** Shares of Chinese property developer Sino-Ocean Group 3377.HK jump as much as 36.4% to HK$0.3, on track for their biggest one-day pct rise since Oct. 2, 2024

** Stock hits the highest since Dec. 13, 2024 and on course for a third straight session of gains; fourth-biggest pct gainer on the Hong Kong bourse

** London's High Court on Monday approved Sino-Ocean Group's plan to restructure around $6 bln of its debt, despite opposition from an ad hoc group of creditors

** State-backed Sino-Ocean Group is attempting a parallel process in London and Hong Kong to restructure its offshore debt, as other developers have defaulted since the Chinese property sector's 2021 debt crisis

** The Hang Seng Mainland Properties Index .HSMPI gains 0.6%, an index tracking properties and construction stocks .HSCIPC climbs 0.4% and the Hang Seng Index .HSI rises 2.3%

** Sino-Ocean Group shares fell 43.9% last year

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))