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The International League of Competition Law (LIDC) is a long-standing international association, which was created in 1930. The LIDC focuses on the study of competition law, intellectual property law and unfair competition law. It is a unique platform for exchanging and developing ideas and knowledge on the intersection of competition, intellectual property and unfair competition laws, both at national level and in an international setting.

The LIDC’s is constituted by National Groups that agree with the LIDC’s purposes and participate in its activities. Individual members from countries where no national group is currently constituted can also become an LIDC member.

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Upcoming activities
Thursday 12 February
Second E-conference: Revitalising Competition Law and Policy in Australia and New Zealand
Next congress
LIDC Congress 2026 - Bucharest, Romania, from 15 to 18th October 2026
We are pleased to inform you that the next LIDC Congress will be held in Bucharest, Romania, from 15 to 18th October 2026. Further details will follow in due course, but we kindly ask you to already save the date ! Please also find below the draft Question A and Question B, as well as the timeline for the Springer reports : Question A: “To what extent and in what way have the negotiated procedures (leniency, commitments, settlements and, where applicable, consent decrees) improved the effectiveness of Antitrust Law without unduly conflicting with fundamental principles such as the rights of…
LIDC Webinars serie
LIDC Webinar on Anticompetitive Practices in Labor Markets (9 December 2025)
We are pleased to invite you to the upcoming LIDC & LIDC NexGen lunchtime webinar, titled “Anticompetitive Practices in Labor Markets”, which will take place on: Tuesday, 09 December 2025, 12:30–13:30 CET During this session, our speakers will explore the intersection of employment law and competition law from a comparative EU / US / UK perspective. Topics will include: Exchange of sensitive information between employers Wage-fixing practices No-poach and non-compete clauses Recent positions of competition authorities Associated legal risks and compliance best practices The discussion will provide practical guidance for legal, HR, and compliance professionals. You will find the full…
Events organized by the national groups
Second E-conference: Revitalising Competition Law and Policy in Australia and New Zealand
We are excited to announce that the second e-conference of the Australia-New Zealand chapter of the International League of Competition Law (LIDC) will take place on 12 February 2026 from 12pm – 3pm AEST (Brisbane time). The theme of the e-conference will be Revitalising Competition Law and Policy in Australia and New Zealand. Competition law and policy are a central pillar in our collective effort to foster economic dynamism, enhance consumer interests, preserve market pluralism, and ensure resilience. The e-conference theme has consciously drawn on the title of work of the Commonwealth, State and Territory Governments to revitalise the National Competition Policy. However, this is but one of several recent and…