By Maria Ward-Brennan Law firm Fieldfisher has renewed the lease on its London headquarters, which will see it stay in the building until 2035. The law firm has been based out of Riverbank House, 2 Swan Lane, London EC4 since 2014. It occupies circa 81,000 square feet of office space across three floors of the landmark nine-storey building. As part of the renewal, Fieldfisher will also pursue a refurbishment plan to transform its existing space into a more sustainable, innovative and collaborative working environment for all of its people and clients. The firm has signed an agreement with Man …