Duncan Liddell is a partner and head of our London antitrust, regulation and foreign investment practice
Duncan is a partner and head of the Antitrust, Regulation and Foreign Investment and EU law department in London and he specialises in contentious and non-contentious UK and EU competition law. Admitted in England & Wales and Ireland, he has considerable experience in advising a wide range of clients on matters before the EU Commission, UK Competition and Markets Authority, UK sectoral regulators (including Ofcom and the FCA), and the UK and European Courts.
Duncan has a very active behavioural practice advising defendants and complainants in relation to contentious and non-contentious matters relating to anti-competitive practices, restrictive practices, cartel behaviour and abuse of a dominant position. He also has a wealth of experience advising on the international merger control aspects of a full range of corporate transaction (mergers, acquisitions, disposals and joint ventures).
Latest Insights
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Legal development 
Online Christmas shopping unwrapped: competition and consumer law scrutiny
19 Dec 2024
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Antitrust, Regulation & Foreign Investment Q3 newsletter
31 Oct 2024
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What will be keeping in-house disputes teams at banks busy in the second half of 2024?
01 Aug 2024
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DMCC Act: CMA consults on revised guidance on administrative penalties
24 Jul 2024
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Antitrust, Regulation & Foreign Investment Q2 2024 newsletter
16 Jul 2024
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Antitrust, Regulation & Foreign Investment Q1 2024 newsletter
30 Apr 2024
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Legal development
CMA publishes informal guidance under Green Agreements Guidance
25 Mar 2024
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Latest news, deals and awards
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News Ashurst advises UB FIGG on its acquisition of FiberLean Technologies Limited
09 Dec 2024
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News Ashurst advises National Express on all-share combination with Stagecoach
14 Dec 2021
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News Ashurst advises Babcock International on sale of oil and gas aviation business
02 Sep 2021
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