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

“Jason is an all-rounded barrister that you can always count on to provide practical and solid advice to lay clients. He is an excellent advocate in Chinese and English, his presentation is calm, clear, and persuasive, and he is able to get a good reading of the judge’s approach and can think on his feet accordingly”
Legal 500 Asia-Pacific 2024, Regulatory, Investigations and Crime — Rising Stars

“Jason pays attention to detail, is passionate about his work, and participates in every step of the proceedings, including advising on overall strategy … he also cares a lot about the quality of his work”
Legal 500 Asia-Pacific 2024, Commercial Disputes — Rising Stars

Jason joined Chambers in 2019 upon completion of pupillage with Mr Philip Dykes SC, Mr Richard Yip, Mr Randy Shek, and Mr Robin Egerton. As a Charles Ching Scholar, he received advanced advocacy training in Stellenbosch, South Africa.

Jason was a seasoned mooter. During his studies, he 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 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, “Criminal Liabilities of First Aiders in Situations of Violence: A Hong Kong Perspective” (Oxford Human Rights Hub Blog, 18 October 2022)

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

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


Commercial Law

CMF Global Quantitative Multi-Asset SPC-CMF Chaos China Growth SP v Blossom International Investment Holdings Limited [2024] HKCFI 1453 (sole advocate) – service on a non-Hong Kong company – “place of business” under section 803(5) of the Companies Ordinance (Cap 622)

Koo Ming Kown v The Baptist Convention of Hong Kong operating as Pui Ching Primary School and Pui Ching Academy [2022] HKCFI 3577 (led by Abraham Chan SC, with Richard Yip) – acted for the 1st Defendant in successfully resisting a “slip rule” application under O20 r11 with indemnity costs awarded

Lai Chik Kun Michael v The Baptist Convention of Hong Kong [2022] HKCFI 728 (led by Abraham Chan SC, with 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

HCA 1619/2014 Koo Ming Kown v Young Kwok Hung Clement (led by Abraham Chan SC, with Richard Yip) – trial of claims in passing off and unlawful means conspiracy, declaratory and injunctive relief (settled on Day 5 of 15)

Wong Chak Wing v Camelo Investment Limited [2021] HKCFI 3710 (with 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); [2020] 1 HKLRD 121 (CFI) (with Richard Yip) – acted for the successful Plaintiff in a sale of goods dispute concerning the identity of contracting parties; and in resisting the appeal concerning the role of pleadings and the availability of limitation defence

HCA 1402/2023 Edvance Technology (Hong Kong) Limited v Racefit International Company Limited (sole advocate) – acted for the successful Plaintiff in seeking summary judgment against borrower and guarantors in loan agreements

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 1475/2020 Avion Jet Limited v Yang Fan (with Richard Yip) – successful application for Mareva injunction in a claim of conspiracy to injure by unlawful means and unjust enrichment

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

Insolvency

Re Wah Fai Construction and Engineering Company Limited [2024] HKCFI 255 (sole advocate) – acted for the Company in an application for leave to file further evidence in the winding up context

Re Chui Tak Keung Duncan [2023] 1 HKC 86 (sole advocate) – acted for the Petitioner in a successful application to revoke the approval of the Debtor’s individual voluntary arrangement under section 20J of the Bankruptcy Ordinance (Cap 6)

Chui Tak Keung Duncan v VIP Credit Ltd (formerly known as CNI Credit Ltd) [2022] HKCFI 3480 (sole advocate) – acted for the successful Petitioner in obtaining a bankruptcy order against the Debtor

HCCW 327/2022 Re Top Express Enterprise Group Limited (sole advocate) – acted for the successful Petitioner in obtaining a winding up order against a registered non-Hong Kong company under section 327 of the Companies (Winding Up and Miscellaneous Provisions) Ordinance (Cap 32)

Criminal and Regulatory

The Bar Council v A Barrister [2024] HKCA 487; [2023] HKCA 1059 (with Christina Lee) – jurisdiction of the Court of Appeal in hearing appeals against interlocutory decisions of the Barristers Disciplinary Tribunal – counsel is answerable to professional discipline for misconduct notwithstanding advocate immunity in Rondel v Worsley [1969] 1 AC 191

Represented an engineer facing one count of improper conduct under Article 13(5)(c) of the Constitution of Hong Kong Institution of Engineers before its Board of Inquiry (March 2024)

HKSAR v To Kai Wa [2023] HKCA 412 (led by Robert Pang SC); [2021] HKDC 201 (with Randy Shek) – role of neurological expert evidence in a charge of wounding with intent

