Contact

Sylvain Justier

Magenta (Paris)

Lawyer (Co-founder & Partner)

Sylvain Justier co-founded Magenta at the end of 2008. He was previously a senior associate with Bureau Francis Lefebvre and White & Case Paris. Sylvain Justier is specialized in French and European competition law and in law for deregulated sectors (in particular as concerns electronic communications and energy). He works in the following fields for French and foreign clients:
– actions before the Competition Council or the European Commission for anti-competitive practices, notifications of merger operations, actions for unfair competition and for private enforcement before commercial courts, etc.
– regular assistance to major telecom operators, both in the field of fixed telephony as well as mobile services and internet : preparation and negotiation of contracts for interconnection and access to fixed and mobile networks (unbundling agreements, MVNO contracts, bitstream, wholesale line rental, etc.), preparation of responses to public consultations initiated by ARCEP (the French telecoms regulator) and the European Commission, litigation before ARCEP and the French Competition Council, etc.
– in the area of energy, assistance to operators in negotiating and drafting contracts for access to networks and electricity purchasing, advising new players regarding the application of gas and electricity regulations, implementing industrial partnerships, etc.

Contact

Linked authors

Laure Arnaud

Magenta (Paris)

France 1 contribution 254 visits

Lénaïc Godard

UVSQ (Versailles)

France 3 contributions 2048 visits

Gaël Hichri

Magenta (Paris)

France 2 contributions 3417 visits

Vincent Jaunet

Magenta (Paris)

France 19 contributions 78670 visits

16065 | Events

28 Mar 2019 Paris 4th Private Enforcement Conference : The current state of private enforcement in the EU and France See documents

29 Mar 2018 Paris 3rd Private Enforcement Conference : The current state of private enforcement in the EU and France See documents

6 Oct 2017 Paris Intel Judgement : A new definition of abuse of dominance? See documents

10 Mar 2017 Paris 2nd Private Enforcement Conference: Implementing the Damages Directive See documents

9 Feb 2016 Paris Les stratégies d’éviction non tarifaires : refus et discriminations à l’accès, exclusivité See documents

30 Jun 2015 Paris Competition issues in the telecom sector See documents

8 Jul 2014 Paris Competition in network industries See documents

Articles

4396 Bulletin

Sylvain Justier The French Competition Authority refuses to impose interim measures to facilitate the roll out of fiber to the home networks in France (Free / France Telecom)

12 February 2008 4396

On July 2nd, 2007, Free filed a complaint against France Telecom before the French Competition Council in order to have access to the incumbent’s ducts to roll out its optical local loops for residential customers. This complaint took place in a context where the main French residential (...)

39340 Review

Sebastien Soriano, Nicolas Charbit, Vincent Jaunet, Sylvain Justier Sébastien Soriano: Competition must conduct its self-examination

February 2021 1677

Interview conducted by: Nicolas Charbit, Editor, Concurrences, Paris Vincent Jaunet, Partner, Magenta, Paris Sylvain Justier, Partner, Magenta, Paris The video interview can be consulted at the end of this page. Nicolas Charbit: Sébastien Soriano, hello! You publish A Future of Public (...)

Sylvain Justier, Umberto Berkani Challenges and issues of competition law in the transport sector (Competition and transport, Lille, 16 April 2015)

December 2015 473

The regulation of competition in the transport sector lies both in the enforcement of “classical” competition law and, as regards rail transport and shortly road transport, in the action of the Railway Activities Regulation Authority, the powers and jurisdiction of which have been recently (...)

Anne de Cadaran, David Spector, Eric Dyèvre, Max Belot, Simon Genevaz, Sylvain Justier, Vincent Jaunet Regulating electricity tariffs: An energetic debate

December 2009 4085

Following the work of the Champsaur Commission and the insistent pressure from Brussels, the organization of the French electricity markets should soon be substantially amended. This dossier presents, in the context of ongoing market liberalization, some of the economic and legal issues raised (...)

