History of the board game Monopoly reversed. The case was then appealed by General Mills/Parker Brothers to the United States Supreme Court, which decided not to hear the case in February 1983, and denied a petition for rehearing in April. This allowed the appeals court's decision to stand and further allowed Anspach to resume publication of his game. With the trademark nullified, the name "Monopoly" entered the public domain, where the naming of games was concerned, and a profusion of non-Parker-Brothers variants were published. Parker Brothers and other firms lobbied the United States Congress and obtained a revision of the trademark laws. The case was finally
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