It all started in 2014 when Gearbox Software decided to sue 3D Realms and Interceptor Entertainment over Duke Nukem: Mass Destruction; a property owned by the Gearbox in 2010.
Though the case was settled a year later and Gearbox established the full ownership but last year Bobby Prince filed a lawsuit against the Gearbox, Randy Pitchford, and Valve over the music which he composed for Duke Nukem 3D. He claimed that his music was used without his permission in the game Duke Nukem 3D: 20th Anniversary World Tour published by the Gearbox.

Gearbox Software sues 3D Realms
In turn, Gearbox …