Georges Decocq, Guillaume Caroff, Sylvain Justier Colloque: A new deal for commercial negotiations: One year after the LME Act (Paris, 24 September 2009)

December 2009 2787

One year after the adoption of the Modernization of the Economy Act and the first round of commercial negotiations under this Act, the Youth Comity of the AFEC (French Association for the Study of Competition) and the Comity for Company Projects and developments of the AFJE (French In-House (...)

Jean-Paul Tran Thiet, Sylvain Justier Electronic communications: The French Competition Council and ARCEP are on the verge of adopting new generation networks (Very high speed broadband access fiber networks)

September 2008 3360

Conc. conc. opinion No. 08-A-06 of 6 May 2008 on a draft legislative provision concerning the development of very high-speed fibre optic networks (LME Bill) ARCEP, 18 June 2008, notification to the European Commission and public consultation on the analysis of the broadband and very high speed (...)

Jean-Paul Tran Thiet, Sylvain Justier Dispute settlement: The French audiovisual regulator settles a dispute enhancing the non-discrimination principle (AB Sat and Métropole Télévision)

8 July 2008 3104

CSA, dec. no. 2008-523 of 8 July 2008 relating to a dispute between AB Sat and Métropole Télévision The entry into force on August 5 of the law on the modernisation of the economy reinforced the principle of contractual freedom by abolishing the tort of discriminatory practice provided for (...)

Jean-Paul Tran Thiet, Sylvain Justier EU electronic communications regulator: The European Commission proposes to create an European electronic communications market regulator (Draft regulation)

13 November 2007 4013

EC Comm, 13 November 2007, Proposal for a Regulation of the European parliament and of the Council establishing the European Electronic Communications Market Authority, COM (2007) 699 As we noted in the previous issue of our review, on 13 November 2007, the European Commission presented its (...)

Jean-Paul Tran Thiet, Sylvain Justier Telecommunications: The ARCEP consults the sector about the development and the potential regulation of new generation networks (Networks New Generation)

November 2007 4112

ARCEP, July 27, 2007, public consultations on very high speed broadband (access to ducts and sharing of the terminal part of fibre networks) At the end of July 2007, ARCEP published two public consultations on the development of so-called "new generation" networks in France. At a time when (...)

Jean-Paul Tran Thiet, Sylvain Justier Telecommunications - Access to directories: The Regulator states the conditions under which operators should grant access to their directories to directory assistance service providers (Universal directories)

30 November 2006 4604

ARCEP, decree no. 06-0639 of November 30, 2006 specifying the conditions for making lists of subscribers and users available for the purpose of publishing universal directories or providing universal information services, JORF no. 71 of March 24, 2007. On March 8, 2007, the Minister Delegate (...)

Jean-Paul Tran Thiet, Sylvain Justier Telecommunications - Termination call: The regulator fixes price that mobile operators may charge in 2007 for termination call (ARCEP, dec. 14 september 2006)

14 September 2006 4410

ARCEP, dec. no. 06-0779 of September 14, 2006 on the pricing framework for "direct" voice call termination rates for 2007 for Orange France, Société Française du Radiotéléphone and Bouygues Telecom in France and abroad. In 2004, ARCEP analyzed the competitive situation in the markets for (...)

Jean-Paul Tran Thiet, Sylvain Justier, Vincent Jaunet Electricity - Joint-purchasing: The Legislator and the French Competition Council allow major industrial consumers to enter into long term joint purchasing agreements with electricity producers through consortium (Law, Dec., 30 2005 - Electro-intensives industries)

30 December 2005 4583

Law n° 2005-1720 of December 30, 2005 of rectifying finance for 2005 (Supply Consortium for the benefit of electro-intensive industries) Conc. conc. opinion No 05-A-23 of 5 December 2005 on a proposed scheme to allow electro-intensive industries to benefit from specific conditions for the (...)

Jean-Paul Tran Thiet, Sylvain Justier Telecommunications: The Regulator adopts two decisions on market definition

27 September 2005 2132

ARCEP, Dec. No. 05-0425 of September 27, 2005 on the definition of relevant markets for the termination of geographical calls on alternative fixed networks, the designation of operators exercising significant influence on these markets and the ARCEP, decree no. 05-0571 of September 27, 2005 on (...)