Are you saying Keyhole copied Terravision when they created EarthViewer? Google Earth was a rebranding, with continued development, of Keyhole EarthViewer after Google bought Keyhole.

Terravision started much earlier than Keyhole, however the lawsuit agains Google wasn't successful: https://en.wikipedia.org/wiki/Terravision#History

There is also a Netflix Mini-series inspired by the case: https://en.wikipedia.org/wiki/The_Billion_Dollar_Code