-lrb- a -rrb- paragraph 20.3 applies to any dispute arising between you and either skype or any third party including mobile phone carriers and skype 's corporate affiliates -lrb- collectively , `` disputed party '' or `` disputed parties '' -rrb- relating to your use of pay by mobile , except it does not include a dispute relating to the enforcement or validity of your , skype 's , or either of our licensors ' intellectual property rights .