There are several indications that Microsoft-connected shells, which produce no products and are threatening a large number of companies, are inadvertently if not intentionally helping Microsoft sell “indemnification” (“Azure IP Advantage,” which echoes the Microsoft/Novell strategy for collecting what they called “patent royalties” one decade ago)
http://techrights.org/2017/12/10/microsoft-is-selling-troll-protection/ [techrights.org]