Grew up in West Germany and The Hague, Netherlands. Law Degree of Kiel University. English Law Course at the University of Guildford, Surrey, England. Doctor of Laws in 1999 with summa cum laude honors. (Doctoral thesis: The German Civil Code in Common Law Perspective, a study in comparative law.) Postgraduate judicial traineeship in Berlin. Admission to the bar in 2001. Certified Specialist for IP law since 2007, and for IT law since 2012. Associate lawyer in a major national law firm of intellectual property lawyers and patent attorneys for six years.

Dr. Dittmann provides comprehensive legal advice to companies in the software, security, games, online retail, technology and media sectors, with a particular focus on competition law (UWG), copyright and industrial property rights, design protection, know-how protection, trademark law, design and patent law, and licensing. This includes court proceedings (litigation) as well as out-of-court advice and representation (warning letters and prosecution of infringements) and contract drafting (in particular licence agreements, know-how licences, research and development agreements (R&D), project development, general terms and conditions, EULA, NDA, also in English).

His clients include German and international technology and trading companies, particularly from the United Kingdom, the United States and China, a well-known international security service and logistics provider, importers and distributors of vehicle parts and electronic products.

Dr. Dittmann is a Member of the Intellectual Property Law Specialist Committee of the Berlin Bar (Fachanwaltsausschuss für gewerblichen Rechtsschutz der Rechtsanwaltskammer Berlin).

Dr. Dittmann is recommended by Best Lawyers/Handelsblatt as one of the Best Lawyers Germany IT Law (2021, 2022).