History of the board game Monopoly as a game called "Inflation", designed by Rudy Copeland and published by the Thomas Sales Co., in Fort Worth, Texas, also came to the attention of Parker Brothers management in the 1930s, after they began sales of "Monopoly". Copeland continued sales of the latter game after Parker Brothers attempted a patent lawsuit against him. Parker Brothers held the Magie and Darrow patents, but settled with Copeland rather than going to trial, since Copeland was prepared to have witnesses testify that they had played "Monopoly" before Darrow's "invention" of the game. The court settlement allowed Copeland to license Parker Brothers' patents.
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