Just `SUSE` is probably not correct, in spec files there is usualy something like `Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany`.

BTW Yast and Webyast is usually copyrighted to Novell (https://github.com/webyast/webyast/blob/master/webyast/lib/background_status.rb#L4, https://github.com/yast/yast-yast2/blob/master/library/runlevel/src/Service.ycp#L3)