HKSAR v Chung Chi Chiu [2023] HKDC 629 (with Franco Kuan) – incitement to cause grievous bodily harm with intent – sentencing principles

HKSAR v Yuen Ching Ting [2023] HKMagC 13 (with Steven Kwan and Howard Tang) – sedition – successful bail application – sentencing principles

WKCC 1638/2022 HKSAR v Ip Anthony Chun Hin (led by Philip Dykes SC) – right to privacy – the first Hong Kong trial of disclosing personal data without data subject’s consent, contrary to section 64 of the Personal Data (Privacy) Ordinance (Cap 486)

HKSAR v Zen Joseph [2022] HKMagC 12 (led by Ambrose Ho SC, with Johnathan Tsang) – freedom of association – definition of “association of persons” liable for registration under the Societies Ordinance (Cap 151)

HKSAR v Lo Kin Man (2021) 24 HKCFAR 302 (led by Gladys Li SC, with Lawrence Lau and Kin Lau) – freedom of assembly – leading case on the law of unlawful assembly and riot – common purpose, participatory intent and joint enterprise

Secretary for Justice v CMT [2021] 1 HKLRD 1 (CA) (led by Hectar Pun SC in the Court of Appeal; led by Paul Harris SC in the Magistrates’ Courts) – sentence review – juvenile offenders – leading case on the principles of granting care and protection orders

Constitutional and Administrative Law

Li Chiu Wah Joseph v Hong Kong Society of Notaries (2023) 26 HKCFAR 529 (led by Martin Lee SC, with Geoffrey Yeung) – acted for the Applicant in judicial review appeal – applicable principles in deciding whether a damages clause is an unenforceable penalty – legitimate interest test under Cavendish Square Holding BV v Makdessi [2016] AC 1172

Chan Ki Kau v Hong Kong Police Force [2020] 5 HKLRD 653 (with 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

LAA 97/2022 Masih Waseem v Torture Claims Appeal Board (sole advocate) – legal aid appeal for judicial review in a non-refoulement claim, on grounds of error in law in approaching documentary evidence and Country of Origin information

LAA 839-843/2020 HJ v Torture Claims Appeal Board (sole advocate) – legal aid appeal for appeal against CFI judgment dismissing judicial review in a non-refoulement claim, on grounds of error in law (failure to apply HJ (Iran) principle) and speculative assessment of evidence

Contempt

Secretary for Justice v So Yat Kai [2023] HKCFI 1932 (sole advocate) – acted for the Defendant in criminal contempt proceedings – suspended sentence

Chuang’s China Investments Limited v Zhou Changchun [2023] HKCFI 2427 (with Richard Yip) – acted for the Plaintiffs in civil contempt proceedings – the Defendant engaged in intentional, deliberate and voluntary acts in breach of injunction order

Secretary for Justice v Chan Po Hong [2022] 5 HKLRD 185 (with Richard Yip) – acted for the Defendant in civil contempt proceedings – breach of injunction – existence of parallel criminal proceedings – no double punishment – suspended sentence


An Evolving Landscape: How Recent Developments are Reshaping Harassment Law on Multiple Fronts

 

Seminar on developments in anti-harassment law

 

Career Talk and Counsel Sharing at University of Hong Kong

 

 
[CPD Talk] Overview on Anti-Harassment: Civil, Criminal and Family Contexts

 

Legal 500 Asia-Pacific 2024: Jason Ko recognised as a “Rising Star” in Commercial Disputes, and Regulatory, Investigations and Crime

 


Denis Chang’s Chambers organised an open house for local law students

 

Denis Chang’s Chambers supports the Moot Court Summer School for the fourth consecutive year

 

Court declares third-generation successor of Fook Lam Moon Restaurant bankrupt after overturning his individual voluntary arrangement proposal

 


Denis Chang’s Chambers supports young talent development at Moot Court Summer School for third consecutive year 

 


High Court finds no duties owed by defendant who helped his friend with company administration as a non-contractual agent

 

Doctrine of “basic joint enterprise” not applicable to unlawful assembly and riot, Court of Final Appeal rules

 

Cheng Yeung & Co. invites Members of Denis Chang’s Chambers to present two criminal law seminars

 

Court of Appeal clarifies principles on care and protection orders in sentencing juvenile offenders for unlawful assembly during 2019 protests

 

High Court rules police failure to display unique identification, and lack of independent police complaints mechanism, violate Hong Kong Bill of Rights

 

Court of Appeal clarifies the role of pleadings and the availability of limitation defence