Well this type of suit isn't a legitimate suit. It's actually a business. The patent system has indirectly created a money-making business that looks like this:
Law Firms and Lawyers search diligently for patent infringements that haven't been found or haven't been capitalized on by the ownership company. They then purchase those patents (or purchase the company that owns that) and then file a law suit.
Usually, companies like this are literally created to buy and sue for patents. It's a business. If you're a lawyer and you're a techie, you could spend a great deal of time probing patents and finding opportunities to make money.
"Damages" basically can also include "potential revenue loss", meaning that they could claim that if the patents weren't infringed, they would be making X amount of dollars from each of those companies for licensing fees. So while Data Carriers isn't really a real company, they don't have employees, etc, they could still claim "potential revenue loss" as a damage and hit these companies for licensing fees going forward and back date those fees from the time of infringement.
If you want to make money like this, just create a company and register it (doesn't have to actually be a functioning company), then go track down patents and start suing people!