Figures from court documents show that Samsung paid Microsoft around $1 billion (£622 million) in a year to use the Android operating system.

The two companies signed a patent licensing agreement in 2011, with Samsung agreeing to pay Microsoft, although the amount was undisclosed at the time.

Microsoft has taken legal action against Samsung in the USA.

The two companies signed a cross-licence patent agreement almost three years ago that involved Microsoft receiving royalties for Samsung devices running the Android mobile platform.

We start this week's podcast with Tesco's plans for a Hudl-branded smartphone. Next comes some potentially good news about the 'patent wars' affecting the mobile industry - although there's certainly no sign of a ceasefire.

Later we discuss an announcement from Facebook about its mobile advertising scheme, an unfortunate mistake for O2's Travel service, a new 20 megapixel camera-phone and an automotive investment by Nokia.

A court in California has ordered Samsung to pay $119.6 million (£70.9 million) for infringing Apple patents. However, it noted that Samsung hadn’t infringed all of the patents that Apple claimed.

In addition, Apple was ruled to have infringed a Samsung patent and was required to pay $158,000 damages.

This week the European Commission has made two competition-related rulings that could transform the legal landscape for technology companies involved in patent disputes.

In one case, it’s concluded that Motorola abused its position as the holder of ‘standards essential’ GSM patents by enforcing an injunction against Apple in Germany.