Maurits Boer

Maurits is a founding partner and co-chair of the firm’s international arbitration and litigation practice. He represents clients in complex, high-value disputes across a range of industries, with a focus on technology, energy, financial services, construction, and retail.

Maurits has acted in more than 50 international arbitrations and legal proceedings before Dutch courts, with values in dispute regularly exceeding billions of dollars. Before co-founding 4DArbitration, Maurits worked for over a decade at the Arbitration and Litigation practice of a large international law firm, ranked Band 1 by Chambers, Tier 1 by Legal 500, and listed in the GAR 100.

Maurits is a recognized expert in contractual disputes, liability claims, corporate litigation, enforcement of foreign judgments and arbitral awards, and annulment of arbitral awards. He also advises clients on large cross-border corporate and financial transactions in the Netherlands and the Dutch Caribbean.

Maurits acts as arbitrator and teaches at various institutions. He is a member of the Dutch Association for Procedural Law, the Dutch Corporate Litigation Association and the Dutch Arbitration Association. He is admitted to the Dutch Bar. Maurits graduated in law (with Honors) from Erasmus University Rotterdam, Tilburg University, Oxford University and the Grotius Academy.

Track Record

Representing a large Italian energy company in a gas price revision arbitration under the UNCITRAL Arbitration Rules and related Dutch annulment proceedings against a large Dutch energy company, with a value in dispute of over EUR 1 billion.
Representing the largest military shipbuilding company in the United States in recognition and enforcement proceedings of a foreign arbitral award against Venezuela, with a value in dispute of over USD 140 million.
Representing an Eastern European state in six arbitrations under the UNCITRAL Arbitration Rules commenced by several Eastern European companies, with an aggregate claimed value of over USD 6 billion.
Representing the Indian company Flemingo in annulment proceedings concerning an UNCITRAL arbitral award against Poland, with a value in dispute of over USD 80 million.
Representing a Hong-Kong-based reinsurer in an arbitration under the ARIAS Arbitration Rules and related attachments proceedings against a large Dutch Caribbean insurance company, with a value in dispute of over USD 23 million.
Representing a large logistics company in Dutch court proceedings concerning the termination of a joint venture with another large logistics company, with a value in dispute of over EUR 50 million.
Representing a South Asian state as Dutch counsel in an investment arbitration under the UNCITRAL Arbitration Rules against a UK energy company, with a value in dispute of over USD 4.4 billion.
Representing Nova Group Investments as Dutch counsel in an investment arbitration under the ICSID rules against Romania, with a value in dispute of USD 350 million.
Representing a reinsurer in a commercial arbitration under the ICDR Rules concerning the failure by certain insurance companies to repay a shareholder loan, with an aggregate value of more than USD 10 million.
Representing a U.S. listed company in a construction arbitration under the RvA Rules concerning the largest Dutch waste-to-energy plant, with a value in dispute of over EUR 50 million.
Representing a South Asian state in annulment proceedings concerning an UNCITRAL arbitral award against an Indian satellite communications company, with a value in dispute of over USD 1.2 billion.
Representing an Asian pharmaceuticals company in an ad hoc arbitration with a European supplier in relation to an acquisition, with a value of over EUR 30 million.
Representing a South America state in annulment proceedings in connection with an arbitral award under the ICSID Facility Rules against one of the largest banks in Spain, with a value in dispute of over USD 100 million.

Attorney | Partner