Field Fisher Waterhouse has been hit by a double partner departure with technology specialist Stewart Room departing for a role at PwC Legal and head of trademarks Mark Holah joining Bird & Bird.

Holah was part of the firm's intellectual property (IP) practice and headed up the firm's trademarks and brand protection group. He will rejoin former Field Fisher franchising partners Mark Abell, Graeme Payne, Victoria Hobbs and IP partner Allan Poulter at Bird & Bird.

It is understood that Holah is coming to the end of a notice period spanning several months. Bird & Bird and Field Fisher declined to comment on his hire.