The Financial Services Authority (FSA) has brought charges of insider trading against two lawyers – including a current partner in the London office of Dorsey & Whitney – it has emerged.

The Dorsey lawyer is corporate partner Andrew Rimmington. His legal adviser at Barlow Lyde & Gilbert, partner Ian Mason, confirmed his client’s involvement in the case. Prior to joining Barlows in 2006, Mason was head of the wholesale group in the FSA’s enforcement division.