Firm Profile > BarentsKrans > The Hague, Netherlands

PO Box 30457
2500 GL The Hague

Dispute resolution: Commercial litigation Tier 1

The dispute resolution team at BarentsKrans, based in the Hague, is perhaps most well known for its strong supreme court litigation practice, receiving referrals from several leading Dutch and international law firms to take cases up to that level. The firm is also home to strong teams dealing with commercial and corporate litigation, financial litigation, and contract disputes, along with a growing presence in mass litigation, with the firm often instructed by large-scale litigation funders. The practice is led by Martijn van MaanenRieme-Jan Tjittes, and William Schonewille, who focus on the commercial and corporate, Supreme Court, and financial litigation aspects of the practice respectively.


Wiliam Schonewille is proactive and on top of his matters: knows the details without losing the big picture.

Key clients


Supreme Headquarters Allied Powers Europe (Shape)

European Patent Organisation



Claims Funding Europe


Bank Indonesia

Fox Networks

Cartel Damages Claims

Tata Steel


The Greek State

The State of the Netherlands





Employment Tier 1

BarentsKrans is home to one of the premier employment teams in the Netherlands, and is particularly recommended for complex litigation, union negotiations, and restructuring. Max Keulaerds heads the team, and is well regarded for his litigation experience, particularly for disputes arising out of employee dismissals. Elsewhere in the team, Laurens De Graaf is highly recommended for matters involving trade unions, while senior associate Frank Dekker is another key name to note, having advised and represented several large clients, including in the Supreme Court. Peter Vas Nunes and Rogier Duk have retired.

Practice head(s):


BarentsKrans is really your go-to when it comes to employment law. Its a rare combination of an employment law team where all lawyers are above the average smart. They are very knowledgeable and each have their own specialism. That makes it a very all-round team.’

Their rates are more friendly than the Amsterdam firms, while at the same time they are probably even more knowledgeable than most firms. An excellent choice for any company to work with!

For me Laurens de Graaf is the employment team of BarentsKrans. His level of knowledge and the way he treats clients questions, both complicated and simple, with speed and care is remarkable.

We often work with Max Keulaerds, who is an outstanding litigator, extremely smart and at the same time a very friendly guy

Ireen Castenmiller is very knowledgable and can think very quickly on her feet. She has a pragmatic way of looking at issues which can simplify issues and make priorities clear which is very much appreciated.

Key clients

ABN Amro Bank

Canon / Océ Technologies




VDL Nedcar



Carlos Ghosn

The National Police

Industry focus: healthcare and life sciences Tier 2

BarentsKrans is praised as having 'unmatched qualifications and expertise' in the healthcare and life sciences sectors by bringing together commercial, regulatory and IP skills. The 'creative' and 'commercial' Marleen van den Horst is especially noted for her extensive, sector-focused patent, regulatory and product liability expertise, while Jaap Bremer is also noted for his blend of IP and IT knowledge. The group's work includes advising on clinical trials and the bolar exemption, acting in product liability cases for human and veterinary products, and handling advertising matters.

Practice head(s):


‘They are always eager to help, understand business and have exceptional knowledge of pharmaceuticals either legal or IP or regulatory aspects.’

‘They have unmatched qualifications and expertise, very proactive and keeps us updated on the case without delay.’

‘The team is very approachable and friendly.  The advice is always carefully thought through and thorough.  There is a depth of regulatory knowledge and experience that is unmatched at other Dutch firms.’  

 ‘Marleen van den Horst is highly experienced and always gets to the bottom of legal problems, whilst keeping the client’s commercial goals uppermost in her mind.  Her colleague Jaap Bremer is also a thorough lawyer with a pragmatic approach.’

‘They have in-depth understanding of all the different aspects of the healthcare and life sciences industry focus. This is a rare quality in particular in The Netherlands. And they have this combined knowledge in a condensed team. You do not have to jump from one team member to another; each team member has this quality.’

‘Marleen vd Horst is an absolute power woman; she is very creative and thinks various steps ahead. Not unimportant, Marleen automatically goes the extra two or three miles, which, in my experience, are always relevant and decisive. Marleen’s years of experience in the generic pharmaceutical field is recognized as a valuable asset not only by the generics but more and more also by the innovators in the pharmaceutical field.

‘BarentsKrans regulatory affairs competence is extremely helpful under all aspects of this area, providing – for example – legal support in disputes with authorities and competitors, reimbursement issues and patent (SPC) related questions. The energetic Marleen van den Horst teams perfectly with the more restrained Jaap Bremer.’ 

