• ATWO TM [2023] HKTMR 30.  Successfully defeated an opposition based on descriptive technical meaning of word mark before the Registrar of Trade Marks.
• The Law Society of Hong Kong v A Solicitor [2023] HKCA 694.  Successfully appealed against a penalty imposed by the Solicitors’ Disciplinary Tribunal for egregious accounting offices committed by a solicitor who was ordered to be struck off by the Court of Appeal.
• Culturecom Ltd v Jade Dynasty Publications Ltd [2023] HKCFI 805. Acted for author and publisher of comics series against claim for copyright infringement and resisted application for interlocutory injunction.
• INSOMNIAC [2023] HKTMR 3. Successfully defeated an opposition by a nightclub operating under the name Insomnia in Lan Kwai Fong.
• Cheung Yuk Fung v Yip Chi Keung [2022] HKDC 1208, [2023] HKCA 665.  Leave to appeal to Court of Appeal on a finding of breach of shareholders’ agreement.
• Mathnasium Center Licensing LLC v. Chang Chi Hung [2021] 1 HKLRD 188. First case of its kind where defendant who signed a statement of truth in relation to a defence containing a false admission.  Committal order overturned on appeal.
• 造梦者Infinitus & Device [2020] HKTMR 49.  Successfully resisted an opposition to an application to register a device mark before on the ground of bad faith.
• Monster Hunt TM [2020] HKTMR 6. Successfully resisted an opposition to an application to register a bilingual mark before the Registrar of Trade Marks.
• Louis Vuitton Malletier v. Cuvee XLV French Wine Ltd [2019] HKCFI 1963. Obtained judgment for a fashion house in the first full-blown trial before the IP Judge in Hong Kong against a wine trader for infringement of a well-known trade mark (with Winnie Tam SC).
• Xcelcom Ltd v. BGI-Hong Kong Co Ltd [2017] 1 HKLRD 421. Acted for the patentee in one of the first cases in Hong Kong involving infringement of a biochemical technology patent in an application for interlocutory injunction (with John Yan SC).
• Acted for a main contractor in dispute with joint venture partner in a casino development (with Philip Boulding QC) (2015)
• Nokia Corporation v. TCT Mobile [2014] 2 HKLRD 43. In the context of a dispute under a patent license agreement, the case raised interesting issues of specific discovery where the licensor (represented by CW) sought documents to prove royalties due under the agreement.
• Acted for an architectural firm in professional negligence dispute with a university (employer) (with Ian Pennicott QC) (2013)
• CSS Jewellery Co Ltd v. Registrar of Trade Marks [2010] 1 HKC 563. A trademark dispute between two undertakings with common historical origins, this was the first court case in which the doctrine of honest concurrent use was examined in the context of the new Trade Marks Ordinance.
• Peconic Industrial Development Ltd v. Lau Kwok Fai & Others (2009) 12 HKCFAR 139. CW was the junior in this ground-breaking case in a common law jurisdiction regarding the applicability of limitation periods to dishonest assistance claims, in this case, against a fraudulent solicitor.

In addition, CW has taken part in many international arbitrations administered by the HKIAC in cases concerning commercial disputes, technology transfer, business secrets and patent infringement.

• Chairman, Mediation Committee, Hong Kong Bar Association (2022-now)
• Member of the Panel of Arbitrators for the Shenzhen Court of International Arbitration (2022-now)
• Deputy Judge of the District Court, HKSAR (Feb 2022, Dec 2015)
• Member, ICC-HK Nominations Commission (2022-)
• Chairman, Appeal Tribunal Panel, under Buildings Ordinance (Cap 123) (2021-now)
• Member of the Board of Revenue (Inland Revenue Ordinance) (Jan 2021-now)
• HKIAC Domain Name Dispute Resolution Panel from December 2020
• Chairperson, Hong Kong Mediation Council, Hong Kong International Arbitration Centre (HKIAC) (2019-2020)
• Fellow of the Chartered Institute of Arbitrators (2008-)
• Vice-chairperson, Mediation Committee, Hong Kong Bar Association (2018-)
• Vice-chairperson, Committee on Intellectual Property, Hong Kong Bar Association (2020-2021)
• Member, Standing Committee on Overseas Admissions, Hong Kong Bar Association (2015-)
• Member, Standing Committee on Discipline, Hong Kong Bar Association (2016-)

• Contributor, Hong Kong Civil Procedure (1999 – now)
• “Internet Torts”, Chapter in Tort Law and Practice in Hong Kong, 4thed (2022)
• “Confidentiality in Arbitration and Mediation”, moderating a two-part webinar series co-hosted by DVC and HKIAC (Sep 2021)
• “FRANDs or foes? The UKSC’s recent decision in Unwired Planet”: a webinar on competition law co-presented with two members of DVC (Oct 2020)
• “Generic.com: The Shifting Boundaries In Trade Mark Territory”, a webinar on trade mark law co-presented with two members of DVC (Aug 2020)

Arbitration as counsel, Arbitration as arbitrator, Enforcement of Arbitral Award, Commercial Mediation, Mediation Advocacy, Contract, Conflict of Laws, Equity, Tort, Unjust Enrichment, Insurance Law, Negotiable Instruments, Partnerships, Sale of Goods, Corporate Governance, Compliance with Listing and Other Regulatory Rules, Derivative Action, Unfair Prejudice Petition, Enforcement, Follow-on Action, Investigation, Leniency, Mergers (Telecommunications), Bankruptcy, Winding-Up, Breach of Confidence, Copyright, Patents, Passing-Off, Trademarks, Letters of Credit, Sale and Carriage of Goods, Breach of Confidence, Employment, Restraint of Trade, Auditors’ Negligence, Disciplinary Proceedings, Medical Negligence, Solicitors’ Negligence, Surveyors’ Negligence, Blockchain, Cryptocurrency, Data Technology, Decentralised Autonomous Organisations (DAOs), Digital Assets, Mergers Review, Telecommunications Licensing, Trusts, Wills, Probate and Administration of Estates, Charities, Anton Piller Relief, Asset Tracing, Bankers’ Books Orders, Discovery, Injunction, Norwich Pharmacal Orders, Adverse Possession, Building Management, Charities, Conveyancing, Easements, Landlord & Tenants Disputes, New Territories Law