Clifford Chance's (CC) partners increased their pro bono contributions by 31% last year, with the firm as a whole investing hours valued at a total of £17.8m in pro bono work during 2010-11.

The figures are contained within CC's annual corporate responsibility report, which states that the magic circle firm invested a total of 58,368 hours in pro bono and community activities during the year, up 2% from the figure of 57,071 hours reported last year.

The report also states that the average number of pro bono hours recorded by all partners was 12 – a figure the firm claims marks a 31% increase on the hours partners contributed during 2009-10.