It also demonstrates the value of having a written, executed partnership agreement.
Also, note here that Mr. Tabibian federally registered the Z-BURGER trademarks in his own name. While this may have won him the first round in his battle to own those trademarks, placing the goodwill of a hamburger chain in one’s own personal name may not be such a great idea. See http://nyti.ms/1QcrISB
For the Z-Burger case, see the October 28th piece from the New York Times at http://nyti.ms/1kRykwa