Microsoft trademarks ‘Oneguide’; registers Halo: Spartan Assault domains June 2, 2013 by admin Tweet Microsoft has trademarked the term ‘Oneguide’ with the US Patent and Trademark Office and registered some new domain names that center around the title Halo: Spartan Assault. Read more… Neowin Related Posts:Fall Guys begins its Halo crossover event with…Halo: The Master Chief Collection for the PC gets a…Halo: Infinite's next Operation update, Banished…Halo Infinite's new game modes in Season 2 include a…This week's Free Play Days is looking a little…