You Know What It Is: Taco Tuesday and the Failure-to-Function Doctrine In Trademark Law

The foundational requirement that a trademark function as a trademark has received little attention in the case law. More recently, however, there has been an apparent uptick in scrutiny of trademark use by the USPTO and TTAB, as well as fresh academic attention paid to the issue.

11 minute read March 01, 2020 at 12:07 AM
By
Brandon Leahy
You Know What It Is: Taco Tuesday and the Failure-to-Function Doctrine In Trademark Law

In LeBron James' house, Tuesday nights mean one thing: Tacos. In a series of Instagram posts last year, the NBA superstar gleefully announced to his 50-plus million followers that he and his family were enjoying the tradition of eating tacos on Tuesday.

This premium content is locked for The Intellectual Property Strategist subscribers only

ENJOY UNLIMITED ACCESS TO THE SINGLE SOURCE OF OBJECTIVE LEGAL ANALYSIS, PRACTICAL INSIGHTS, AND NEWS IN The Intellectual Property Strategist

  • Stay current on the latest information, rulings, regulations, and trends
  • Includes practical, must-have information on copyrights, royalties, AI, and more
  • Tap into expert guidance from top entertainment lawyers and experts

Already have an account? Sign In Now

For enterprise-wide or corporate access, please contact Customer Service at [email protected] or call 1-877-256-2473.

NOT FOR REPRINT

© 2026 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Continue Reading

Agentic AI introduces risks that are novel and complex, but the most effective response is a familiar one. Zero Trust answers the problem of when an AI agent misfires on its own by constraining what an agent can do rather than betting on how it will behave.

July 31, 2026

The outsourcing of office and administrative services is expected to grow 50%-60% in the next five years. Contrary to what decision-makers think, and what the service providers hope you think, the biggest risk in outsourcing isn't choosing the wrong provider. It's outsourcing the wrong process, under the wrong model, with the wrong performance measures and contract terms.

July 31, 2026