Jason Ko 高麟

Barrister Denis Chang's Chambers Called 2019 20 appearances

Jason Ko appears as counsel of record in 20 reported Hong Kong judgments (2021–2026), most often before the HKCFI. Member of Denis Chang's Chambers.

About Jason Ko

Jason Ko appears as counsel of record in 20 reported Hong Kong judgments (2021–2026). These were heard before HKCFI (13), HKCFA (4) and HKCA (3).

Source: derived from 20 published Hong Kong judgments, most recent decision 12 June 2026. Published on HKLII.

Professional record

Branch: Barrister
Chambers: Denis Chang's Chambers
Year of call (HK): 2019

Registry facts from the Hong Kong Bar Association roster.

In the court record

Jason Ko (高麟) is a Hong Kong barrister called to the Bar in 2019, practising from Denis Chang's Chambers. Between 2021 and 2026 he appeared across both the appellate and first-instance courts, most often the Court of First Instance, and has most often been instructed as counsel for the applicant, in matters concerning Judicial Review & Immigration, Criminal Law and Loans & Debt Recovery.

His appellate work includes S and Another v. Torture Claims Appeal Board / Non-refoulement Claims Petition Office [2025] HKCA 521, Ma Chun Man v. Commissioner of Correctional Services [2025] HKCA 585 and The Bar Council v. A Barrister [2024] HKCA 487, in each of which he appeared as counsel for the applicant, and Li Chiu Wah Joseph v. Hong Kong Society of Notaries [2023] HKCFA 34, before the Court of Final Appeal. He also appeared as counsel for the appellant in HKSAR v. Lo Kin Man (盧建民) (and 1 other) [2021] HKCFA 37, and as counsel for the applicant in the related HKSAR v. Lo Kin Man (盧建民) [2021] HKCFA 18 and [2021] HKCFA 17. At first instance, he appeared as counsel for the defendant across AXHT Company Ltd v. 王一诚 (and 1 other) [2026] HKCFI 34, [2025] HKCFI 6199 and [2025] HKCFI 4568, as counsel for the applicant in K (An Infant) By His Next Friend, R v. The Secretary For Justice [2025] HKCFI 1974, and as counsel for the intended witness in Lai Chik Kun Michael and Others v. The Baptist Convention of Hong Kong and Another [2026] HKCFI 3433. He has appeared alongside co-counsel including Albert N B Wong, Chris Wong, Gladys Li, Ivan Cheung, Kin Lau, Lawrence Lau, Martin Ho and Mike Lui.

What role does Jason Ko typically play in reported proceedings?

Jason Ko (高麟) has most often been instructed as counsel for the applicant, appearing in judicial review and appeal matters such as Ma Chun Man v. Commissioner of Correctional Services [2025] HKCA 585 and Li Chiu Wah Joseph v. Hong Kong Society of Notaries [2023] HKCFA 34.

What litigation has Jason Ko appeared in concerning Lo Kin Man?

Jason Ko appeared as counsel for the appellant in HKSAR v. Lo Kin Man (盧建民) (and 1 other) [2021] HKCFA 37, and as counsel for the applicant in the related HKSAR v. Lo Kin Man (盧建民) [2021] HKCFA 18 and [2021] HKCFA 17, all before the Court of Final Appeal.

What first-instance matters has Jason Ko appeared in?

At the Court of First Instance, Jason Ko has appeared as counsel for the defendant across the AXHT Company Ltd v. 王一诚 (and 1 other) proceedings, including [2026] HKCFI 34, [2025] HKCFI 6199 and [2025] HKCFI 4568.