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The International League of Competition Law (LIDC) is a long standing association which focuses on the study of competition (antitrust) law, intellectual property law and unfair competition, both at the national and international levels. It promotes mainly the principles of fairness and justice in competitive trade. 

At the Budapest Congress, which took place in October 4-7 October 2018, the League has elected the New President, Carmen Verdonck (Belgium), the First Vice-President, Christophe Rapin (Switzerland), two Vice-Presidents, Zoltan Barakonyi (Hungary) and Muriel Chagny (France). 

National groups members of the League 

Next Congress : 7-10 November 2019 - Congress in Paris



The French Association for the Study of Competition and the International League of Competition Law are pleased to invite you to Paris from 7 to 10 November 2019 for the LIDC's annual congress.
We are glad to announce that the early bird fee is maintained until beginning of September.

The substantive programme will be significant and on the theme of innovation and the modernisation of competition law and intellectual property.
We have a separate examination, which is running in parallel, of the two issues entrusted to the recognised international rapporteurs. Organising separate reviews willstrengthen the exchanges with the national rapporteurs and deepen the comparative approach of the modernisation topics discussed in both the competition and intellectual property law panels.
The quality and variety of stakeholders, who represent the Court of Justice of the European Union, the European Commission, national judges and competition authorities, as well as economists, academics, in-house lawyers and private practice lawyers, will give a precise and in-depth insight into the evolution of the enforcement of competition law 

But an LIDC league congress without friendship andenjoying our surroundings would not be a real congress!

This year, to celebrate the centenary of the Roaring Twenties, we will also enjoy relaxed and festive times with a welcome address about 'the art market in Paris'on Thursday evening in the lounge of the recently-renovated Lutétia hotel. On Friday, the reception at the Parliament will allow all participants to discover a place steeped in history and power. Saturday's gala dinner will offer a variety of surprises: gastronomic, musical, and,above all, an exceptional guest.

We hope to see very many of you in Paris. Don't wait to register and enjoy the special 'early bird' rates!

The questions that will be addressed by the international reporters during the Paris Congress will be:

Question A:To what extent should competition law be concerned with differences in prices, terms and conditions, or quality offered by suppliers to different purchasers

International RapporteursChristophe Lemaire and David Sevy 

Question B:Should there be legal restrictions on the ability of persons who claim, without sufficient justification, to hold IP rights that have been infringed to bring, or to threaten to bring, legal proceedings based on such claims against their competitors or others?

International RapporteurMark Anderson


National Rapporteurs

Instructions for publication
Springer instructions

National Rapporteurs - Question A

International Questionnaire - Draft international report 

Austria: Gerhard Fussenegger - Report 

Belgium: Daniel Muheme - Report 

Brasil: Joao Marcelo de Lima Assafim - Report 

France: Thierry BoillotMathilde BoudouNizar LajnefJean-Julien LemonnierThibaut MarcerouLauren Mechri and Remi Prades - Report 

Germany: Thomas Hoeren - Report 

Hungary: András Horváth and Péter Virág - Report 

Italy: Elisa Teti - Report 

Japan: Izumi Hayashi - Report 

Spain: Manuel Cañadas, Anna Ruiz MartinJulia Suderow, Maritza Iliana Núñez Osorioand Amaya Angulo - Report 

Switerland: Bernhard C. Lauterburg - Rapport 

Ukraine: Serhiy Shershun and Anna Garbar - Report 

UK: Sylwester Frazzoni - Report 


National Rapporteurs - Question B

International Questionnaire - International Report

Austria: Michael Meyenburg - Report 

Belgium: Sam Granata and Amandine Léonard - Report 

Brasil: Felipe Oquendo - Report

France: Martina IsolaAnne ServoirMarc LauzeralGuillaume MelotPETROV Petar Georgiev and Claire Vannini - Report 

HungaryZsófia Lendvai - Report

Italy: Marina Cristofori - Report

Spain: Vanessa Jimenez Serranía - Report

UK: Christopher Stothers - Report

LIDC Webinars

We are delighted to announce that the LIDC will be holding, on 5 November 2019 at 13.00 (continental time), a lunchtime webinar jointly with the English Competition Law Association (CLA) and the Association Française d'Etude de la Concurrence (AFEC). 

Claudia Desogus and Lourenco Ventura have kindly agreed to speak on the following subject: "Excessive Pricing Cases in the UK and Italy"

The session will be moderated by Frederic Jenny

There will be no charge for this event. LIDC Members: please register via the LIDC Secretary ( 

All other participants: please email the CLA Administrator (

Online registration will close on Monday 4 November.  


 Events regarding antitrust issues, intellectual property and unfair competition

Business Law Forum, 20-21 September, Vienna, organised by UIA in cooperation with the LIDC

The Forum will address the legal challenges related to e-commerce and platform economy. The topics will be discussed from various legal perspectives, including of antitrust, unfair competition, data protection, labour and corporate, and even criminal – to name just a few.

Members of LIDC national groups and individual LIDC members enjoy preferential rates. Early bird until 20 August!

Program and registration available here


Competition law and technology transfer - Lizenzkartellrecht, 28 August, Zurich, Switzerland

The Swiss association of competition law (ASAS, the LIDC national group) is pleased to invite you to a conference on technology transfer and competition law.

Members of LIDC national groups and individual LIDC members may register at the preferential rate applicable to ASAS members.




Other activities of the National groups associations can be found on their websites :

Austrian Group
Belgian Group 
French Group
Luxemburgian Group
Swiss Group
UK Group



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