St Louis-based Bryan Cave is merging with 170-lawyer New York firm Robinson Silverman Pearce Aronsohn & Berman from 1 July to create a 820-lawyer US firm.

The deal with the 60-partner Robinson Silverman will boost the number of lawyers in Bryan Cave’s New York practice to 235. The firm will operate as Bryan Cave, apart from in New York where it will be known as Bryan Cave/Robinson Silverman. “New York is the commercial and financial capital of the world.