AFAICT it was only a tech demo. They describe it as a "research project" commissioned by Deutsch Telecom on their website. I don't see any indication that this

AFAICT it was only a tech demo. They describe it as a "research project" commissioned by Deutsch Telecom on their website. I don't see any indication that this company were actively marketing or otherwise deriving economic value from it when they did the lawsuit, or even when Google Earth was first announced.