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GAR 100 - 11th Edition


05 April 2018

The Hamburg firm’s name partner is becoming more visible as arbitrator in investment treaty cases

People in Who’s Who Legal 3
Pending cases as counsel 6
Value of pending counsel work US$500 million
Treaty cases 0
Current arbitrator appointments
23 (of which 11 are 
as sole or chair)
Lawyers sitting as arbitrator  5

Hanefeld was founded in Hamburg in 2011 by Inka Hanefeld and Jan Heiner Nedden. Hanefeld previously practised in the Vienna, New York and Hamburg offices of Freshfields Bruckhaus Deringer, and is a vice president of the ICC International Court of Arbitration. Nedden served as counsel at the ICC Court for seven years The firm has two other partners who were promoted internally: Nils Schmidt-Ahrendts and Friedrich Rosenfeld.

While all four partners sit as arbitrators, Hanefeld is particularly active in this regard. She has received around 80 appointments at the ICC, the German Institute of Arbitration (DIS) and other bodies, including some investment treaty cases.

In its counsel work, Hanefeld serves clients in a variety of industries, particularly the trade, chemical, construction and engineering, energy and financial services sectors.

Track record

It recently acted in a €100 million project finance dispute and a €18 million case relating to infrastructure and transport sector, both heard at the DIS. The latter led to proceedings before the German Federal Court of Justice.

Recent events

Inka Hanefeld and Jan Heiner Nedden are co-counsel in two DIS arbitrations relating to the offshore energy sector, estimated to be worth €200 million.

Schmidt-Ahrendts and Rosenfeld are advising in dispute adjudication board and ICC proceedings involving a foreign state-owned entity, with some €60 million in dispute.

In her arbitrator work, Hanefeld recently chaired an ICC panel in a €1.2 billion dispute between German-Austrian consortium SEK and Japan’s Hitachi group over the construction of a power plant in the Rhine. She’s been co-arbitrator in a €230 million energy dispute at the ICC and a €120 million Energy Charter Treaty claim at the SCC.

She also received her first ICSID appointment as arbitrator, being tapped by Hungary to hear a US$52 million claim by a Portuguese biscuit maker.



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