Those who can't, Patent Troll:
https://www.anandtech.com/show/14795/globalfoundries-sues-tsmc-over-patent-infringement-apple-qualcomm-others-named-defendants
Jonathan Rosenberg is the VP/CTO Collaboration at Cisco, SIP lead author, and a VoIP industry pioneer. He has written a blog post about the vagueness of software patents and how this has created the modern day patent troll. Patent trolls are companies that don't make a product but collect...
IBM is seeking $167 million from Groupon for failure to purchase a license for patents such as "single sign on" technology where a customer can sign into a website with a user ID and password from another company. An example of this would be signing into Groupon with a Facebook or Google ID...