Markus Sittig
Lawyer
Specialist lawyer for criminal law
Specialist lawyer for IT law
Mr. Sittig specializes in complex cases in criminal law and IT law. As a certified specialist in criminal law and IT law, he combines many years of experience with particular expertise at the intersections of technology, business, and criminal defense. Furthermore, he has been active in the continuing education of certified specialists for many years.
VITA
- Since 2008 – Attorney-at-law
- Since 2012 – Specialist Lawyer for IT Law
- Since 2013 – Specialist lawyer for criminal law
- 2016 – Successful completion of the specialist lawyer course for copyright and media law
In criminal law, Mr. Attorney Sittig specializes mainly in criminal appeals and constitutional complaints.
In criminal defense, he specializes in economic criminal law and medical criminal law. Due to his specialization as a lawyer in IT law, Mr. Sittig regularly handles IT criminal cases and proceedings with IT forensic connections. These typically involve cases related to cryptocurrencies and/or the dark web, as well as proceedings concerning child pornography and/or juvenile pornography. Furthermore, Mr. Sittig has many years of experience in the field of organized crime and defense in drug-related cases.
In IT law, Mr. Sittig, attorney-at-law, works for both software providers and users, meaning companies that implement or use software within their organization.
He designs and negotiates contracts and general terms and conditions for software and other IT services, including those involving data protection concerns. For software providers, Mr. Lawyer Sittig also works extensively in the area of compliance. For software users, he also provides long-term support for complex software and hardware projects. In addition, he also represents companies in domain law and competition law.
In general, Attorney Sittig's focus is on complex cases that are demanding both factually and legally.
Publications
of Trojans
Consideration in private and criminal law?
Referral services
Criminal law
- Criminal Law & Criminal Procedure Law | Hessian University for Public Administration (HfPV) | Summer Semester 2014 to Summer Semester 2015
- Criminal Defense Using the Harvard Concept | Schwetzingen Criminal Law Days 2017
- Darknet & Bitcoins | Schwetzingen Criminal Law Days 2018
- Asset Forfeiture in Criminal Law | Schwetzingen Criminal Law Days 2020
- Extralegal Consequences of Criminal Proceedings | Schwetzingen Criminal Law Days 2021
- Methodology and Law of Criminal Defense | Specialist Lawyer Training Course Criminal Law SiS – Seminare im Schloss | since 2020
- Defense in Criminal Investigations | Specialist Lawyer Training Criminal Law SiS – Seminars in the Castle | since 2020
- The Law of Intermediaries – *de lege lata* and *de lege ferenda* | Schwetzingen Criminal Law Days 2024
- Tactics in Criminal Proceedings | Novus Seminars Hamburg | 2024
- Revision in criminal proceedings | Novus Seminare Hamburg | 2024
- Successful in the Appellate Instance | Schwetzingen Criminal Law Conference | 2025
- Internal Investigations | Schwetzingen Criminal Law Days | 2026
IT law
- Admissibility of evidence prohibitions due to violations of data protection regulations | Schwetzingen Information Law Days 2014
- Criminal Liability for the Use of Trojans – with a Demonstration of Practical Examples | Schwetzingen Information Law Days 2015
- Cryptocurrencies, Blockchain, and Smart Contracts | Schwetzinger Information Law Days 2016, Schwetzinger Capital Markets Law Days 2017
- Criminal Law in IT Law Practice | Schwetzingen Information Law Days 2017
Copyright and Media Law
- Art. 17 of EU Directive 2019/790 of 17 April 2019 on copyright and related rights in the digital single market | Discourse event of the Kunsthochschule Kassel 2019
Memberships
- German Lawyers Association (DAV)
- Working Group on Criminal Law of the German Bar Association
- Working Group on IT Law of the German Bar Association (davit)
- Association for Economic Criminal Law.
- German Defense Lawyers Association.
- Hamburg Lawyers Association e. V.
Partner in Crime
Tamara-Sero Tuncel
2024 - Certified data protection officer (TÜV NORD)
VITA
- 2024 - Student Business Law
Tamara-Sero Tuncel is studying business law at the University of Kassel. She has been with SITTIG LAW since 2022 and heads the firm's back office. She is also primarily responsible for data protection and IT law issues.
German 
English