Very interesting, mainly focus on automatic trial key method and purchase keys and also this most important:

Compatible with all major obfuscators
Locks your Java application to prevent software piracy.

but, they are focus on trial keys, their business is the selling of the trial keys and in second option the source code protection (obfuscation).

Trialware4j is an option, there is a light at the end of the tunnel.

Qestions. If we are going to adopt Java like the programing tool, what will be the most suitable way to do web comertial apps ? maybe using protected applets ?