Biography
Tadhg is a senior associate with extensive experience in complex and high-value litigation, commercial arbitration, investigation and advisory matters across numerous jurisdictions and sectors, including technology, telecoms, energy and finance.
Tadhg also has particular experience in competition law disputes, in which he has acted at High Court and Court of Appeal level, as well as in arbitration, in matters relating to the TMT and manufacturing sectors.
Prior to joining Signature Litigation, Tadhg trained and qualified at international law firm, Allen & Overy, during which time he also spent a year seconded to Allen & Overy’s Hong Kong office.
Tadhg speaks professional-standard French and is also qualified in the Republic of Ireland.
Experience
Commercial Litigation
- Representing clients in a High Court claim for break costs payable under commercial loans to certain wind farm companies following loan pre-payment.
- Acting for an international bank in disputes with a large number of ship owners and charterers arising out of the bankruptcy of a large marine bunker supplier, including successful expedited proceedings before the English High Court, Court of Appeal and Supreme Court.
- Acting for a banking client in relation to a large currency swap dispute (over US$100m) involving legal proceedings in England & Shanghai.
- Acting in a High Court claim relating to an alleged agreement to purchase debt on the secondary market.
Arbitration
- Acting for a large telecoms company in LCIA arbitration proceedings in relation to a shareholder dispute (value approximately $125m) concerning an African national telecoms company.
- Acting in an LCIA arbitration in relation to an investor dispute concerning a large hedge fund.
- Acting in a €1.2bn LCIA arbitration in relation to the suspension and later termination of a major off-shore gas pipeline construction project.
- Acting in an LCIA arbitration in relation to a $166m price dispute under a gas purchase agreement.
Antitrust Disputes
- Acting for a large technology company in a €667m competition damages claim regarding computer monitors, at High Court and Court of Appeal level.
- Acting for a large mobile phone manufacturer in relation to a €1.8bn competition damages claim regarding mobile phone batteries (initially in the High Court, then arbitration following a successful jurisdiction challenge).
- Acting for a large European manufacturer of foam products in three separate High Court competition damages proceedings.
Regulatory Investigations
- Acting for a banking client in connection with regulatory and internal investigation matters relating to German “Cum-Ex” tax fraud investigations.
- Advising a large UK vehicle manufacturer in relation to bribery and potential POCA issues in connection with an Asian subsidiary.
- Acting in regulatory investigations commenced by the Hong Kong SFC, HKMA and the Korean Financial Supervisory Service.
Areas of Expertise
Latest news

@SignatureLitLLP
Partner Tsegaye Laurendeau comments on Nigeria’s appeal to overturn an $11bn arbitration award at London’s High Court, in @LegalWeek and @AfricanBizMag. Read Tsegaye’s comments by following the link here: bit.ly/3Do6Hp5 #InternationalArbitration #Arbitration pic.twitter.com/cFbHd2Usov
Tsegaye Laurendeau comments on Nigeria’s appeal to overturn an $11bn arbitration award in Law.com and African Business Magazine
27 January 2023
Tsegaye Laurendeau comments on Nigeria’s appeal to overturn an $11bn arbitration award in Law.com and African Business Magazine
27 January 2023