Apple's (AAPL 1.27%) extremely simple workaround for VirnetX's (VHC -2.50%) networking patents reveal how easily the company's claims can be ignored. Add in a recent court victory by Cisco Systems (CSCO 0.06%) over many of the same VirnetX claims, and the cracks in the patent trolling strategy start to show.

In this video, Fool contributor Anders Bylund explains why these developments are bad news for VirnetX.