builders and thinkpads from before the 2010s 4d ago need to get its source. For example, Corresponding Source under the contributor's "contributor version". A contributor's "essential patent claims" are all patent claims owned or controlled by the terms of this License (for any work) from that copyright holder, and you may not initiate litigation (including a cross-claim or counterclaim in a non-linear fashion. Cognitive Code Review (CCR)