Fields of practice

Tanel has mainly specialised in Estonian and EU competition law and EU law. He has also been thoroughly engaged in energy and network industries as well as retail and wholesale of pharmaceuticals. Tanel has also wide-ranging experience in corporate law and M&A transactions

Professional experience

2018-… Partner at TRINITI Estonia
2015-2018 Partner at Attorney at Law, Jesse & Kalaus Attorneys
2000–2015 Attorney at Law at Law Office Raidla Lejins & Norcous
2003 spring Visiting lawyer at Roschier, Attorneys Ltd.
1997–2000 Lawyer at AS Magnum Medical ja AS Magnum Grupp
1997 summer Desk officer at the consular department of the Ministry of Foreign Affairs

Over the years, Tanel has acted as the lead legal advisor in several large-scale competition law cases related to M&A transactions across the region, he has dealt with complex merger control issues, has been the team leader in numerous legal due diligences and has participated in several high profile IPOs

In addition, Tanel has conducted numerous analyses related to competition law (including state aid matters) and EU law, including assessments on several draft laws. He has represented clients in complex civil, administrative, misdemeanour and criminal procedures

Tanel is ranked as a leading individual by leading global research companies, such as Chambers Europe and Legal500. Tanel has appeared as a speaker at several Estonian and international seminars and has been the co-author of numerous international legal digests and articles

Professional membership

Member of the Competition Law Committee of the Estonian Bar Association since 2015

Member of the Estonian Bar Association since 2001


  • Publications issued by Law Business Research Ltd (Merger Control, Vertical Agreements ja Dominance from the series Getting the Deal Through), co-author of the Estonian chapters, 2012-2014
  • Publications issued by Sweet & Maxwell (Leniency Regimes), co-author of the Estonian chapters, 2012-2013
  • Kalaus, Tanel (2013). Corruption does not concern me. Or does it? Focus, 4, 8-9
  • Campbell, D. (editor). „International Banking. Law & Regulation“, Oceana; Oxford University Press, co-author of the Estonian chapter, 2010-2014


University of Cambridge, Master of Laws (LL.M.), 2002

Universiti of Tartu, Faculty of Law, cum laude, 2000


Estonian is Tanel’s mother tongue and he is also fluent in English. He also speaks Russian


Tanel has been playing football for years