[2] This caused "consternation" among senior lawyers, according to The Times, due to his young age.

According to The Guardian, an anonymous source referred to 11KBW as a "network of old boys and cronies", and that there was "no coincidence that the appointment came from Lord Irvine's and Tony Blair's old chambers".

[4] Acting as a barrister Sales defended the New Labour government's decision against holding a public inquiry into the Iraq War in the High Court in 2005.

[6][7][8] In October 2016 Sales was one of the three judges forming the divisional court of the High Court in proceedings concerning the use of the royal prerogative for the issue of notification in accordance with Article 50 of the Treaty on European Union, R (Miller) v Secretary of State for Exiting the European Union.

His role in this judgment meant that he appeared in an infamous front-cover of the Daily Mail (Enemies of the People).