"A Wyoming‑based fast-food taco chain that claimed the 'Taco Tuesday' trademark roughly 30 years ago and has aggressively defended it, reportedly sending hundreds of cease-and-desist letters to restaurants and other businesses that attempted to use the phrase. Because of that long-standing, enforced trademark claim, anyone seeking to commercialize or re-register the term today could face legal pushback from the chain." - Greg Morabito