Key clients


Nutrition Sciences


Insud Pharma



Neo Kidney Foundation and Dutch Kidney Foundation


AET (Alfred E.Tiefenbacher)



Focus Care Pharmaceuticals


Consilient Health

Accord Healthcare

Stada / Centrafarm

Nutrition Sciences


Intellectual property: Patents Tier 2

BarentsKrans handles a wide range of contentious and non-contentious IP matters, with a particular focus on patent litigation and strategic advice on cross-border transactions. The team is known for its 'in-depth understanding' of business and expertise in litigation. Practice head Marleen Van Den Horst has a well-established expertise in generic pharmaceuticals and is a 'highly skilled litigator' with 'creative and commercially sound suggestions'. Jaap Bremer is also recommended as an 'excellent advocate' who is 'highly competent, pragmatic and deliberate'. Horst and Bremer are representing Mylan in preliminary relief infringement proceedings initiated by ICOS and Eli Lilly. Claudia Zeri is also noted.


Marleen Van Den Horst is very well known in generic pharma. She has an extensive understanding of patent and SPC law. Jaap Bremer is also an excellent advocate – I think that he is making a name for himself‘.

They have in-depth understanding of all the different aspects that are relevant for business. This is a rare quality in particular in The Netherlands. And they have this combined knowledge in a condensed team. You do not have to jump from one team member to another; each team member has this quality‘.

Marleen vd Horst is an absolute power women; she is very creative and thinks various steps ahead. Not unimportant, Marleen automatically goes the extra two or three miles, which miles, is my experience, are always relevant and decisive. Marleen’s years of experience in the generic pharmaceutical field is recognized as a valuable asset not only by the generics but more and more also by the innovators in the pharmaceutical field‘.

Marleen van den Horst is a determined and highly skilled litigator. Always willing to provide creative and commercially sound suggestions‘.

Jaap Bremer is highly competent, pragmatic and deliberate. Far more than a safe pair of hands though – a highly valued member of the litigation team. A quality advocate‘.

Claudia Zeri is a highly enthusiastic and committed litigator‘.

Key clients


Nutrition Sciences

Stada (Centrafarm)


NeoKidney Foundation

Sun Pharmaceuticals

Accord Healthcare

AET (Alfred E. Tiefenbacher)

Consilient Health

Insud Pharma




Focus Care Pharmaceutical

EU and competition Tier 3

BarentsKrans covers a wide range of EU and competition law including public procurement, state aid law, and cartel investigations. The team is praised not only for its expertise but also its 'understanding of the broader business challenges'. Joost Fanoy leads the practice and clients describe him as 'very knowledgable' with a 'sharp business mind'. The team is representing Macedonian Thrace Brewery with its follow-on litigation against Heineken and its Greek subsidiary Athenian Brewery. Also recommended is senior associate Tim Raats, a 'fantastic lawyer' with lots of experience.

Practice head(s):


Joost Fanoy is very knowledgeable, approachable and hands on. He has a sharp business (and common sense) approach and is very good at explaining difficult issues in simple terms which enable the business to make the proper decisions‘.

Tim also is a fantastic lawyer and – given his age – definitely one to watch in the future‘.

The team is a great choice for all competition law matters – both as regards Dutch and EU competition law – including merger control, cartel investigations, behavioural matters and compliance. The advice is always well tailored to the problem and the team works extremely well together.

Key clients

Exterion Media



Macedonian Thrace Brewery

BCD Travel

Finco Fuel

Dura Vermeer




Claims Funding Europe

Oshkosh Group



Cartel Damage Claims




Omni Bridgeway / Hausfeld

Stichting Jeugdformaat

Condor Arnhem

Visma Connect

Province of Zuid-Nederland

Real estate Tier 3

The sizeable team at BarentsKrans 'has the strength to advise on all facets of real estate', focusing in particular on project development, the setting up of property investment funds, and on the cooperation between local government authorities and private parties, especially in the areas of social housing and sustainable energy. Practice heads Jesse Zijlma and Jeffrey Koenecke act for a range of clients, including housing corporations, investment funds, institutional and commercial investors, investment managers and developers, among them IEF Capital, Aegon and Ikea. Other core members of the team include Remco BäckerNicole Soliana and Joost Huijgen.

Practice head(s):


High flexibility and availability.

Very high knowledge of the case involved.

