10 Facts About Duff Beer

Duff Beer is a brand of beer that originated as a fictional beverage on the animated series The Simpsons.

Beers using the Duff branding have been brewed in a number of countries, resulting in legal battles with varying results.

Duff Beer speaks in a loud and overly-enthusiastic staccato voice and does a lot of exaggerated physical movements like a male exotic dancer - like dancing in place, groin-thrusting, hip shaking, and rubbing his buttocks with a towel.

Fudd, a competitor to Duff Beer, appears in the episodes "Colonel Homer" and "Lemon of Troy", the latter showing it being enjoyed by residents of Shelbyville, rival town to the Simpsons' home of Springfield.

Duff Beer UG applied for an EU Community Trade Mark in 2009, which was opposed by Twentieth Century Fox.

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Fox's CTM was cancelled by the OHIM in 2011, following a 2010 ruling by the Brussels Commercial Court that a "Duff Beer" logo applied exclusively to non-beer merchandise was misleading.

In May 2014, another incarnation of Duff Beer was launched and sold through the Woolworths chain, but was pulled from Australian shelves on September 8 after a complaint to the Alcohol Beverages Advertising Code adjudication panel was upheld over concerns over the product's appeal to minors.

Duff Beer managed to register the "Duff" trademark in Mexico, as well as the domain name DuffDeMexico.

The "Duff Beer" trademark was not registered in Mexico before Contreras registered it; however, Mexican intellectual property law recognizes the concept of "brand notoriety", which states that if any brand is well known by a specific section of the consumers or the industry due to the commercial activities or advertisement done by its owners, they have the right to claim the ownership of the trademark.

Since its inception, the Mexican brand Duff Beer has spread to other countries in Latin-America like Brazil, Chile, Colombia, among others.