
Lawyer & specialist lawyer for criminal law Daniel Sinnstein (née Lehnert)
Daniel Sinnstein (née Lehnert) is a specialist lawyer for criminal law and criminal defense lawyer in Berlin. He advises and represents clients comprehensively in all phases of criminal proceedings and before all courts throughout Germany. The focus of his work is the consistent protection of his clients' rights. His focus is on criminal law and victims' rights.
Advice is provided in German and English. With his specialist title in criminal law and many years of experience in criminal defense, he stands for competent, serious and reliable legal advice.
Over 14 years of experience
Satisfied clients
Lawyer Daniel Sinnstein - Specialist lawyer for criminal law in Berlin-Charlottenburg
Brief profile
I am Daniel Sinnstein (née Lehnert), Specialist lawyer for criminal law and owner of a law firm specializing in criminal defense at Fasanenstraße 73, Berlin-Charlottenburg.
I have been defending the rights of my clients since 2011 - from preliminary proceedings to appeal law. Through my International training in the USA and my Admission to the International Criminal Court (ICC) in The Hague (since 2019), I combine local expertise with a global perspective.
Languages
German
English (business fluent)
Spanish, French
Contact us
Law firm Daniel Sinnstein - Specialist lawyer for criminal law
Fasanenstraße 73, 10719 Berlin-Charlottenburg (on Kurfürstendamm)
Focus (Berlin | Criminal Law)
General criminal law
Commercial and criminal tax law
Narcotics and traffic criminal law
Prison & victims' law (accessory prosecution)
This focus enables efficient and tailor-made defense strategies for clients from Berlin and throughout Germany.
International experience & criminal jurisdiction (ICC)
After studying law at the Goethe University in Frankfurt am Main, I completed a two-year legal training in New York City to Weingrad & Weingard LLP and a criminal law boutique in the Empire State Building. There I learned the stringent, client-oriented approach of US trial lawyers - an approach that I consistently apply in Berlin today.
Since 2019 I am at the International Criminal Court (ICC), The Hague (NL)This is a rare qualification that my clients can use directly in cross-border or international criminal law matters.
Teaching activity
As Lecturer for criminal procedure law At the Berlin School of Economics and Law (HWR), I train future police commissioner candidates and students in criminal law.
Practical examples, comparative legal insights (USA | Germany) and current decisions of the ECtHR, BVerfG and BGH are incorporated into my seminars.
Career & Network in Berlin
Traineeship with focus on Criminal and commercial law in Berlin
Meeting service at the Berlin public prosecutor's office
Freelancer at Gasenzer & Kollegen (commercial law firm, Wilmersdorf)
Since 2011 admitted to the bar, since 2016 Specialist lawyer for criminal law
Shared office with the law firm Gehring Uhmann Dr. Rapp - Interdisciplinary exchange in subsidy, real estate and commercial law
What our clients say
Top advice and committed representation of my interests! Attorney Daniel Sinnstein convinces with competent advice and social competence. I was informed about all the opportunities and risks. Everything was explained very clearly for a layman like me. I would use this lawyer again at any time and can only recommend the services of Mr. Sinnstein's law firm to anyone who has questions about criminal law or even faces an acute situation.
With exceptional expertise, commitment and a high degree of professionalism, Mr. Lehnert resolved my case to my complete satisfaction. His transparent approach and always clear communication gave me the feeling that I was in the best hands. I can recommend him unreservedly and would call on his expertise again at any time.
Mr. Sinnstein impresses with his high level of expertise, experience and his human nature. He called me back within a few hours of my inquiry and a personal appointment was arranged just a few days later. Thanks to his protective letter, the investigation was closed. Mr. Lehnert takes his time and is available at almost any time or gets in touch promptly and provides advice and assistance. "Don't despair, ask Sinnstein!"
I would like to thank Mr. Sinnstein very much for his efforts. Despite stepping in at short notice, he acted very professionally and did everything possible for me to achieve the best possible outcome. I can recommend Mr. Sinnstein with a clear conscience. His strong attitude gives you a lot of strength and courage in court.
Super lawyer, you couldn't have imagined a better one! He is definitely to be recommended!
I am very grateful for Mr. Lehnert's support. He advised me perfectly, is extremely knowledgeable and simply knows how to proceed in criminal proceedings. What I particularly appreciate: He always takes his time, works carefully and puts a lot of effort into everything he does. On a personal level, he is pleasant and trustworthy, so he has helped me a lot with his work. Thanks to him, we have achieved our goal - simply a star lawyer!
My son received a penalty order and we went to Mr. Lehnert. He was easy to reach by phone, gave us the feeling of competence and we were not disappointed. I can do without further penalty orders, but now I definitely know who to turn to for really good representation. 💯
Mr. Lehnert gave me friendly, objective and competent advice. From the initial meeting to the settlement: clear explanation of the facts and quick response times. Everything was uncomplicated, fair and unbureaucratic. I can only recommend him. Criminal defense lawyer to 100% great assertiveness in court.
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Vita
Professional career of a specialist lawyer for criminal law with international experience
From studying in Frankfurt to becoming a specialist lawyer in Berlin - a legal career with an international profile.

