A little while back I wrote about the Likelihood of Confusion test in Trademark Law and how it protects trademark owners against much more than simply likelihood of confusion as to source.
I also wrote about how Wolf Appliance was able to convince a federal judge in Wisconsin to grant a preliminary injunction barring Viking Range from selling a
More on single color trademarks today. Eighteen months ago, Wolf Appliance obtained a federal trademark registration in connection with "a red knob or knobs" of "domestic gas and electric cooking appliances, namely, ranges, dual-fuel ranges, cooktops, and barbeque grills."
Wolf put its registration to the test a couple of weeks ago in a federal