Timeline of EU's legal battle with Google

As the European Union charges Google with rigging the global market for mobile apps, here is a look at the key dates in its legal tussle with the technology company.

November 2010: The EU opens a formal inquiry into whether Google manipulates search results in a way that favours its own business. The probe includes whether the search results favour Google's services, such as its price comparison business, how it displays the content of rivals and how it manages ads.