It’s Stellarblade Versus Stellar Blade as Louisiana Company Sues PlayStation and Shift Up Over Name
Stellar Blade developer Shift Up and publisher Sony are being sued…over Stellar Blade. The plaintiff, a Louisiana-based film production company called, yes, Stellarblade, is alleging trademark infringement and claiming its business is being damaged by Shift Up’s use of the name.
Source: https://www.ign.com/articles/stellarblade-trademark-lawsuit-sony-shift-up