A contributor's "essential patent claims" are all patent claims owned or controlled by the contributor, whether already acquired or hereafter acquired, that would be infringed by some manner,