In advance of similar pleas to U.S. regulators, Google has filed an antitrust complaint in Europe arguing that Microsoft and Nokia are using patent “trolls” -- or proxy companies -- to wield patents and hurt Android. “The Internet-search giant alleges that Microsoft and Nokia have entered into agreements that enable entities such as Canada-based Mosaid Technologies Inc. to legally enforce their patent rights and share the resulting revenue,” reports The Wall Street Journal. “Google argues that it's launching the complaint as an early defensive measure,” Engadgetreports. “Google's accusations highlight current cut-throat competition in the mobile phone business where …