Joana de Mattos Siqueira is a partner and a member of the firm’s Trademarks team. With more than 20 years of experience practicing Intellectual Property law, her work encompasses all aspects of trademark protection before the Brazilian Patent and Trademark Office (INPI), including prosecution, oppositions, and other administrative proceedings. She also provides strategic advice on complex trademark matters, with a focus on risk mitigation and, whenever possible, avoiding litigation.

Joana is responsible for managing trademark portfolios for major international companies and is actively involved in leading global IP organizations such as INTA, ASIPI, and ECTA. She currently serves on INTA’s Leadership Committee and Nominating Committee, is an INTA Ambassador, and is a former Board Member of the INTA Foundation. She also served as National Delegate of ASIPI (Inter-American Association of Intellectual Property) from 2021 to 2025, is a member of the Women in Law Mentoring Association, and sits on the Professional Affairs Committee of ECTA (European Communities Association).

She is one of the Chairs of the Diversity and Inclusion Committee of ABPI (Brazilian Association of Intellectual Property) and a member of the Association’s Council. Joana is also frequently involved in the organization of intellectual property events in Brazil and abroad.

In addition, Joana has a longstanding and consistent commitment to pro bono work and social responsibility initiatives. For more than eight years, she served as Vice Chair of ASIPI’s Social Responsibility Committee, leading social impact projects in different countries, and for four years she was a member of INTA’s Pro Bono Committee. Within Montaury Pimenta, she is a member of the firm’s Executive Committee, leads the Diversity and Inclusion Committee, and coordinates the firm’s mentoring program, Incluir Direito, developed in partnership with CESA (Law Firms’ Research Center). She is also a member of WLM (Women in Law Mentoring).

Joana is a member of WIPLA (Women’s Intellectual Property Lawyers Association) and was recognized as one of the most influential women in IP by World IP Review in 2020, as well as a Diversity Champion in IP in 2022 by the same publication. She regularly participates in international initiatives focused on women in intellectual property, including events such as the MIP International Women’s Leadership Forum.

She has been consistently recognized as a leading trademark practitioner in Brazil and internationally by renowned legal directories, including WTR 1000, Leaders League, and IP Stars.

Academic Background

• LLM at the John Marshall Law School, Chicago, USA, in 2005 – Focus on in International Trademark Law.
• Postgraduate degree in Intellectual Property from the Catholic University of Rio de Janeiro (PUC/RJ) in 2000.
• Law Degree from the Catholic University of Rio de Janeiro (PUC/RJ) in 1999.
• Course on Diversity and Inclusion in Organizational Practice, (IAG) PUC-Rio Business School, 2022.

Professional Experience

• Practicing IP Law since 1997.
• Member of INTA Membership Committee 2008/2009.
• Member of INTA Law firm Committee (2010/2013).
• Member of INTA Pro Bono Committee (2014/2017).
• Vice Chair of Asipi Social Action Committee – 2013/2015.
• Speaker at several IP Conferences.
• Vice Chair of ASIPI
• Speaker at ASIPI seminar held in Antigua, Guatemala in March 2012.
• Co-organizer and moderator of two INTA round tables held in Rio de Janeiro in 2012 and 2013.
• Chairman of the ASIPI Trademark Committee - 2018 - 2021.
• Member of Intellectual Property Owners Association’s (IPO) Diversity & Inclusion Committee – 2020/2021.
• Board member of the INTA Foundation.
• ASIPI – Chair of the Sustainability Committee.

Publications

• "ASIPI 2019: A perfect protocol?", World Intellectual Property Review (coauthor), October 2019.
• "Diversity and Inclusion: A Perspective from a Brazilian IP Law Firm", Lexology, August 2020.
• “Women in IP leadership: An interview: inspirations, experiences, and ideas for equality”, Trademark Lawyer Annual 2021, December 2020.
• “Diversity and inclusion: what success looks like in the trademark environment”, World Trademark Review, 2020 and Lexology Webinar, 2021.
• "INPI deverá autorizar registros de marcas de posição", Valor Econômico, September 2021.
• "Brazil is one step closer to recognising and regulating registration of position marks", ILO (International Law Office), September 2021.
• "Brasil a um passo de reconhecer e regulamentar o registro de Marcas de Posição", Estadão, September 2021.
• "Two Brazilian Companies Exemplify Value of CSR and ESG Activities", INTA Bulletin, November 2021.
• "2021 highlights in Brazil: trademarks", ILO (International Law Office), January 2022.
• "Salud mental en el ámbito laboral", Revista Marcasur, December 2022.
• "Cai percentual de magistradas no Judiciário", Valor Econômico, March 2023.
• "La INTA Foundation, presente en Singapur 2023", MarcaSur, May 2023.
• "Lego is recognized as a highly reputed mark in Brazil", Lexology, December 2023.
• "Participação de mulheres na magistratura varia entre 35% e 46% há vinte anos", Valor Econômico, March 2024.
• "A importância da presença feminina na advocacia", Âmbito Jurídico portal, March 2024.
• "Claming belonging: strategies for managing imposter syndrome in the legal profession", INTA - International Trademark Association, August 2024.

Professional Acknowledgements

• Recognized by several international publications, such as "WTR1000", "Leaders League" and "IP Stars" as among the best lawyers in Brazil.

What our clientes are saying:
“very cooperative and always focused on finding the best solution for the client”