Jason Ko 高麟
Call : 2019 (HK)
Set : Main
Practice Areas
Administrative and Public LawChanceryCommercial LawCompetition LawCriminal LawEmploymentLand and Property LawProbate and AdministrationPublic International LawRegulatory and DisciplinaryTort and Personal Injuries
Contact
Email : [email protected] Secretary : Beatrice Chan [email protected]

Jason joined Chambers upon completion of pupillage with Mr Philip Dykes SC, Mr Richard Yip, Mr Randy Shek, and Mr Robin Egerton. He was awarded the Charles Ching Memorial Scholarship in 2019.

Jason has been a seasoned mooter. During his studies, he has represented the University of Hong Kong in the Philip C. Jessup International Law Moot Court Competition (2018), where his team won the Hong Kong Champion and he was ranked the top 100 oralists internationally, and in the Red Cross International Humanitarian Law Moot (2017), where his team captured the international 1st runner up.

Jason is developing a broad civil practice and accepts instructions in all areas of Chambers’ work. He has appeared (either in his own right or as a led junior) in all levels of court from the Magistrates’ Courts to the Court of Final Appeal. He can provide written submissions and conduct hearings in both Chinese and English.


  • PCLL, University of Hong Kong (2018)
  • LLB, University of Hong Kong (2017)

Charles Ching Memorial Scholarship (2019)

Hong Kong Champion and Best Memorials, International Top 100 Oralists, Philip C. Jessup International Law Moot Court Competition (2018)

International 1st Runner Up, Red Cross International Humanitarian Law Moot (2017)

Champion and Best Written Submissions, Inter-University Basic Law Moot (2016)

Champion and Best Oralist, Haldanes Criminal Law Mooting Competition (2015)

Champion and Best Oralist, Joint-University Mooting Competition (2015)

Dean’s Honours List (2015)

Rosita King Ho Scholarship (2015)

HKU Foundation Scholarship for Outstanding Students (2013)

Sir Edward Youde Memorial Prize (2013)


Part-time Lecturer (Non-Clinical), Department of Law, University of Hong Kong


Jason Ko and Martin Lau, “Free Speech in Non-Public Spaces: Recent Developments in Hong Kong” (OxHRH Blog, 8 November 2017)

Margaret Ng, Jason Ko and Kin Lau, “Is Hong Kong’s Riot Law ‘Respectable’?” (2020) 50(3) Hong Kong Law Journal 935-960


Lai Chik Kun Michael v The Baptist Convention of Hong Kong [2022] HKCFI 728 (led by Mr Abraham Chan SC, with Mr Richard Yip and Mr John Leung) – acted for the Defendant in an application to strike out and in resisting an application for leave to amend pleadings, in the context of charitable trust and declaratory reliefs

Wong Chak Wing v Camelo Investment Limited [2021] HKCFI 3710 (with Ms Astina Au) – acted for the successful 7th Defendant in an 8-day High Court trial concerning non-contractual agency and fiduciary duties

Kyocera Corp v W Haking Enterprises Ltd [2021] 2 HKC 1 (CA) (with Mr Richard Yip) – acted for the successful Plaintiff in resisting an appeal concerning the role of pleadings and the availability of limitation defence

Kyocera Corp v W Haking Enterprises Ltd [2020] 1 HKLRD 121 (CFI) (with Mr Richard Yip) – acted for the successful Plaintiff in a sale of goods dispute concerning the identity of contracting parties

Secretary for Justice v CMT [2021] 1 HKLRD 1 (led by Mr Paul Harris SC in the Magistrates’ Courts; led by Mr Hectar Pun SC in the Court of Appeal) – acted for the 1st Respondent in a sentence review concerning the principles on care and protection orders in sentencing juvenile offenders

Kwok Cheuk Kin v Secretary for Security [2020] 5 HKLRD 653 (with Mr Ernest CY Ng) – acted for the Applicant in judicial review proceedings concerning the Police’s duty to show unique identification at public order events, and the Government’s duty to put in place an effective system of investigation, under Article 3 of the Hong Kong Bill of Rights

HCA 175/2021 Aabitta Company Limited v Pure Living Inc Limited (sole advocate) – acted for the successful Defendant in an application to set aside default judgment

HCA 913/2020 Sun Shine Investment Holdings Limited v Pure Living Inc Limited (sole advocate) – acted for the successful Defendant in resisting an application for summary judgment

HCA 2009/2018 Ever Team Asia Investment Limited v Hing Man Mortgage Limited (sole advocate) – acted for the successful Plaintiff in an application for leave for amendment of pleadings and joinder of parties