Original sentence: Big Four law firms (Japan).Big Six law firms.Golden Circle (law)).Magic Circle (law).Seven Sisters (law firms).Silver Circle (law).White shoe firm
Edited sentence: Big Four, referring to the leading firms in Japan.Big Six law firms the six leading law firms in Australia.Global Quartet or Big Four, referring to members of the Magic Circle other than Slaughter and May as it has, in general, not pursued a policy of expansion.Golden Circle, a term used for example, by The Economist, or Silver Circle coined by The Lawyer magazine in 2005 to describe mid-market or boutique law firms in the UK with profits per partner levels similar to those of the Magic Circle but being much smaller in terms of overall turnover and numbers of lawyers.Magic Circle (law) - five firms with headquarters in London regarded as the leading firms in the United Kingdom.Red Circle, referring to leading firms in China.Seven Sisters, referring to the seven Canadian law firms considered to be the top tier.White shoe firms or Charmed Circle, referring to law firms perceived to be the leading New York City law firms