While you may have a point for patent trolls fishing for royalties on obvious &quot;inventions&quot;, this hardly applies to Ericsson: <a href="http:&#x2F;&#x2F;www.ericsson.com&#x2F;ourportfolio&#x2F;products" rel="nofollow">http:&#x2F;&#x2F;www.ericsson.com&#x2F;ourportfolio&#x2F;products</a>