▁li ability ▁partners hip ▁status ▁under ▁English ▁law ▁with ▁effect ▁from ▁ 1 ▁May ▁ 2 0 0 9 . ▁ ▁Ol sw ang ▁merged ▁with ▁C MS ▁Camer on ▁McK en na ▁L LP ▁and ▁N ab ar ro ▁L LP ▁on ▁ 1 ▁May ▁ 2 0 1 7 ▁with ▁the ▁name ▁C MS ▁Camer on ▁McK en na ▁N ab ar ro ▁Ol sw ang ▁L LP . ▁ ▁Ol sw ang ▁brought ▁lib el ▁actions ▁against ▁Bill ▁Brow der ▁on ▁beh alf ▁of ▁P avel ▁Kar p ov ▁of ▁the ▁Russian ▁interior ▁min istry , ▁over ▁the ▁Magn it sky ▁story ▁ ▁Main ▁areas ▁of ▁practice ▁▁ ▁Com mer cial ▁lit ig ation ▁& ▁arbitr ation ▁ ▁Corpor ate ▁ ▁Emp loyment ▁ ▁EU ▁& ▁competition ▁ ▁Fin ance ▁ ▁Intel lect ual ▁property ▁( IP ) ▁ ▁Le is ure ▁ ▁Life ▁sciences ▁ ▁Media ▁ ▁Real ▁estate ▁ ▁Tax ▁ ▁Technology ▁ ▁Tele communic ations ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁ ▁Ol sw ang ' s ▁rank ings ▁in ▁Ch amb ers ▁UK , ▁Ch amb ers ▁Europe ▁and ▁the ▁Ch amb ers ▁Student ▁Guide ▁ ▁Category : L aw ▁fir ms ▁of ▁the ▁United ▁Kingdom ▁Category : Int el lect ual ▁property ▁law ▁fir ms ▁Category : Pat ent ▁law ▁fir ms ▁Category : L aw ▁fir ms ▁based ▁in ▁London ▁Category : L aw ▁fir ms ▁established ▁in ▁ 1 9 8 1 ▁Category : 1 9 8 1 ▁establish ments ▁in ▁England <0x0A> </s>