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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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What's next?

Upcoming activities
Tuesday 06 June
AFEC Conference: “Competition law in the face of crises”
Thursday 15 June
LIDC Webinar Interim Measures in Competition Law Cases: status, recent developments and areas for improvement – Part II
Thursday 21 September
Gothenburg Congress 2023
Next congress
Next LIDC Congress held in Gothenburg on September 21-24 2023 - live and open for registration!
We are very happy to inform you that the website for the next LIDC Congress held in Gothenburg on September 21-24 2023 are now live and open for registration! https://www.ligue.org/congress/2023/ Browse the website and discover the program we have prepared for what will be a fantastic event. As you know already, the 2 questions that will be discussed this year are: Question A: Do recent developments in enforcement, case-law, and guidance from competition authorities and regulators make the delineation between legitimate and efficient purchasing and supply arrangements and infringing conduct sufficiently clear in practice that businesses and their advisors know…
LIDC Webinars serie
Lunchtime Webinar: Interim Measures in Competition Law Cases: status, recent developments and areas for improvement - Part II
The LIDC will be holding a joint lunchtime webinar with the CLA on Thursday 15 June 2023 at 1:00 pm (CET) / midday (UK). Pascale Déschamps (French Competition Authority) and Alessandro Sia (Swiss Competition Commission) have kindly agreed to speak on the subject of Interim Measures in Competition Law Cases and will discuss the status, recent developments and areas for improvement. The session will be moderated by Carmen Verdonck (ALTIUS - Belgium). To register for this event follow this link: https://www.ligue.org/events/lidc-webinar-interim-measures-in-competition-law-cases-status-recent-developments-and-areas-for-improvement-part-i/ An online link to join the webinar will be circulated via email to all those who have registered. The…
Events organized by the national groups
AFEC Conference: "Competition law in the face of crises"
We are pleased to announce that AFEC is organizing a conference on June 6, 2023 from 2:00 pm to 6:30 pm at ICC, 33-43 avenue du Président Wilson, 75016 Paris. How do competition law(s) and the bodies in charge of its enforcement react to the various crises (economic, health, war with its energy or logistic consequences, climate) that companies are facing and to which they have to adapt? To what extent does competition law allow to overcome crises and/or does it constitute an obstacle, a brake to the initiatives of economic operators? Has the competition law been able to show…