Catriona Hatton

Baker Botts (Brussels)
Lawyer (Partner)

Catriona Hatton is the managing partner of Baker Botts’ Brussels office and co-head of the European antitrust practice. Her practice focuses on European Union (EU) competition law, data protection, and regulatory affairs. Catriona has been practicing EU law in Brussels for more than 15 years and has extensive experience in advising on EU and national competition law aspects of international mergers, including filings under the EU Merger Regulation and the merger laws of EU Member States, as well as central and eastern European countries. She has represented clients in complaints to, and investigations by, the European Commission and numerous national competition authorities. Her practice includes advising on compliance with the competition rules in a wide range of commercial agreements, including distribution, research and development, technology licensing, franchising, and joint ventures. Her compliance work has frequently involved the conduct of antitrust audits and the design and implementation of compliance programs. Catriona has represented clients in such sectors as chemicals and pharmaceuticals, media and entertainment, automotive, and energy. Her data protection practice focuses on advising companies on EU-wide compliance with data protection laws and issues connected with the transfer of personal data to countries outside of the EU. Catriona has been engaged by the European Commission to advise on several projects involving the implementation by Member States of EU legislation in the areas of consumer affairs, financial services, and telecommunications. She also has been involved in advising the governments of the Czech Republic and Malta on aspects of accession to the EU. Her regulatory practice includes representation of clients before the EU institutions in supporting, opposing, or modifying legislation.


Linked authors

Hogan Lovells (Brussels)
Katz & Phillips
Merilampi Attorneys (Helsinki)
Constantine Cannon (Washington)
Hogan Lovells (Washington)
Office for Gas and Electricity Markets (OFGEM)
British Competition Authority - CMA (London)
Fingleton Associates (London)


Catriona Hatton (Baker Botts)
Catriona Hatton 26 September 2019 Brussels
Catriona Hatton (Baker Botts)
Catriona Hatton 20 September 2018 Brussels
Catriona Hatton (Baker Botts)
Catriona Hatton 7 September 2017 Bruxelles
Catriona Hatton - Global Antitrust Hot Topics, 8 September 2016
Catriona Hatton 8 September 2016 Bruxelles
Catriona Hatton
Catriona Hatton 17 September 2015 Bruxelles


31433 Bulletin

Catriona Hatton, Satu-Anneli Kauranen The Irish Competition Authority settles an alleged price-fixing dispute in the health sector relating to medical examination reports to life insurance companies (Irish Medical Organisation - IMO)


Introduction On 28 May 2007, the Irish Competition Authority announced that it had concluded a settlement agreement with the Irish Medical Organisation (IMO) on 25 May 2007. The settlement concerns an alleged price-fixing by the IMO in relation to the provision of Private Medical Attendant (...)


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