ADT LLC v. Northstar Alarm Services, LLC

WILLIAM PRYOR, Circuit Judge:

This appeal presents the question whether a nonparty, not in privity with a party to an injunction, may be bound by that injunction as a successor in interest under the theory of de facto merger. After ADT LLC, sued Vision Security, LLC, for violations of the Lanham Act, 15 U.S.C. § 1125(a), the parties agreed to an injunction that prohibited Vision Security from using certain sales tactics. NorthStar Alarm Services, LLC, then acquired customer accounts, rental leases, and other assets from Vision Security and hired four senior officers and some of the sales team…