Disney is continuing to enforce its intellectual property rights to characters in Steamboat Willie , the first animated short to depict Mickey Mouse that entered the public domain last year.

Personal injury law firm Morgan & Morgan intended to push a nationwide advertising campaign featuring the character but was met with resistance by Disney’s legal team. It has filed a lawsuit seeking a court order that the commercial doesn’t violate any of Disney’s rights.

The filing follows Disney in July suing a jewelry company whose product designs incorporate Steamboat Willie ‘s Mickey Mouse, though it appears as if it’s trying pass off the merchandise as coming from the entertainment giant. Disney still retains copyrights for later iterations of the characters, as well as trademarks, which v

See Full Page