Amazon files patent suit against Discovery

US online retail giant Amazon has filed a lawsuit against Discovery Communications alleging it infringed four of Amazon's e-commerce patents, The Wall Street Journal reported on Tuesday.

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<p><a href="http://www.physorg.com/news161974355.html">Amazon files patent suit against Discovery</a></p> <p>US online retail giant Amazon has filed a lawsuit against Discovery Communications alleging it infringed four of Amazon's e-commerce patents, The Wall Street Journal reported on Tuesday.</p>