McDonald’s Twitter account on March 8, 2018

Today is International Women’s Day. As a way to celebrate, McDonald’s has flipped their iconic golden arches upside-down. The arches, one of the most recognizable logos, have been physically flipped in one California location but can be seen on McDonald’s social media channels

When is a trademark not a trademark?  When it no longer performs the source identification function for which it was adopted.  In a recent decision of the Trademark Trial and Appeal Board of the United States Patent and Trademark Office, the Board cancelled the trademark registration (and refused a currently pending application) for the logo