Quoted from frankie898:Harry Potter is also celebrating their 20 year anniversary next year in June.
Many sought-after licenses are probably possible, but very expensive, and may not be feasible from a financial perspective (e.g., The Beatles).
Harry Potter, on the other hand, is apparently the Holy Grail in pinball licensing. Unfortunately, J.K. Rowling appears to be against the idea of licensing her IP for a pinball machine. Even Roger Sharpe has indicated that the Harry Potter license is likely unobtainable.