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  • Home
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  • Detlef Klett
Detlef Klett
Detlef Klett

Detlef Klett

Partner

  • Duesseldorf Germany
Contact Me Today
+49 211 8387 0
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Featured award

WirtschaftsWoche Ranking 2025

Top Lawyer IT-Law

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Detlef specialises in legal advice in the fields of digitisation, artificial intelligence, data protection and telecommunications. The focus of his practice is complex IT projects.

He also advises the public sector on large-volume IT and infrastructure projects, in particular the Federal Ministry of the Interior, Building and Community and its downstream sectors. Detlef has been the regular recipient of awards in recent years and is regarded as one of the most respected IT lawyers in Germany.

 

Expertise

Services and Groups

Data & cyber
Information technology
Artificial intelligence
Telecommunications
Insurance & reinsurance disputes
Tech Litigation

Sectors

Technology, media & communications
Insurance
Machine learning

Artificial Intelligence Act (AI Act)

All relevant and recent updates on the AI-Act!

CV

Since 2005 Partner, Taylor Wessing
1996 – 2005 Associate/Partner, Andersen Legal/ Luther Rechtsanwaltsgesellschaft
1983 – 1986 Training as a banker, Sparkasse Köln,Bonn
2005 Admitted as a lawyer, Düsseldorf
1996 – 2005 Admitted as a lawyer, Cologne
1996 Second state examination, Cologne
1993 First state examination, Cologne

Career

Since 2005 Partner, Taylor Wessing
1996 – 2005 Associate/Partner, Andersen Legal/ Luther Rechtsanwaltsgesellschaft
1983 – 1986 Training as a banker, Sparkasse Köln,Bonn

Education

2005 Admitted as a lawyer, Düsseldorf
1996 – 2005 Admitted as a lawyer, Cologne
1996 Second state examination, Cologne
1993 First state examination, Cologne

Publications

Info-Film: Überholt die Digitalisierung das Recht?, 03/2018

Additional languages

English

Awards

WirtschaftsWoche Ranking 2025

Featured

Top Lawyer IT-Law

The Best Lawyers™ in Germany 2025

Best lawyers: IT law

Legal 500 2025

"As an expert in the interfaces between IT, data protection and telecommunications law, Detlef Klett excels in the management of infrastructure and digitisation projects."

Legal 500 Germany 2025

Leading individual for information technology and Digitalization

“lots of experience in the public sector”, “expert in IT procurement law”, competitor

Frequently recommended lawyer for data protection

Frequently recommended lawyer for information technology - Transactions/ Outsourcing

Frequently recommended lawyer for IT law

Top Lawyer IT Law

Leading individual: Information Technology Law

Leading individual for information technology and Digitalization

Frequently recommended: IT

Top Lawyer for IT Law

Leading individual: Information Technology Law

Often recommended for data protection

"very visible", "experienced, pragmatic", "expert for international data transfers". Data transfers", competitor

Top lawyer 2022 for information technology law

Leading individual: Information technology law

"experienced in the area of public hand", competitior

Frequently recommended for Data protection law

TOP Lawyer for IT Law

Experience

Member of Chubb Europe's Cyber Incident Response Team

CHUBB European Group Limited, Directorate for Germany as member of its Cyber Incident Response Team. Chubb is the world’s largest publicly traded property and casualty insurance company.

Dr. Gunbritt Kammerer-Galahn
Detlef Klett
Mareike Christine Gehrmann
Dr. Axel Frhr. von dem Bussche, LL.M. (L.S.E.), CIPP/E

Detlef's news & insights

View Detlef's insights
Fibre optic cables
Click here to find out more
Technology, media & communications

The new Digital Ministry – a new beginning or redistribution?

21 May 2025

by Detlef Klett and Maximilian Schumann

Interface - AI Act

Data governance in the AI Regulation - in conflict with the GDPR?

16 November 2021
In-depth analysis

by Detlef Klett

6 of 9 Insights

Click here to find out more
Interface - Cyber Security 2021

IT Security Act 2.0 – more appearance than substance?

16 April 2021
Briefing

by Detlef Klett

3 of 6 Insights

Click here to find out more
View Detlef's insights

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