I am very up-to-date with their AM capabilities, and yes I understand they are very much behind where they projected to be at this point.
I've spoken with GE software and Hardware Engineers on their current capabilities, and they do have some shortcomings, but they are the same shortcomings that everyone in the industry is having at this time.
No one can incorporate multiple laser monitoring systems to monitor the weld pool effectively on machines with multiple lasers, as there's almost always either an engineering issue fitting all the sensors both on axis and offset axis, or a software problem where they can no longer collect all the data and transfer it in a reasonable amount of time because they do not have the data crunching capabilities of Sigma Labs algorithms and computational Hardware. Another issue is when you have multiple lasers it is hard for the sensors to get an accurate reading as the temperature is much higher and all over the place with multiple lasers compared to just monitoring one single laser.
Unfortunately Sigma Labs is still working on this problem as well.
To accuse someone to be so desperate as to attempt to steal patents is an entirely different animal.