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
Parker Brothers subsidiary Kenner; this new company, Kenner Parker Toys Inc., was acquired by Tonka in 1987. Tonka, including Parker Brothers, was bought in 1991 for about $516 million by Hasbro which also owned the Milton Bradley Company. Following the acquisition, Parker Brothers continued to have its corporate offices in Beverly, but production of the games were moved to Milton Bradley's headquarters in East Longmeadow. In 1998, Parker Brothers and Milton Bradley were consolidated at the new Hasbro Games campus (based in Parker Brother's former headquarters). Parker Brothers Parker Brothers was an American toy and game manufacturer which later became a brand