这些分支是(1)合同法和商法，(2)民事侵权行为法，(3)财产法，(4)继承法，(5)家庭法，(6)公司法。

These branches are (1) contract and commercial law, (2) tort law, (3) property law, (4) inheritance law, (5) family law, and (6) corporation law.

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许教授是执业于加拿大、新加坡和英国的公司法和商法律师。

Prof Koh practised Corporate and Commercial law in Canada, Singapore and England.

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