One of the larger retailers of consumer quads, "Drone-World" was recently shut down. Apparently, the owner, Stephen McKenna, was counterfeiting products (cheap knockoffs) and passing them off as the original "real" product. Attached is the court docket of what is going on:
www.courtlistener.com

Aerial West, LLC v. Drone World, LLC, 2:18-cv-02288 - CourtListener.com
Docket for Aerial West, LLC v. Drone World, LLC, 2:18-cv-02288 — Brought to you by Free Law Project, a non-profit dedicated to creating high quality open legal information.