Bermudes Advogados has a Brasília-based litigation practice focused on high-stakes matters before Brazil’s superior courts, including the STF and STJ. The team handles disputes across areas including constitutional, administrative, civil, and energy law for clients in the banking, finance, insurance, and infrastructure sectors. The practice is co-led by Guiomar Feitosa Mendes and Guilherme Coelho. Mendes brings over 40 years of experience, representing large companies in public law disputes and drawing on prior experience in senior roles at the Federal Supreme Court, while Coelho focuses on litigation involving public law, energy, insurance, and environmental issues before regulatory agencies and superior courts. Flávio Jardim departed the firm in March 2024, while former co-head André Silveira left in September 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'One of the most renowned litigation firms in Brasilia, with a significant presence in the Superior Courts, representing clients in some of the most complex cases before the Brazilian Judiciary.'
- 'Guiomar Mendes is the leading name at the helm of the firm, responsible for handling its most difficult and politically sensitive cases.'
Key clients
- São Miguel Incorporações e Participações S.A
- Instituto Brasileiro de Petróleo e Gás
Work highlights
Advised Vale on securing injunctions to resume operations at Onça Puma and Sossego.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Guiomar Feitosa Mendes; Guilherme Coelho
Other key lawyers
Leandro Porto; Robson Lapoente