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Work +370 5 268 1888
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Riga, Tallinn, Vilnius

Dr Jaunius Gumbis

Work +370 52681830

Work Department

Industry & Regulatory Practice Group.


Partner; Head of the Industry & Regulatory Practice Group. Practice areas: Competition; Energy & Utilities; IT & Communications; International, EU & Domestic Trade; Public Procurement & PPP.


2001 to date - Partner, Head of the Industry & Regulatory Practice Group at Ellex in Lithuania;
1992 to date - Ellex in Lithuania;
2005 to date - Visiting Professor, Salzburg University;
1993 to date - Associate Professor of Philosophy of Law and Legal Reasoning, Vilnius University.


Lithuanian, English and Russian.


Recommended Arbitrator of Vilnius Court of Commercial Arbitration;
Energy Law Group.


2002 - Vilnius University, Ph.D. degree;
1995 - Studies at Jean Moulin University, Lyon, France;
1994 - Studies at International Institute of Human Rights, Strasbourg, France;
1993 - Studies at Academy of American and International Law, Dallas, USA;
1993 - Vilnius University, Master of Laws (LL.M.) degree.


EU and competition

Within: EU and competition

Noted for its ‘exceptional level of knowledge and expertise in the field’, Ellex’s team has been active in private enforcement disputes, state aid cases and Lithuanian Competition Council (LCC) investigations. Practice head Marius Juonys is assisting Rimi with a merger control case before the LCC following its acquisition of a competing network of retail stores. Jaunius Gumbis and associate Karolis Kačerauskas are highly respected practitioners; the former is representing the Lithuanian Basketball Federation in a case against two clubs arising from its decision (following a FIBA Europe ruling) to suspend teams that play in the EuroLeague competition. Senior associates Paulius Mencas and Ilona Jančiauskaitė are also recommended.

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Intellectual property

Within: Intellectual property

As a key name in the market for IP litigation, Ellex’s recent work includes representing basketball club Kauno Zalgiris in a trade mark dispute against football club Vilniaus Zalgiris relating to the use of the name ‘Zalgiris’; acting for Akzo Nobel in two cross-border trade mark disputes; and defending Telia Lietuva in a blocking injunction. Vytautas Mizaras heads the group, which also includes Jaunius Gumbis and senior associate Mantas Rimkevičius.

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Projects and energy

Within: Projects and energy

Ellex’s three-pronged practice has strengths in LNG and electricity projects, commercial energy transactions and regulatory issues governing heating and natural gas. Dovilė Greblikienė heads the energy group and advises Veolia and its various subsidiaries on heating lease argeements and regulatory investigations. Specialising in infrastructure projects, Ramūnas Petravičius is involved in a gas transmission project between Poland and Lithuania. Jaunius Gumbis heads the regulatory industries and trade practice.

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Within: Leading individuals

Jaunius Gumbis - Ellex

Within: TMT

Ellex is most often instructed by major international media, software and telecoms companies in connection with corporate transactions, cyber-security and data sharing issues. The team also has experience of car connectivity programmes and took on a number of junior lawyers with data protection expertise in 2017. Jaunius Gumbis, Tomas Kamblevičius and Vytautas Mizaras are the names to note.

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