Dr Flemming Moos is head of the Data Privacy Service Line at Osborne Clarke and advises companies on all issues relating to the use and protection of data.

Flemming specializes in data protection law and has been advising and defending companies in all matters relating to data for more than 20 years.

Flemming's advisory spectrum covers the entire range of data protection law; e.g. data protection-compliant implementation of digital transformation projects including smart data and AI projects, structuring and securing international data flows, drafting and negotiating data protection-related contracts of all kinds and dealing with data protection crisis situations such as data breaches or cyber incidents. He is also frequently involved in investigations by data protection supervisory authorities and represents clients in order and fine proceedings. Another focus of his work is litigation in data protection; mostly in defence against claims for injunctive relief and damages.

The Juve "Handbuch Wirtschaftskanzleien 2022/23", as well as Legal 500, highlights Flemming's expertise in data protection law:

"'very well connected, 'decades of experience in data protection', 'outstanding negotiator'''

Juve "Handbuch Wirtschaftskanzleien 2022/23"

"Leading name in data protection law''

Legal 500


Wirtschaftswoche 2023 categorises him as one of the most renowned lawyers for data protection law. In the first-ever Legal Allstars award by Wirtschaftswoche in cooperation with the Handelsblatt Research Institute (HRI) 2021, Flemming Moos took 1st place in the field of data protection law.

Flemming is co-editor and co-author of the "Praxishandbuch DSGVO", editor of the model contract manual "Datenschutz und Datennutzung" (Data Protection and Data Use) and co-author of several leading GDPR commentaries as well as author of numerous essays, expert contributions and judgement notes on data protection law. He regularly speaks at conferences and seminars on current issues in his field of work.

He was admitted to the bar in 2001; in 2006 he was awarded the title of "Fachanwalt für Informationstechnologierecht" (specialist lawyer for information technology law).

Flemming is also a regular presenter and speaker at Osborne Clarke’s GDPR Deep Dive webinar series, which has its own website here. There you can find out more about current topics in data protection law and also discuss with experts from Osborne Clarke and get information about upcoming events.

Octane Group

Osborne Clarke has advised the Canadian Octane Group on the acquisition of Aesculap AG's stake in Reutlingen-based TETEC Tissue Engineering Technologies AG on an interdisciplinary basis, read more.

Large Home Loan and Savings Bank

Advising a large home loan and savings bank on the data protection-compliant implementation of a smart data project in the area of customer data.

Stock-listed healthcare company

Advising a stock-listed healthcare company on the drafting and approval of Binding Corporate Rules.

Stock-listed healthcare company

Supporting a listed healthcare company in a ransomware attack with impact in over 70 countries.

Large fashion company

Defending a large fashion company in complex and large-volume GDPR fine proceedings.

Globally active chemical company

Supporting a globally active chemical company in responding to over 4,000 data subject access requests made in the course of a campaign.

Insurance company

Regular representation of an insurance company in court proceedings for the enforcement of claims for damages under the GDPR.


Osborne Clarke named "Law Firm of the Year Germany 2020", read more

Law Firm of the Year 2019 for IT & Data Protection & Technology

The journal JUVE has twice named the international legal practice Osborne Clarke as the Law Firm of the Year for 2019, read more

Contact Flemming