Cynically, I would say that it depends on whether or not you can get your case to the Supreme Court. Normally, though, algorithms are not copyrightable. Though

Cynically, I would say that it depends on whether or not you can get your case to the Supreme Court. Normally, though, algorithms are not copyrightable. Though Books about algorithms are. In this case, the guy published a book containing a maze, so reproduction of the maze should fall under copyright.