COULON, DRESCH e MASINA Advogados is the result of the union of three experienced and qualified professionals in several areas of Law. Filled with the professional experience and academic training of its founders, the office’s mission is to provide high quality legal services in a fast and efficient way.

The partner’s recognized technical excellence and the commitment to keep them personally linked to the coordination of each project makes Coulon, Dresch e Masina Advogados a unique legal boutique in the Brazilian South Region Market.


To provide high quality legal services, offering solutions that contribute to the improvement of our clients’ business environment.


To be a reference in the legal segments in which we operate, being an office which is recognized for its excellence, ethics, agility and commitment to the result of the services it provides.


Excellence: To provide high quality legal services which exceed the client’s expectations.

Ethics: To always act ethically to meet the client’s needs.

Agility: To offer legal solutions in the appropriate time to satisfy the client’s needs.

Commitment: Partner’s full dedication with each project the office operates.

Practice Areas

Negotiation, elaboration and review of civil and commercial contracts, as well as conflicts resolutions arising from business relations.

Legal opinions and representation of suits that deal with the clients’ civil liability or that are promoted by them, involving contractual or non-contractual matter, as well as any type of damages, whether pecuniary or non-pecuniary.

Analysis of competitive risks, legal opinions and administrative and judicial defenses involving issues of unfair competition and antitrust law.

Elaboration and alteration of charters (articles of association or articles of incorporation) and other corporate acts and agreements, planning of corporate structures for consolidated companies and startups, implementation of corporate governance instruments and compliance programs, merger and acquisition advisory and conflict resolutions and litigation involving companies.

Representation in administrative and judicial authorities involving conflicts derived from consumer relations, legal opinions and advice on consumer law issues.

Drafting, revision and alteration of arbitration clauses, discussions before arbitration chambers, mediation or conciliation proceedings.

Business crisis assistance, credit authorization, filing and / or follow-up of bankruptcy proceedings and judicial or extrajudicial reorganization.

Extrajudicial and judicial claims assistance in industrial property and copyrights.

Elaboração de pareceres e defesas administrativas ou judiciais relativas a quaisquer tributos, bem como ingresso de ações de repetição de indébito e elaboração de consultas.

Advice on implementation and compliance with the General Data Protection Law (Brazilian LGPD), Brazilian Civil Rights Framework for the Internet (in Portuguese: Marco Civil da Internet, officially Law No 12.965) and special legislation. Legal Consultancy on topics related to electronic commerce, Start-ups and information security. Expertise in litigation arising from digital relations and the general regulation of data protection.

Team Members

Coulon Dresch Masina Advogados
Fabiano Koff Coulon

Advisor and civil and commercial litigation expert since 1995, advising national and foreign companies in the areas of energy, agribusiness, telecommunications, entertainment, construction, food production, real estate, education, pharmaceuticals and banking, among others. Legal Board Member of RBS Group and former partner in two large law firms in RS. Professor in the Undergraduate and Graduate Courses of the University of Vale do Rio dos Sinos (UNISINOS). Master and PhD in Law from the Federal University of Rio Grande do Sul (UFRGS).
Coulon Dresch Masina Advogados
Rafael de Freitas Valle Dresch

Advisor and civil and commercial litigation expert since 1998. Experience in litigation concerning contracts, partnerships and intellectual property, as well as in drafting contracts, providing opinions and conducting complex legal negotiations. Currently, his projects focus on commercial contracts, civil liability, consumer law, competition law and intellectual property. Professor at the Law School of the Federal University of Rio Grande do Sul (UFRGS), Federal School of Magistracy (ESMAFE-RS) and several graduate courses. Master’s degree in Private Law from UFRGS and a PhD in Law from the Pontifical Catholic University of Rio Grande do Sul (PUCRS). Doctoral internship from CAPES at the University of Edinburgh (UK). Postdoctoral degree in Antitrust Law from the University of Illinois at Urbana -Champaign (USA). Member of the Brazilian Arbitration Committee (CBAr).
Coulon Dresch Masina Advogados
Gustavo Masina

