>Are these the same thing?

Both articles appear to point at the same 9th circuit appeals court ruling:

The Ars piece points at:

https://cdn.arstechnica.net/wp-content/uploads/2025/12/US-Co...

Which appears to be the same ruling as the Reuters piece links to:

https://fingfx.thomsonreuters.com/gfx/legaldocs/lgvdqxweopo/...

As such, I believe that, yes, this is the same ruling reported by both Ars and Reuters.