Our specialists
Emil Jurcenoks
Attorney-at-Law (H)
Partner
Kasper Frahm
Attorney-at-Law (H)
Partner
LL.M.
Mikkel Vittrup
Attorney-at-Law (H)
Partner
Sture Rygaard
Attorney-at-Law (H)
Partner
Emma Marie Søgaard
Attorney-at-Law
Eva Wittrup Sodemann
Attorney-at-Law
Manager
Jakob Dolmer
Attorney-at-Law
Manager
Julia Josefine Rebild
Attorney-at-Law
Julie Sneholt
Attorney-at-Law
Kathrine Sondrup
Attorney-at-Law
Kia Hansen
Attorney-at-Law
Manager
Mads Møller Nielsen
Attorney-at-Law
Maria Kaas-Petersen
Attorney-at-Law
Michala Cyron
Attorney-at-Law
Director
Nikolai Seltoft
Attorney-at-Law (L)
Director
LL.M.
HD(IB)
Esq.
Oliver Hyche Lyngholm
Attorney-at-Law
Peter-Ulrik Plesner
Of Counsel
Rasmus Lei Korsgaard
Attorney-at-Law
Director
Sofie Beiter Arreskov
Attorney-at-Law
Director
Ratings
Within Patent Litigation and Transactions Plesner is a Gold Firm.
"Plesner fields one of the largest and most experienced patent litigation teams in Denmark, with a strong reputation for handling high-stakes disputes"
"With its combination of scale, sector focus and cross-border capability, Plesner remains a leading choice for originator companies seeking strategic patent litigation support in Denmark and beyond"
"Plesner fields one of the largest and most experienced patent litigation teams in Denmark, with a strong reputation for handling high-stakes disputes"
"With its combination of scale, sector focus and cross-border capability, Plesner remains a leading choice for originator companies seeking strategic patent litigation support in Denmark and beyond"
2026
iam 1000
Denmark Patent Disputes Firm of the Year
Europe Cross-Border Patent Litigation Team of the Year for the work on Takeda
Europe Cross-Border Patent Litigation Team of the Year for the work on Takeda
2026
Managing IP Awards
Within Intellectual property, Plesner is a first tier firm.
"We have used the team for a trade mark dispute. They were excellent at making us feel that we were in good hands, gave us direct and honest assessments of our chances and delivered to perfection"
"Denmark’s largest and arguably most respected patent law practice. Generally very thorough approach that investigates all angles before choosing the best route forward, even on a very detailed level"
"Plesner are THE leading IP firm in Denmark. For important patent work, I would not look elsewhere. They have bags of experience and the best clients and yet remain hungry. Awesome"
"Broad experience, high dependability, good sense also for the business"
"We have used the team for a trade mark dispute. They were excellent at making us feel that we were in good hands, gave us direct and honest assessments of our chances and delivered to perfection"
"Denmark’s largest and arguably most respected patent law practice. Generally very thorough approach that investigates all angles before choosing the best route forward, even on a very detailed level"
"Plesner are THE leading IP firm in Denmark. For important patent work, I would not look elsewhere. They have bags of experience and the best clients and yet remain hungry. Awesome"
"Broad experience, high dependability, good sense also for the business"
2026
The Legal 500
Plesner is listed in "Band 1" as regards Intellectual Property by Chambers Global and Chambers Europe.
"The team have a lot of experience in the pharmaceutical IP area and also the regulatory systems in Denmark"
"The lawyers are easygoing, offering immediate access and a business mindset"
"The team possesses very profound expertise and experience"
"The team have a lot of experience in the pharmaceutical IP area and also the regulatory systems in Denmark"
"The lawyers are easygoing, offering immediate access and a business mindset"
"The team possesses very profound expertise and experience"
2026
Chambers Global
Plesner is listed as a Tier 1 firm as regards Copyright & related rights, Patent disputes, Trade mark disputes and Trade mark prosecution – law firms.
2025 - 2026
IP Stars
Within Patent Litigation and Transactions Plesner is a Gold Firm.
"One of Denmark's leading firms, Plesner is a staple for top-tier patent litigation work"
"The team’s expertise spans a broad range of patent services and technical fields, and it is well known among a wide range of prestigious names in the pharmaceuticals field"
"One of Denmark's leading firms, Plesner is a staple for top-tier patent litigation work"
"The team’s expertise spans a broad range of patent services and technical fields, and it is well known among a wide range of prestigious names in the pharmaceuticals field"
2025
iam 1000
Within Intellectual property, Plesner is a first tier firm.
"Top tier IP team, leading in terms of both size, skill, and accumulated experience. Remains the go-to firm in any IP dispute"
"Plesner is the leading IP firm in Denmark. They represent most of the originators in the life sciences field. Their commitment to client service is unsurpassed. They are friendly and responsive"
"Highly reputable team of patent practitioners, most well known for representing innovator companies in high profile disputes. Their reputation is richly deserved in the Danish patents sphere and they are also great collaborators and easy to work with"
"Super efficient team, very approachable, proactive, and give high-quality advice"
"Top tier IP team, leading in terms of both size, skill, and accumulated experience. Remains the go-to firm in any IP dispute"
"Plesner is the leading IP firm in Denmark. They represent most of the originators in the life sciences field. Their commitment to client service is unsurpassed. They are friendly and responsive"
"Highly reputable team of patent practitioners, most well known for representing innovator companies in high profile disputes. Their reputation is richly deserved in the Danish patents sphere and they are also great collaborators and easy to work with"
"Super efficient team, very approachable, proactive, and give high-quality advice"
2025
The Legal 500
Plesner is listed in "Band 1" as regards Intellectual Property by Chambers Global and Chambers Europe.
"There is a high level of technical understanding in the whole team, and excellent litigation skills"
"The Plesner team is excellent"
"Plesner provides stellar support from partner level to paralegals"
"The lawyers have vast experience and expertise, and a rare ability to hit the spot with their assessments"
"The team are fast, business-minded and provide usable legal assistance"
"There is a high level of technical understanding in the whole team, and excellent litigation skills"
"The Plesner team is excellent"
"Plesner provides stellar support from partner level to paralegals"
"The lawyers have vast experience and expertise, and a rare ability to hit the spot with their assessments"
"The team are fast, business-minded and provide usable legal assistance"
2025
Chambers Global
Denmark Patent Disputes Firm of the Year.
Denmark Copyright & Design Firm of the Year.
Denmark Copyright & Design Firm of the Year.
2024 + 2025
Managing IP Awards
Within Intellectual property, Plesner is a first tier firm.
"Plesner’s IP team has exceptional technical understanding and in combination with their strong patent litigation foundation, they are unique in Denmark"
"Plesner’s IP team has exceptional technical understanding and in combination with their strong patent litigation foundation, they are unique in Denmark"
2024
The Legal 500
Plesner is listed in "Band 1" as regards Intellectual Property.
"The lawyers are very responsive and provide succinct advice"
"The law firm has strong expertise in IP matters. The lawyers are pragmatic and client-focused, with strong commercial acumen"
"Plesner has a very experienced team with an excellent reputation. It is impressive in its handling of patent litigation matters in the life sciences sector"
"The lawyers are very responsive and provide succinct advice"
"The law firm has strong expertise in IP matters. The lawyers are pragmatic and client-focused, with strong commercial acumen"
"Plesner has a very experienced team with an excellent reputation. It is impressive in its handling of patent litigation matters in the life sciences sector"
2024
Chambers Global