Gibson Dunn & Crutcher, Shearman & Sterling and Proskauer Rose have become the latest US law firms to reveal their financial results for 2012.

Gibson Dunn posted an impressive rise in revenue, up by almost 11% from $1.17bn (£769m) to $1.29bn (£851m). PEP increased at an even higher rate, reaching a record $2.81m (£1.85m), a rise of nearly 14% from $2.47m in 2011.