Troegs recently filed action against Fegley's BrewWorks for trademark violation, contending that the use of the name 'Rude Elf's Reserve' infringes upon their 'Mad Elf.' Drink Philly provides some details here.
Could this be the inevitable backlash for my December side-by-side review of the two, in which Rude Elf's Reserve took the narrow advantage?
They might not say it explicitly, but Philadelphia Weekly seems to think so. As PW describes my article, "How could anyone be that into beer? We feel we know too much now."