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Pieter Huizing

Senior Associate


Huizing Pieter
Pieter Huizing

Senior Associate


Pieter Huizing is a senior associate in the competition law department of Allen & Overy LLP in Amsterdam. He focuses on various aspects of competition law and regulatory affairs. He regularly represents clients in proceedings before competition and regulatory authorities and courts. Pieter has extensive experience in merger control proceedings, cartel and abuse of dominance investigations, private litigation, general competition guidance and compliance.

Pieter has specific expertise in competition law and regulation in the aviation sector. He advises clients on aviation regulatory matters such as ownership restrictions, slots, airport tariffs and access conditions, distribution and air passenger rights. He also regularly acts for airlines and other aviation companies in merger control and antitrust proceedings.

While spending most of his time in Amsterdam, Pieter has also worked at the competition departments of the Washington D.C. and London offices of Allen & Overy and conducted several secondments at clients and at the Dutch competition authority.

Pieter is a University of Groningen graduate, where he received a cum laude LL.M. degree in Economics and Business Law, a cum laude LL.M. degree in International Law, and a cum laude M.A. degree in International Relations. He obtained a postgraduate diploma in EU Competition Law at King's College London in 2014. In March 2021, he obtained a PhD at Leiden University focusing on the parallel public enforcement of international cartels. Pieter regularly publishes in Dutch and international journals on competition law and is a guest lecturer at Nyenrode University and Leiden University.

News & insights

Light trails in a city at night

News: 20 OCTOBER 2021

Trial win for A&O's U.S. IP Technology Disputes team

Allen & Overy’s U.S. IP Technology Disputes team recently achieved a complete victory for child car seat manufacturer Wonderland Group in an intellectual property (IP) trial against Evenflo. 

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People standing on stairs talking

News: 06 OCTOBER 2021

Global antitrust partners recognised in Global Competition Review’s Women in Antitrust 2021

Elaine Johnston and Marta Sendrowicz, partners in our global antitrust team, are singled out for their experience and achievements in Global Competition Review’s recently published Women in Antitrust…

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close up of a puddle with ripples

Publications: 05 OCTOBER 2021

The impact of the Green Deal on EU Competition law: How Sustainability Aspects are shaping the Rules and what it means for Businesses.

In December 2019, the European Commission (the Commission) presented its European Green Deal, a set of policy initiatives aimed at making Europe climate-neutral by 2050. Margrethe Vestager (the…

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growing plant

News: 04 OCTOBER 2021

Allen & Overy advises Evergreen Garden Care on the acquisition of gpi green partners

Allen & Overy has advised Evergreen Garden Care Deutschland GmbH (“Evergreen”) in connection with the acquisition of all shares in gpi green partners international GmbH & Co. KG.

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Antitrust and Competition



Allen & Overy LLP
Apollolaan 15
1077 AB Amsterdam

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Admitted as advocaat, Netherlands, 2011


LLM International Economic and Business Law, Rijksuniversiteit Groningen

LLM International Law, Rijksuniversiteit Groningen

MA International Relations, Rijksuniversiteit Groningen

Postgraduate diploma in EU Competition Law, King's College London

PhD in competition law, Leiden University