History of the board game Monopoly Other agreements were reached on "Big Business" by Transogram, and "Easy Money" by Milton Bradley, based on Daniel Layman's "Finance". Another clone, called "Fortune", was sold by Parker Brothers, and became combined with "Finance" in some editions. "Monopoly" was first marketed on a broad scale by Parker Brothers in 1935. A Standard Edition, with a small black box and separate board, and a larger Deluxe Edition, with a box large enough to hold the board, were sold in the first year of Parker Brothers' ownership. These were based on the two editions sold by Darrow. Parker Brothers sets were the
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