History of the board game Monopoly of a larger "Monopoly" brand, licensed by Parker Brothers' parent companies onto a variety of items through the present day. Despite the "rediscovery" of the board game's early history in the 1970s and 1980s, and several books and journal articles on the subject, Hasbro (Parker Brothers' current parent company) did not acknowledge any of the game's history before Charles Darrow on its official "Monopoly" website as recently as June 2012, nor did they acknowledge anyone other than Darrow in materials published or sponsored by them, at least as recently as 2009. International tournaments, first held in the early 1970s, continue
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