China’s Jingye Steel has formally triggered international investment treaty proceedings against the UK government, demanding "timely, adequate, and effective compensation" following London's moves to strip the Chinese firm's ownership and fully nationalize British Steel.

Having earlier filed a contract-based investment claim against the Panamanian government, Hong Kong-based CK Hutchison is now bringing a treaty-based investment claim as well.

In a U.S. appeals court opinion last week, a panel of judges vacated a lower court decision on a dispute between a Chinese manufacturer and its U.S. distributor that had been subject to arbitration in China.