The team has the strength to advise on all the facets of real estate. Providing both legal advice and also a notary is a big plus for this company.

Besides the fact that we are working with nice people they also have a hands-on mentality which is something that fits to our company philosophy.

Key clients


Aegon Levensverzekering NV


MN Services

Borealis Hotel Group

Brookland/Dirk van den Broek


Municipality of Delft

Zürich Lebensversicherung




BNG Bank


Van der Vorm Vastgoed

Rabobank Nederland

ABB Bouwgroep

Detailresult Groep



JP van Eesteren


Urban Interest

Municipality of Ridderkerk

Municipality of Westvoorne

Banking and finance: Borrower side Tier 4

Based in The Hague, BarentsKrans  has substantially expanded its financial offering over the last year, hiring senior associates Jason Van De Pol and Han Tonino in 2019, from Baker McKenzie and the Dutch Authority for Financial Markets respectively. The team is led by managing partner Michiel Martin, who has experience of a wide range of financing structures. Recent work has included acquisition finance, refinancing, and large cross-border deals, where the firm has provided Dutch law advice to major international firms and their clients.

Practice head(s):


BarentsKrans is a very good partner for our company in legal affairs.

Key clients

ASN Bank


Bank Indonesia

BNG Bank N.V.

BMW Nederland

Borealis Hotel Group

Dominion Colour Corporation



Huisman Equipment



King & Spalding


MSA Safety, Inc.


Quintes Holding

Reco Solar

Rooftop Energy

Sidley Austin LLP


Stichting Wocozon


White & Case

Zwanenberg Food Group

Intellectual property: trade marks, copyrights and design rights Tier 4

BarentsKrans has an established track record in areas such as trade marks, copyright and design law. The firm has cross-border capabilities and regularly advises clients including Exterion Media, Facebook, and KPN. Jaap Bremer and Marleen Van Den Horst jointly lead the team that is representing KPN in appeal opposition proceedings against trade mark squatter Michael Gleissner. Senior associate Jos Klaus is noted as someone to watch for the future.


We are working with Jaap Bremer and his team for years. The team has excellent expertise and is highly efficient, always customer-centric, having a excellent eye for the clients budget and needs. Superfast-responsive, easy to work with’.

Partner Jaap Bremer and senior associate Jos Klaus are a league of their own. Jaap really is one of the top guys in the field and it won’t take Jos long to get there as well. Smart, creative and very practical. They both really are a business partner‘.

The team is extremely responsive and gets to the heart of issues quickly. They always look at the bigger commercial context when evaluating the legal routes available and clients really appreciate that big picture thinking. They are always alive to the cross border implications of decision-making‘.

Key clients

Exterion Media





Nederlandse Energie Maatschappij

Vacu Vin

Voedingscentrum Nederland

Private equity Tier 4

BarentsKrans' work in the private equity space entails domestic private equity and venture capital transactions in industry sectors such as technology, biotech, safety and security. Led by Harry Rek, overseas private equity houses also frequently instruct the team in international inbound transactions through its referral network of law firms.

Practice head(s):

Other key lawyers:

Key clients



Athena Investissements


Foreman Capital


Commercial, corporate and M&a Tier 5

The BarentsKrans team is led by managing partner Michiel Martin, who is highly experienced in acquisitions and sales. Robert-Jan Zwaan is also a key name in the team along with Anne-Rieke van der Linden, who recently rejoined the team from an in-house role. Rhamsey Croes is also singled out. The group's client roster ranges from foreign multinationals to Dutch companies; the team also attracts clients through referrals from international US and UK firms.

Practice head(s):


High quality for a fair price. Partner accessibility and partner involvement is really outstanding. Very knowledgeable and strong client focus.’

Key clients



BMW Nederland

Canon Nederland

Bentley Systems

Borealis Hotel

Group B.V



Vekoma Rides 1

Total Specific Solutions

Rotla (Central Point)


Zwanenberg Food Group

Berwind Corporation

King & Spalding

Addtech Nordic

Huisman Equipment




Boehringer Ingelheim


The firm : BarentsKrans is an independent Dutch law firm located in The Hague. With over 80 lawyers and civil law notaries the firm has an excellent reputation in dispute resolution and transactional advice. The firm offers dedicated service that combines expert knowledge and experience to ensure its clients achieve their business goals. Its client base varies from listed and privately held multinational companies to financial institutions with commercial interests in the Netherlands. BarentsKrans’ litigators are regularly involved in groundbreaking cases leading to landmark decisions and are used to working in teams for multi-jurisdictional litigation.

