• 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

Escalator
Consumer & retail

Consumer and Retail in the News

20 February 2026
Quick read

by multiple authors

Click here to find out more
Androids and facial mapping
Technology, media & communications

What international businesses should know about the German AI Market Surveillance and Innovation Promotion Act

20 February 2026
Briefing

by multiple authors

Click here to find out more
Robots hand
Technology, media & communications

The “Withdrawal Button”: A new compliance risk for (non-)EU businesses

20 February 2026
Briefing

by Nathalie Koch, LL.M. (UC Hastings) and Elisa-Marlen Dietrich, LL.M. (Turin)

Click here to find out more
Full Frame Shot Of Orange Cable
Projects, energy & infrastructure

The NIS2 Directive: Challenges Renewable Energy Companies

18 February 2026
Briefing

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

Click here to find out more
coloured-wool-spoils
Consumer & retail

Fashion and Luxury Market Update

18 February 2026
Quick read

by Jason Rawkins and Simon Jupp

Click here to find out more
Two coloured ropes knotted together
Disputes & investigations

Defamation 2.0: How Ireland is reshaping reputation litigation – overview of the amendments

17 February 2026
Quick read

by multiple authors

Click here to find out more
Green bag on grey background
Consumer & retail

New repair obligations for sellers and manufacturers in 2026

16 February 2026
In-depth analysis

by Dr. Martin Rothermel and Dr. Ulrich Spiegel

Click here to find out more
European Union flags
Consumer & retail

The New Toy Regulation: greater safety, more obligations

16 February 2026
Briefing

by Dr. Benedikt Rohrßen and Laura Tibi

Click here to find out more
Two coloured ropes knotted together
Disputes & investigations

WUC v NCA: Criminal property and the possession, use, acquisition exemption

13 February 2026
Briefing

by David McCluskey

Click here to find out more
Escalator
Consumer & retail

Consumer and Retail in the News

13 February 2026
Quick read

by multiple authors

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