It’s not just about the Fortnite lawsuits. “Choreographers and performers have danced around this issue for more than a century. In 1892, Loie Fuller was denied a trademark for her famous ‘serpentine routine’ because back then, the law only protected works that told a story. Then came the modern dance movement. In the 1970s, copyright expanded to cover abstract and non-narrative movement. But like a lot of today’s viral artists, many dancers never bothered to register their work.” (includes video) – CBS