Dr Ingve Björn Stjerna is an attorney-at-law and a Certified Specialist for Intellectual Property Law (“Fachanwalt für gewerblichen Rechtsschutz”).


He specializes in Intellectual Property Law, in particular in Patent and Utility Model Law as well as in the associated areas of law, especially those relating to copyrights and unfair competition.

Further main areas of his practice are the protection of reputation (e. g. Press Law) and Freedom of Information Law as well as the implications from Constitutional Law for all the aforementioned legal fields.

Dr Stjerna has repeatedly represented constitutional complaints before the German Federal Constitutional Court (“BVerfG”). In response to his constitutional complaint, the BVerfG declared null and void the German ratification of the international Agreement on a Unified Patent Court in March 2020, for the first time granting the citizen a judicially enforceable right to “formal control” in respect of the transfer of sovereignty rights (docket no. 2 BvR 739/17, cf. also here).

Advice and Representation

In Intellectual Property and Copyright Law, he advises on inventions, knowhow and copyrighted works, from contentious proceedings to the negotiation of license agreements and technology transactions, in particular on all aspects of legal enforcement as well as defense against infringement allegations and provides representation in court.

Dr Stjerna advises on all aspects of the protection of reputation, representing private individuals as well as companies in the enforcement of their rights.

In Freedom of Information Law, he advises on access to official information based on Federal and State freedom of information legislation and represents clients before the authorities and in court.

The range of legal advice is completed by a comprehensive expertise in Constitutional Law, including proceedings before the constitutional courts.

A comprehensive expertise in constitutional law, which also includes the use of constitutional court proceedings, completes the range of legal advice offered.