The law firm tqf legal provides high-end legal services and efficient entrepreneurial solutions for legal challenges. We understand your business, as well as your technical and personal background. Highly specialised advice in intellectual property law, copyright law, media and press law and competition law.


Legal Areas

We advise our clients comprehensively in the areas of intellectual property law, competition law, media law, pharmaceutical law as well as data protection and numerous related commercial law issues, such as contract, labour and corporate law. A special focus of our law firm is also litigation and interim legal protection. We often also act within national or international teams from various specialist areas.


Til Quadflieg, M.A.

Til Quadflieg has worked for many years as a lawyer in the top tier law firms Quinn Emanuel Urquhart & Sullivan (Munich), Harmsen Utescher (Hamburg) and Preu Bohlig & Partner (Hamburg / Berlin) before founding the law firm tqf legal in Berlin in 2020.

Besides companies he also advises private individuals in press and media law as well as in employee invention law. He has an extensive national and international network. He regularly gives lectures and publishes in Germany and abroad.

Til Quadflieg studied law and philosophy at the same time in Bremen and respectively graduated as one of the best of his year. Subsequently, he has worked for two years at the Chair of Philosophy of Law, Theory of Law and Criminal Law of Prof. Felix Herzog. He completed his legal traineeship in Berlin (including a working period at CMS Hasche Sigle).

Til Quadflieg Portraitbild

Dr. Marc Bohlen, LL.M. (Stellenbosch)*

Dr. Marc Bohlen has been advising his clients in national and international contexts for many years. His area of practice includes copyright and intellectual property law as well as media, press and statements law. He assists his clients in matters of trade secret protection and data protection as well as IT law and also advises on employment law issues. Due to his expertise, he participated in the legislative design of the Network Enforcement Act (NetzDG) and advised the German Bundestag in this context.

Dr. Marc Bohlen has many years of experience as a lawyer and has worked for internationally operating law firms in Hamburg and Munich in recent years. In 2021, he moved to tqf legal in Berlin. Born in Hamburg, he passed both state examinations in Bavaria. He wrote his doctoral thesis in Munich. In addition, he obtained a Master of Laws (LL.M.) degree with a focus on intellectual property law in Stellenbosch (South Africa).

Dr. Karsten Engelke
(Medical Law Specialist)**

Dr. Karsten Engelke advises companies in the healthcare industry on all legal issues (with the exception of reimbursement by the statutory health insurance). After working as a lawyer for a major international law firm, Karsten Engelke worked for many years in two well-known medical law boutiques in Berlin, most recently as a salary partner at Dierks + Company. He advised international pharmaceutical companies and large corporations as well as startups, medical device companies and developers of digital products on market access in Germany, in particular on regulatory issues.

Dr. Karsten Engelke has been recognized by the industry handbook JUVE and the international law firm handbook Legal 500 as a frequently recommended lawyer in the areas of healthcare law and pharmaceutical law. He is a member of the ethics committee of Charité Universitätsmedizin and lectures on health law at the University of Bremen and on innovation law in the healthcare industry at the Technical University of Berlin. Since October 2021, Dr. Karsten Engelke has been working as in-house counsel for the GKV-Spitzenverband in the area of pharmaceutical law. Since the end of 2021, Dr. Karsten Engelke has been working as Of Counsel for tqf legal (no employee, no partner).

Nina Kratz*

Nina Kratz had worked as a judge in social jurisdiction and chaired several court chambers before deciding to join the advocacy at tqf legal. She has extensive expertise in the field of health law. Mrs. Kratz is also a competent contact in the field of intellectual property law, including competition law and the regulation of advertising medicinal products.

Nina Kratz studied law at the Friedrich Schiller University and passed both exams with distinction. After her studies, she worked as a research assistant at the law firm Beiten Burkhardt in the areas of employment law and data protection.

Dr. Bijan Moini, M.A.**

Dr. Bijan Moini, M.A., provides legal advice in various fields, including media law, IT and data protection law, constitutional law, European law, and public economic law. He specializes in developing strategic processes aimed at obtaining landmark decisions from the German and Constitutional Courts or the European Court of Justice.

Since 2014, he has been working as a lawyer. After three years at a renowned Berlin law firm, he joined the Society for Civil Rights e.V., where he has been leading the legal team since 2021. He has already argued several constitutional complaints before the Federal Constitutional Court, which were coordinated by him. Since 2023, he has been working as Of Counsel for tqf legal (not an employee or partner).

Moini studied law and political science in Munich and Paris. He obtained his doctorate from LMU Munich, supervised by the former President of the Federal Constitutional Court, Hans-Jürgen Papier.

Moini is also an author. He has published three books and regularly writes on social and political topics for various media outlets. Additionally, he is a board member of the Foundation Every Human Being initiated by Ferdinand von Schirach and a member of the Media Council of the Media Authority Berlin-Brandenburg.

* Employed lawyer
** Of Counsel without partnership interest



We are looking for committed  lawyers (m/f/d), legal trainees (m/f/d), to strengthen our dynamic team in Berlin.

We are looking for committed  research associates (m/f/d) to strengthen our dynamic team in Berlin.

We are looking for committed  freelance partners (m/f/d) to strengthen our dynamic team in Berlin.



tqf legal
Law firm 

Tel: +49 30 2359037 00
Fax: +49 30 2359037 09

Kanada Haus
Voßstraße 20
10117 Berlin

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