Mikko Leppä

Partner

Dispute Resolution​

Mikko Leppä heads HPP’s Dispute Resolution practice. Mikko is an experienced dispute resolution practitioner specialising in commercial dispute resolution with a particular focus on complex domestic and international arbitration and litigation. Mikko also acts as a counsel in alternative dispute resolution proceedings such as DRB and mediation, as well as in arbitration proceedings related to squeeze outs. In addition to his counsel role, Mikko acts as an arbitrator.

Sonja Lamminen

+358 9 474 2231
sonja.lamminen@hpp.fi

Mikko is consistently recognised as one of Finland’s most accomplished dispute resolution practitioners by leading international directories such as Chambers Europe, Chambers Global and Legal 500. He has also been recognised as Client Choice Arbitration Lawyer by Lexology, and ranked in Arbitration and Commercial Litigation categories in the same directory.

What our clients have said about Mikko:

“Mikko Leppä has been my main contact at HPP and has successfully represented my associated companies in several rather complicated cases. He excels at distinguishing the most relevant matters to present the case favourably for the client, and his performance at court is of a top quality.”
– Legal 500 2026

“Mikko is often able to add value by bringing a new perspective to a difficult question.”
– Chambers Europe 2026

”Mikko Leppä is a strong legal expert with great responsiveness. He follows up on matters.”
– Chambers Europe 2025

”Mikko Leppä is an experienced lawyer with a good attitude. With his wide knowledge, easy to work with.”
– Legal 500 2025

“Mikko is always available and can give quick comments and more complete evaluations as needed. He has the ability to understand the underlying business and also takes the more pragmatic commercial view into consideration. He has good experience and an ability to perform in court even in difficult situations.”
– Chambers Europe 2024

“He is straightforward and very easy to get along with.”
– Chambers Europe 2023

“Mikko Leppä is a true professional. Very analytical way to approach a case but still easy to understand the reasoning behind and communication towards the client.”
– Legal 500 2023

“Highly skilled litigator, excellent in reading the situation and experience has good intuition on how the litigation is expected to progress.”
– Legal 500 2021

HPP Attorneys (2013–)
Borenius Attorneys (2002–2013)
Eltel Group Oy (secondment) (2008)
District Court of Helsinki, Trained on the Bench (2007)

Finnish Bar Association
Finnish Arbitration Association
Swedish Arbitration Association
German Arbitration Institute (DIS)
CBBL

Diploma Course for International Arbitrators / SCC and SAA (2022)
Finnish Arbitration Academy, the Finland Arbitration Institute (2018)
University of Turku, LL.M. (2002)

Mikko Leppä

Partner

Dispute Resolution​

2026