> Kickstart-34.4.rom is a 1.3 rom version. Included in AmigOS 4.1 Update 4,
> released for download 22 December 2011 .

Thanks. So if we are to follow Cloanto's pattern of argument further than Cloanto does, Hyperion must have been infringing on Cloanto's copyright (supposedly obtained from Amiga Inc. in 2011/2012) since exactly that time.