Talk Morgan Forums Community The Malvern Arms Article 50 - Exit of EU

That petition is just that, it does not have the force of law. There is no way to challenge the result of the EU Referendum

The referendum result is not legally binding - Parliament still has to pass the laws that will get Britain out of the 28 nation bloc, starting with the repeal of the 1972 European Communities Act.
http://www.bbc.com/news/uk-politics-32810887