History of the board game Monopoly US and UK the year before World Championships through 2003–2004 but during the same year as of 2009 (see table, below). The determination of the US champion was changed for the 2003 tournament: winners of an Internet-based quiz challenge were selected to compete, rather than one state champion for each of the 50 states. The tournaments are now typically held every six years. In the past, the US edition Monopoly board was used at the World championship level, while national variants are used at the national level. Since true international play began in 1975, no World champion has come from
History of the board game Monopoly game's history, and argued that the copyrights and trademarks held by Parker Brothers should be nullified, as the game came out of the public domain. Among other things, Anspach discovered the empty 1933 Charles B. Darrow file at the United States Copyright Office, testimony from the "Inflation" game case that was settled out of court, and letters from Knapp Electric challenging Parker Brothers over "Monopoly". As the case went to trial in November 1976, Anspach produced testimony by many involved with the early development of the game, including Catherine and Willard Allphin, Dorothea Raiford and Charles Todd. Willard Allphin attempted