David Barron on the Patents Court's use of telephone summonses. David Barron is a partner at Wragge & Co. By The Lawyer 5 May 1998 00:00 14 December 2015 06:02 Sign in or register to continue reading. It's FREE Sign in Email Password Keep me logged in Forgot your password? Not registered? It's FREE! Register now Register with The Lawyer Name Email Cancel reply Threaded commenting powered by interconnect/it code.