About Us

Gico, Hadmann & Dutra Advogados is a business law firm that provides multidisciplinary and creative legal solutions tailored to the needs of Brazilian and international clients. Our lawyers combine strong national and international experience with outstanding academic background, including legal and economic training at Columbia University, Harvard University, University of São Paulo and the University of Brasília.


Gico, Hadmann & Dutra Advogados combines legal experience and business knowledge, characteristics of large law firms, with personalized service and flexibility, characteristics of boutique law firms. This makes Gico, Hadmann & Dutra Advogados an excellent choice for companies seeking legal advice with commitment, pragmatism and innovation.

Who we are

Lawyers with broad experience in Brazil and abroad. Get to know our partners:

What we do

Gico, Hadmann & Dutra Advogados represents private and public sector clients in many areas, including:

Public Law

Advice to public and private entities participating in public tenders and during the execution of government contracts.

Corporate Law

Advice and structuring of mergers, acquisitions, spin-offs, joint ventures, minority investments and corporate reorganizations, both in private and public transactions.

Contracts and Negotiation

Draft, review and negotiation of complex contracts, risk analysis and prevention of judicial disputes.


Negotiation with labor unions and employers, drafting and reviewing employment contracts, work visas to foreigners, labor planning to avoid liabilities and representation before Brazilian Courts.


Advice and planning, as well as representing clients in administrative and judicial litigation in federal, state or municipal matters.

Litigation and Arbitration

Representing clients in Courts and Arbitration Panels in cases related to contracts, mergers, acquisitions, trade law, commercial disputes, real estate, intellectual property and anticompetitive conduct.

Consumer Relations

Preventive counseling and representation of companies before Brazilian Courts and Consumer Agencies.

Antitrust and Regulations

Preventive counseling and representation before the Administrative Council for Economic Defense (CADE) and regulatory agencies in various economic sectors.

Unfair Competition

Advice and representation before Brazilian Courts in matters related to misleading advertising, ambush marketing, infringement of trademarks, patents and trade secrets and unfair competition conducts.

Intellectual Property

Advice and representation before Brazilian Courts in matters related to the enforcement of copyright and industrial property rights.

Government Relations

Monitoring and analysis of government policies and draft of legislation and regulation.


Stay up to date with our news, case law briefings and insights

GHD ranked by Leaders League

Captura de Tela 2018-11-05 às 20.25.00

GHD Advogados has been ranked among the best brazilian law firms in the antitrust investigations category of international publication Leaders League. For the full report, see

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Who’s Who Legal ranks partner Eric Hadmann


Partner Eric Hadmann Jasper has been ranked once again by Who's Who Legal, from publication Global Competition Review, as a future leader in the competition and antitrust category. For more information, please see

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SHS Quadra 6, Conjunto A, Bloco E, Salas 415/416
Ed. Brasil 21, CEP 70.316-000, Brasília – DF


+55 (61) 3034-8568

Join our team

Our firm serves demanding clients. Big or small, commercial or institutional, they all require excellent assistance in all kinds of matters.

A career at Gico, Hadmann & Dutra Advogados guarantees one thing: you will never be bored. We have busy, sometimes long, working days. But you will face interesting legal questions and always work with a motivated team.

If you would like to join our team, send us your CV at: brasilia@ghdadvogados.com.br  We will be happy to look at it.

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