The never-ending saga of Apple’s patents war with Samsung continues. The Korean firm has agreed to pay the $548m in damages ordered by a US appeals court recently, but that may not be the end to the yo-yo of claims and rulings which have gone on over the past five years since Apple first accused its rival of “slavishly copying” the iPhone. Samsung said in its filing that it will still appeal to the Supreme Court, and will seek a refund of the damages paid, if that case goes its way, and/or the US Patent and Trademark Office (PTO) invalidates the patents at issue. In the latest twist, the appeals court had refused Samsung’s petition to block an order to…