Today, there’s another signal that the days of “do it on a computer” patents may finally be numbered—at least if a defendant is willing to last through an appeal. Yes, you read that right: bingo.

Bingo may be homey. But it’s not immune to high-tech. Computer bingo parlors are opening in Largo, Palm Harbor and Sarasota. Bingoers say computers take the stress out of felt-pen-and-card bingo.

PH Bingo has embraced the digital era, allowing players to enjoy the same familiar gameplay from almost anywhere. But while ...