
Chambers Brazil Contentious 2026
Dannemann Siemsen is the leader in Intellectual Property: Patents, Trademarks, Copyright and Trade Secrets.
Other areas

We have a team of professionals that are highly specialised in regulatory law, working in particular in the areas of health, mining, telecommunications, oil and gas, biotechnology, chemical and biological pesticides, and infrastructure in general.
Our professionals also operate strongly in the areas of biotechnology related to agribusiness, offering legal advice for the registration, release and marketing of genetically modified organisms, plant varieties, and chemical and biological pesticides, as well as access to genetic resources; guidance and legal advice in proceedings at the National Technical Biosafety Commission (CTNBio), the Ministry of Agriculture, Livestock and Supply - MAPA, the National Health Surveillance Agency – ANVISA and the Brazilian Institute of the Environment and Renewable Natural Resources – IBAMA, as well as consultancy on obtaining certificates, licenses and other authorisations.
Our team also offers the following services:

Dannemann Siemsen is the leader in Intellectual Property: Patents, Trademarks, Copyright and Trade Secrets.

Ivan analyzes the ongoing discussions within the World Intellectual Property Organization’s Working Group regarding potential changes to the rules of the Patent Cooperation Treaty (PCT), particularly with regard to the requirement for local counsel during the national phase of patent applications.

Dannemann Siemsen is the leader in Intellectual Property: Patents, Trademarks, Copyright and Trade Secrets.