What is it worth to be able to block employees from using social media while on the job? And how should one determine that value, exactly? While it might be easy to determine the value of a stand-alone invention, it is much more difficult to determine the value an invention that is embedded within a complex product that itself has many parts and does many different things. Patent damages case law is in flux, and every court opinion regarding how to apportion and value inventions merits careful studying. A recent case demonstrates the perils of using faulty methodology to determine the value of patented software-based inventions.