Areas of practice: Corporate and commercial litigation: the firm’s corporate and commercial litigation specialists are recognised as leaders in this area. They advise and represent international and national clients in court proceedings and arbitration. The firm is involved in some of the most prominent international commercial and corporate disputes pending in the Netherlands, including cartel damages litigation (eg Air Cargo cartel and Paraffin wax cartel).

Commercial contracts: the firm has a number of recognised specialists in (international) contract law, who are able to act for companies and clients throughout the life cycle of a commercial contract: from the negotiation stage through to the contract termination. They work for both national and international companies, as well as advising renowned law firms that need extra expertise in the field of (international) contract law.

Banking & finance: BarentsKrans’ banking & finance team has many years of experience in advising and assisting clients with their entry into finance arrangements and on other complex finance issues, including financial regulatory and financial litigation matters. The lawyers of this team provide services to domestic and foreign banks, investors, other financial institutions, large companies, SMEs and high-net-worth individuals. This can involve syndicated or bilateral loans (LMA and other recommended forms), project finance, real estate (development finance), direct lending, asset based finance, trade finance and restructurings. Clients include: Huisman Equipment, Zwanenberg Food Group, Quintes, TINC Development Partners, Landesbank Hessen – Thüringen Girozentrale and Skandinaviska Enskilda Banken (SEB), BNG Bank, Triodos Bank and MVGM.

IP and technology: BarentsKrans’ leading experts in this area deal with (multi-jurisdictional) disputes regarding infringement and validity of intellectual property rights as well as disputes regarding licences and exploitation of technology. The firm has extensive experience in representing clients before various national and European courts and institutions, including the Dutch Supreme Court, the Court of Justice and the EUIPO and has been involved in many prominent and pioneering cases.

EU and competition: the firm has broad experience in EU law and competition/antitrust law, including cartels, merger control, private enforcement and state aid. The BarentsKrans’ lawyers also specialise in public procurement law and can advise tenderers or contracting authorities before, during and after the tendering process.

Life sciences: the distribution of patented medicines often leads to proceedings. The firm’s life sciences team has been involved in many of these proceedings. In the sector, short and mid-term capital requirements remain a constant challenge. The firm has a proven track record in assisting in venture capital, private equity, MBO and MBI transactions, setting up joint ventures and financing agreements.

Supreme Court litigation: BarentsKrans belongs to a select group of firms with a traditionally large and highly regarded cassation practice. The supreme court litigation lawyers advise lawyers and their clients and conduct cassation proceedings covering the entire field of civil law. The firm has been involved in numerous landmark cases (eg Samsung/Apple, KPN/Staat, Delta/Staat).

Corporate/M&A: BarentsKrans corporate specialists, including civil law notaries, have a lot of experience in the field of corporate law. They service a broad range of national and international clients on all aspects of mergers and acquisitions, private equity and venture capital transactions. Clients value the team for their efficient and problem solving approach.

Employment: the firm’s highly experienced specialists are known for their excellent service. They have been on top of the latest developments for well over a quarter of a century. BarentsKrans’ lawyers can assist with any employment law issue such as civil servants law, co-determination and pensions. All attorneys are members of relevant associations of employment law specialists.

Real estate: the firm consists of a large number of lawyers and civil law notaries with expert knowledge of and experience with real estate. Because the lawyers and civil law notaries work together closely, they are able to assist clients from the first negotiations through to the end result envisaged.

Department Name Email Telephone
Corporate and commercial litigation Roeland de Mol
Commercial contracts Rieme-Jan Tjittes
Supreme Court litigation Jan-Paul Heering
Employment law Laurens de Graaf
IP and technology Jaap Bremer
EU and competition Joost Fanoy
Real estate Nicole Soliana
Corporate and M&A Rhamsey Croes
Life sciences Marleen van den Horst
Notary Jeffrey Koenecke
Notary Robert-Jan Zwaan
Banking & Finance Jason van de Pol
Arbitration Rieme-Jan Tjittes
Public law & regulatory Remco Bäcker
Photo Name Position Profile
 Jan-Willem de Jong  photo Jan-Willem de Jong Jan-Willem de Jong works in the corporate litigation practice group. His practice covers…
Ms Marjolein van Rest  photo Ms Marjolein van Rest Marjolein has been working with BarentsKrans as a lawyer since April 2012.…
Number of lawyers : 80
INTA - International Trademark Association