• About us
  • People
  • Expertise
    • Sectors
        • Technology, media & communications Technology, media & communications
        • Private Wealth Private wealth
        • Real estate, infrastructure & energy
        • Life sciences & healthcare icon Life sciences & healthcare
        • Aerospace & defence
        • Automotive & mobility
        • Business & professional services
        • Chemicals
        • Consumer & retail
        • Financial institutions & insurance
        • Hotels, hospitality & leisure
        • Logistics & transport
        • Manufacturing & industrials
        • Public services & education
    • Legal services
        • Artificial intelligence
        • Banking & finance
        • Brands & advertising
        • Commercial & consumer contracts
        • Competition, EU & trade
        • Copyright & media law
        • Corporate crime & compliance
        • Corporate/M&A & capital markets
        • Data & cyber
        • Disputes & investigations
        • Employment, pensions & mobility
        • Environmental, planning & regulatory
        • Environmental, social & governance (ESG)
        • Intellectual property
        • Information technology
        • Patents & innovation
        • Private client
        • Private equity
        • Projects, energy & infrastructure
        • Real estate & construction
        • Regulation
        • Restructuring & insolvency
        • Tax
        • Venture capital
  • Locations
    • Europe
        • Locations
        • Austria
        • Belgium
        • Czech Republic
        • France
        • Germany
        • Hungary
        • Italy
        • Netherlands
        • Poland
        • Portugal
        • Ireland
        • Slovakia
        • Spain
        • United Kingdom
        • Ukraine
          Groups & regions
        • CEE Turkish Desk
        • French German group
        • Our offices
    • Middle East & Africa
        • Locations
        • Middle East
        • UAE
          Groups
        • Africa group
        • Israel group
        • Our offices
    • Americas
        • Locations
        • Latin America
        • USA
          Groups
        • Brazil group
        • Our offices
    • Asia
        • Locations
        • Asia
        • China
        • South Korea
          Groups
        • India group
        • Japan group
        • Our offices
  • Insights
    • Insights
        • Featured Topics
        • Artificial intelligence
        • Data Centre Expertise
        • The EU Whistleblower Directive
        • German Supply Chain Act
        • Unified Patent Court
          Content hub
        • Global Data Hub
        • Interface: tech, IP and media law
        • Podcasts
        • Synapse
        • Browse all insights
    • In focus
        • AI
        • Dealonomics
        • Disputes
        • Intellectual property
        • MENA
        • Regulation
        • Browse in focus
    • Events
        • In person
        • Online
        • Browse all events
    • News
        • Media centre
        • Work highlights
        • Firm news
        • Browse all news
  • Careers
  • EN
    • English
    • 中文(简体)
    • Français
    • Deutsch
  • Home
  • People
  • Diarmuid ÓhUallachái…
Diarmuid ÓhUallacháin
Diarmuid ÓhUallacháin

Diarmuid ÓhUallacháin

Associate

  • Dublin Ireland
Contact Me Today
+353 1 224 1092
vCard
Email me Call me

Diarmuid is an associate in the Disputes & Investigations team in Dublin with experience across a wide range of commercial litigation.

Diarmuid provides advice to both individual and corporate clients facing a wide variety of contentious challenges, including shareholder disputes, reputation preservation, fraud, and asset recovery. 

On the contentious side, Diarmuid has previous experience in financial services enforcement proceedings, defamation proceedings, intellectual property disputes, and regulatory investigations. 

On the advisory side, Diarmuid has previously guided large multinationals through the customs importation system in Ireland, asserting their rights when infringements of their intellectual property arose and liaising extensively with state agencies to ensure the most effective and efficient protection of those rights.

Expertise

Services and Groups

Disputes & investigations
Corporate litigation & post-M&A disputes
Corporate crime
Commercial disputes
Fraud & asset recovery
Regulatory enforcement

Sectors

Consumer & retail
Private wealth
Technology, media & communications

CV

Since 2025 Associate, Taylor Wessing
2020 - 2025 Trainee and Associate, McCann FitzGerald LLP
2023 Admitted as a solicitor, Law Society of Ireland
2018 LLB, Trinity College Dublin

Career

Since 2025 Associate, Taylor Wessing
2020 - 2025 Trainee and Associate, McCann FitzGerald LLP

Education

2023 Admitted as a solicitor, Law Society of Ireland
2018 LLB, Trinity College Dublin

Related news & insights

Tunnel
Disputes & investigations

Key developments in AI disputes in 2025

23 January 2026
Briefing

by multiple authors

Click here to find out more
Escalator
Consumer & retail

Consumer and Retail in the News

23 January 2026
Quick read

by multiple authors

Click here to find out more
Low Angle View Of Flags Waving
Logistics & transport

EU Inc.: Founders and companies with expansion plans must now think strategically

23 January 2026
Quick read

by Dr. Benedikt Groh and Fritz Krings

Click here to find out more
Technology, media & communications

UK Online Safety Act fees regime kicks off – initial notifications due by 11 April 2026

22 January 2026
Quick read

by Debbie Heywood

Click here to find out more
European union
Brands & advertising

New ECJ ruling should help brand owners tackle infringing and counterfeit goods

22 January 2026
In-depth analysis

by Sebastian Fischoeder, LL.M. (Trinity College Dublin) and Louise Popple

Click here to find out more
Working Data Centre
Technology, media & communications

Ofcom's guidance on online safety for women and girls and UK government strategy

22 January 2026
Briefing

by Debbie Heywood

Click here to find out more
Flag of the European community
Brands & advertising

Store-front use isn't a free pass: EU General Court narrows genuine use for single-brand stores in K-Way v EUIPO

22 January 2026
In-depth analysis

by Louise Popple and Julia Marke

Click here to find out more
Letterpress blocks background
Brands & advertising

Descriptive words aren't necessarily free for all to use: SWIPE not understood by average Italian Consumers, finds EU General Court

22 January 2026
Briefing

by multiple authors

Click here to find out more
Standing on painted Venn Diagrams
Brands & advertising

When laudatory marks are given broad protection: Sexy Fish

22 January 2026
In-depth analysis

by Christian Durr and Louise Popple

Click here to find out more
Robotic hand
Data & cyber

The Data Act – Important obligations for cloud and edge services

22 January 2026
Briefing

by Dr. Paul Voigt, Lic. en Derecho, CIPP/E and Richard Gläser

Click here to find out more
View all insights

Related people

Ireland
Ryan Ferry

Ryan Ferry

Partner

Dublin
+353 1 224 1092
Email me
View profile

Seán Carroll

Senior Associate

Dublin
+353 1 224 1092
Email me
View profile
Shannon Buckley Barnes

Shannon Buckley Barnes

Associate

Dublin
+353 1 224 1092
Email me
View profile
Edwina Kelly

Edwina Kelly

Associate

Dublin
+353 1 224 1092
Email me
View profile
Full team

Meet me at

There are no upcoming events

See all events
Subscribe to our latest insights
  • About us
  • Campaigns and online tools
  • News
  • People
  • Expertise
  • Locations
  • Insights
  • Events
  • Media centre
  • Contact
  • Careers
  • Alumni
  • Data protection & privacy policy
  • Cookie policy
  • Legal and regulatory information
  • Regulatory information on costs
  • Complaints procedure for clients
  • Terms of use
  • Anti-slavery statement
  • Environmental
  • Scam emails

© Taylor Wessing