History of the board game Monopoly the facts about the game's history and differed from Parker Brothers' "official" account. The court also upheld a "purchasing motivation" test (described in the decision as a "Genericness Doctrine"), a "test by which the trademark was valid only if consumers, when they asked for a "Monopoly" game, meant that they wanted Parker Brothers' version..." This had the effect of potentially nullifying the "Monopoly" trademark, and the court returned the case to Judge Williams. Williams heard the case again in 1980, and in 1981 he again held for Parker Brothers. Anspach appealed again, and in August 1982 the appeals court again
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