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Triinu Järviste

Triinu Järviste

Partner, Head of Competition and State Aid Practice Group, Co-Head of Energy Practice Group
About

Triinu Järviste is a leading competition law specialist, praised by Chambers Europe for her ability to approach antitrust issues from a broader economic perspective.

She advises clients on all aspects of competition law, including criminal proceedings, merger control, and competition law claims in civil courts.

Triinu has significant experience in state aid matters, representing both grantors and recipients in proceedings before the European Commission and national courts. She has helped several public entities navigate state aid audits and ensure compliance.

With deep expertise in regulatory sectors such as electricity, gas, post, water management, electronic communications, and transport, Triinu advises clients on issues including price regulation, renewable energy support systems, and network-related matters.

She is a member of the Competition Law Committee of the Estonian Bar Association and lectures on competition law offences at the University of Tartu.

Testimonial

"Triinu Järviste has stood out as a great professional, who is both knowledgeable and also has great people and communication skills. She is always on top of new case law and can suggest the best way forward in complex competition law or EU law matters."
Legal 500
"She is really an expert in her field and knows answers to all questions one may have in regards to competition law. In addition, she has an ability to explain very complicated legal questions in simple and understandable way."
Chambers Europe
"Triinu Järviste can think about and analyse complex matters and when needed bring a truly academic touch to the topic."
Chambers Europe

CV

Professional career
Since 2025

Partner, law firm TEGOS (formerly TGS Baltic)

2023-2025

Associate Partner, law firm TGS Baltic

2021-2023

Counsel, law firm TGS Baltic

2017–2021

Senior Associate, law firm TGS Baltic

2014–2017

Senior Associate, law firm Varul

Since 2012

Competition Crimes Lecturer, University of Tartu, Estonia

2012–2014

Associate, law firm Varul

2011–2012

Lawyer, law firm Varul

2010

Intern, Estonian Competition Authority

2009

Intern, law firm Luiga Mody Hääl Borenius

2008

Intern, law firm Lawin Lepik ja Luhaäär

2008

Intern, law firm Luiga Mody Hääl Borenius

Memberships
2015

Competition Law Commission of Estonian Bar Assocation

2012

Estonian Bar Association

2010

Estonian Moot Court Society

Education
2012

London School of Economics and Political Science, Competition Law and Policy course

2011

University of Tartu, Faculty of Law, MA (cum laude)

2010

University of Helsinki, Faculty of Law (Student Exchange Program)

2009

University of Tartu, Faculty of Law, BA (cum laude)

2008

University of Salzburg, summer programme on private international law

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