Like many industries, there has been much brand consolidation. The petroleum industry is a good example. I recall pumping gas in Iowa back in the late seventies — at a Phillips 66 gas station (recall that a couple of years ago Phillips merged with Conoco). While pumping gas in those days, I vividly remember
An interesting trademark case recently was filed in federal district court in Minnesota, Chevron Intellectual Property LLC et al v. MDW Equity Partners, LLC, a pdf copy of the complaint here.