Alzrius
The EN World kitten
No, but it was still Paizo splitting from WotC and using the OGL to do it; at the time it was already clear that they were charting their own course via breathing new life into an older edition of the game, and that this was a very big deal.And was a D&D 3.5 game. Back then at least "Pathfinder" just appeared to be their name for their Golarion-based adventure paths. Was a separate system already in play then?
Also, Paizo announced in March of 2008 that they'd be putting out their own Pathfinder RPG, with the first alpha-playtest packet coming out then, months ahead of the GSL.