Donald Slater is a partner in our antitrust, regulatory and trade practice
Donald has specialised in EU law since 2000, mainly working in private practice but also in the EU institutions and academia. He has extensive experience in EU and UK subsidy law, advising governments, beneficiaries and complainants in relation to the EU State aid and UK subsidies regime as well as, more recently, preparation for the entry into force of the EU Foreign Subsidies Regulation. He has diverse and in-depth experience in litigation before European courts, having represented clients in various cases ranging from state aid and regulatory issues to cartel cases and abuse of dominance. Donald returned to Ashurst in 2018 after spending three years in the European Court of Justice in the chambers of an Advocate General, working on cases in all fields of EU law, with particular emphasis on regulatory law.
"Donald Slater is a standout litigator, representing the likes of UEFA in high-stakes cases before the ECJ and General Court." Legal 500 2023
Latest thinking
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Legal development
ECJ strikes down State aid for Paks II nuclear for procurement failures
22 Sep 2025
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Legal development
Simplified State aid rules to spur the Clean Industrial Deal
04 Jul 2025
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Legal development
New avenue to challenge State aid decisions on environmental grounds
19 May 2025
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Legal development
CJEU sharpens stance on active sales bans in exclusive distribution
15 May 2025
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Legal development
Consultation outcome: refining the UK subsidy control regime
17 Apr 2025
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Legal development
New guidance on the EU Foreign Subsidies Regulation
05 Aug 2024
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Legal development
European Commission publishes FSR Implementing Regulation
13 Jul 2023
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Podcasts
Episode 3, Competition Law and Foreign Investment in 2023 – EU Foreign Subsidies Regulation
10 May 2023
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Podcasts
Episode 3, Vertical Agreements in the EU and UK: Traditional Distribution Issues
10 May 2023
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Legal development
Managing the impact of the new Foreign Subsidies Regulation
21 Feb 2023
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Legal development
Avocate General Rantos supports UEFA in its defence of the European Sports Model
19 Dec 2022
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Legal development
Competition Law Newsletter October 2022
03 Oct 2022
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Latest news, deals and awards
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News Ashurst advises UK Government on its efforts to safeguard the future of British Steel and its £500 million support package for Port Talbot steelworks
01 May 2025
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News Ashurst Advises LONGi Solar on Foreign Subsidies Regulation Investigation
14 May 2024
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News Ashurst advises BlackRock on its investment in Northvolt AB
23 Aug 2023
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