Charles Darrow into smaller sets, sold in black cardboard boxes, with boards sold separately from the sets. After Darrow started to take orders from other Philadelphia department stores, Parker Brothers reconsidered. Parker Brothers negotiated the rights from Darrow to produce the game in large scale. Darrow sought and received on the game in 1935, which Parker Brothers acquired. Within a year, 20,000 sets of the game were being produced every week. "Monopoly" ended up being the best-selling board game in America that year, and it made Darrow the first millionaire game designer in history. Darrow was later promoted as the sole inventor
History of the board game Monopoly sole inventor of the game, but sought out an affidavit by Darrow to repeat his statements to the contrary, and thus bolster their claim to the game. Parker Brothers subsequently decided to buy out Magie's 1924 patent and the copyrights of other commercial variants of the game to claim that it had legitimate undisputed rights to the game. Robert Barton, president of Parker Brothers, bought the rights to "Finance" from Knapp Electric later in 1935. "Finance" would be redeveloped, updated, and continued to be sold by Parker Brothers into the 1970s. Other board games based on a similar principle, such