Nicolai Lindgreen


Nicolai Lindgreen's primary field of expertise is patent, trademark and other IP litigation. He also advises on technology transfer, licensing, R&D and similar agreements. Nicolai became a partner in 2000.

Nicolai represents Danish and international clients within all industries, with particular focuson life science and healthcare. In his legal advice and case handling, Nicolai combines in-depth insight into Danish and international IP law and an analytical and innovative approach with open and straightforward communication, in order to present clients' views clearly and convincingly.

Through more than 20 years, Nicolai has conducted a large number of high-profile patent and trademark cases before Denmark's highest courts as well as Danish and international arbitration tribunals. His extensive international network enables him to draw on advice and assistance from the best national and foreign experts in their fields. Nicolai’s hands-on and results-oriented approach ensures that disputes are oriented towards the solution that best meets the individual client's commercial objectives, while avoiding unnecessary litigation.

Legal 500 2020

Intellectual Property, Leading Individual

Nicolai Lindgreen is a very credible senior statesman – an academic bearing but not afraid to get his hands dirty.

Who's Who Legal: Life Sciences 2020

Patent Litigation

Nicolai Lindgreen is a “strong team player and a pleasure to work with in multiparty litigation”, according to peers.

Chambers Global 2020

Intellectual Property, Band 1

Nicolai Lindgreen is a respected practitioner, acting for clients on patent infringement and appropriation cases. A source describes him as having "all-round expertise and a special skill for finding and focusing on crucial issues in cases."

Legal 500 2019

Intellectual Property, Leading Individual

Kromann Reumert covers the full spectrum of IP law for clients including Pandora and McDonald's. Recent highlights include patent litigator and practice head Nicolai Lindgreen acting for Coloplast, which sought a preliminary injunction against MBH relating to the sale of a urinary catheter which allegedly infringed upon the client's patents.

Chambers Global 2019

Intellectual Property, Band 1

Esteemed practitioner Nicolai Lindgreen is acclaimed for his experience in patent law, especially in the pharmaceutical and life sciences sectors. Lindgreen is also known for trade mark litigation. Sources state that he is "very good at strategic thinking."

Chambers Global 2018

Intellectual Property, Star Individual

Sources note that Nicolai Lindgreen "has a methodical approach as well as a good understanding of the technical side of things. He makes sure to have all areas covered and he is one of the most well-prepared people I have come across in negotiations. He is extremely thorough so nothing is ever unexpected, which makes you feel very safe throughout the process." Lindgreen advises on both patents and soft IP, including trade marks, and is particularly well known as a leading patent litigator.

Legal 500 2017

Intellectual Property, Leading Individual

‘Top-notch firm’ Kromann Reumert often handles patent litigation for domestic and international clients. ‘Star’ group head Nicolai Lindgreen successfully represented Accord Healthcare in repealing a preliminary injunction against a patent.

Chambers Global 2017

Intellectual Property, Star Individual

Stellar IP practitioner Nicolai Lindgreen is highly revered for his expertise in IP law matters. He is best known for handling contentious matters relating to patent and trade mark infringement.

Chambers Global 2016

Intellectual Property, Star Individual

Sources praise Nicolai Lindgreen for his "thorough and excellent understanding of the law." Clients are also impressed by his level of commitment: "The case he worked on was very technical but he picked it up quickly; he takes the time to engage with the case in order to fully understand it." His practice focuses on contentious cases, particularly in connection with patent and trade mark infringement.

Legal 500 2016

Intellectual Property, Leading Individual

Kromann Reumert’s practice head Nicolai Lindgreen specialises in patent litigation, with a particular focus on life sciences matters. 

The World's Leading Patent Professionals 2016


The group draws plenty of praise from all corners of the market, much of it focusing on standout practitioner Nicolai Lindgreen. He is "extremely well-founded, theoretically", as his Danish Patent Act commentary and other writings bear out. "He prepares cases carefully" and, at the sharp end of things, "gets straight to the point". Moreover, "he has built a great team around him, which he leads very effectively". "He's in a class of his own." 

Who's Who Legal: Patents 2017


Nicolai Lindgreen is listed as a leading patent lawyer.

Who's Who Legal: Life Sciences 2017

Patent Litigation

Nicolai Lindgreen is listed as a leading patent expert.

Legal 500 2015

Intellectual Property, Leading Individual

Nicolai Lindgreen, who specialises in life sciences patent litigation, ‘focuses on the points that matter without getting caught up in irrelevant details’. 

Chambers Global 2015

Intellectual Property, Star Individual

Nicolai Lindgreen is "particularly good at understanding and presenting technical points, and is a very good communicator and case manager," say clients. He specialises in patent and trade mark litigation, particularly within the life sciences sector. 

Legal 500 2014

Intellectual Property, Leading Individual

Kromann Reumert’s seven-partner team has ‘strong business acumen and superior knowledge’ is considered to be ‘better prepared than its opponents’. Nicolai Lindgreen represents DuPont in patent entitlement and enforcement cases. Nicolai is listed as a "leading individual".

The World's Leading Patent Practioners 2014


Nicolai Lindgreen is universally acclaimed as "one of the very best" for important patent trials and, more generally, as "among Denmark's most outstanding lawyers in any area of practice".

  • President of the Danish Association for the Protection of Intellectual Property Rights and of the Danish AIPPI Group
  • AIPPI Award of Merit 2011
  • Assistant Reporter General of the International Association for the Protection of Intellectual Property (AIPPI) 2004-2010
  • Member of the European Patent Lawyers Association (EPLAW), the Licensing Executives Society (LES), the European Communities Trademark Association (ECTA), the American Intellectual Property Law Association (AIPLA), the International Trademark Association (INTA), the Danish Supreme Court Bar Association, among others
  • Patentloven med kommentarer (The Annotated Danish Patents Act), 2012 Djøf Publishers
  • Patent Protection for Second Medical Uses, Wolters Kluwer 2016
  • The Unitary Patent Court (Den Fælles Patentdomstol), 2015, Karnov Publishers
  • Evidence by court-appointed experts and party-appointed experts in patent litigation (Maritime and Commercial Court's 150 years anniversary publication 2011)
  • The Roles of Patent Agents in Patent Litigation (The Association of Danish Patent Agents' Centenary Publication 2001)
  • Concise European Trade Mark and Design Law, Kluwer Law International
  • Denmark Chapter in Handbuch der Markenpiraterie in Europa, C.H. Beck
  • Partner 2000
  • Master of Laws (LL.M.) from Jesus College, Cambridge 1995
  • Master of Laws (cand. jur.) from the University of Copenhagen 1990
  • Born in 1967
Admission and right of audience
  • Right of audience before the Danish Supreme Court 1999
  • Admitted to practice law 1993
  • English
  • The Scandinavian languages

Patent Protection for Second Medical Uses

Patent Protection for Second Medical Uses explains the key jurisdictional differences and challenges in protecting and enforcing second medical use (SMU) claims.
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The Unified Patent Court – the administration of justice at Europe’s new patent court

This book gives a comprehensive introduction to the administration of justice by the new European patent court, the emphasis being on the practical aspects of proceedings. The book is meant as an aid to understanding proceedings, focusing on what, who, when and how, while issues of a more general and theoretical nature are only briefly addressed.
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Concise European Trade Mark and Design Law

The book aims to offer the reader a rapid understanding of the provisions of trademark and design law in force in Europe.
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