Advisor and tax law expert since 1997, with emphasis on the preparation of legal opinions and the presentation of administrative and judicial defenses before the most varied authorities (municipal, state and federal). Wide experience as a manager for a Regional Litigation Department at a traditional business law office in RS and Tax Senior Manager at EY (Ernst & Young) for four years. Master and PhD in Tax Law from the Federal University of Rio Grande do Sul (UFRGS). Professor at Fundação Escola Superior do Ministério Público FMP and the Graduation Courses of PUC-RS, UNISINOS, FBT and IBET.
Coulon Dresch Masina Advogados
Julia Czarnobai Delazeri

Working especially in advisory and civil-business litigation and tax litigation since 2016, providing services and legal advice to companies of varied sizes and sectors (such as Food, Transport and Technology, for example). Experience in drafting Commercial Contracts and Legal Opinions, also with a recurring participation in litigation related to Civil Liability and Consumer Law. Specialist in Tax Law from the Centro Universitário Ritter dos Reis (UniRitter) and in Corporate Law from Fundação do Ministério Público (FMP). Additional courses in Corporate Law focused on Business Management and Arbitration, areas in which she deepened her knowledge and in which she is also interested. Her articles are published in national business and tax law magazines.
Coulon Dresch Masina Advogados
Camila Nienow

Working in advisory and civil-business litigation since 2017, having advised companies in the sectors of Civil Construction, Agribusiness, Graphic Industry, among others, with special emphasis in the areas of Civil Liability, Consumer Law, in addition to drafting Commercial Contracts. Areas of interest also include Intellectual Property Law and Business Arbitration. Coached the Arbitration Team at the University of Vale do Rio dos Sinos (UNISINOS), with participation and awards in national and international legal competitions. Holds a law degree from the University of Vale do Rio do Sinos, having completed further training at the University of Coimbra, in Portugal, through a scholarship in the Program Santander Íbero-Americanas.


Coulon Dresch Masina Advogados

Fabiano Koff Coulon

(Oikos, domus and polis: The relationship between the public and the private. GZ Editora (2013). Book chapter).

(Criteria for the quantification of non-pecuniary damages adopted by Brazilian courts and economic analysis of the law. Livraria do Advogado (2008). Book chapter).

Rafael de Freitas Valle Dresch - Coulon Dresch Masina Advogados

Rafael de Freitas Valle Dresch

(Foundations of Private Law: A Theory of Justice and Human Dignity. Editora Atlas S.A. (2013)

(Foundations of Product and Service Liability: A legal-philosophical debate between formalism and functionalism in Private Law. Livraria do Advogado Editora (2009)

Gustavo Masina - Coulon Dresch Masina Advogados

Gustavo Masina

Tax Sanctions: Definition and Limits. São Paulo: Malheiros. 2016

ISSQN: Competency Rule and Tax Conflicts. Porto Alegre: Livraria do Advogado. 2008

follow us

Visit Us

Terms of Use

Objective and Content: The website of Coulon, Dresch and Masina Advogados (cdm.adv.br) has the sole purpose of providing institutional information about the firm and its members. No part of the content made available through this website, including institutional newsletters and articles written by members of the firm, should be interpreted as advice or legal opinion. Legal advice should be obtained from our lawyers.

Copyright: All materials displayed on this website are protected by Intellectual Property laws and cannot be reproduced and / or distributed without the express authorization of Coulon, Dresch and Masina Advogados.

Third Party Information: Coulon, Dresch and Masina Advogados is not responsible for information published on external links contained on this website. Likewise, the office cannot guarantee the accuracy of information related to seminars and other events organized by third parties.


Logotipo - Coulon Dresch Masina Advogados
All rights reserved © 2023
Designed by Square Design Studio © 2008 - 2023