Knowledge and experience

Murta Goyanes is an intellectual property law firm relying on partners with over 30 years of experience and a team of recognized credibility. Learn more about us.

  • "The entire team demonstrates great knowledge on national and international IP laws.”

    IAM Patent 1000 - 2024
  • "Antonio Murta Filho, Marcelo Goyanes and Luiza Duarte Pereira are at the forefront of the practice, “seeking to improve their knowledge and always proposing new solutions to the client’s business”.

    IAM Patent 1000 - 2024
  • Antonio Murta Filho is an all-round IP connoisseur with more than 30 years of diverse experience in the field. He defends clients’ technologies through expertly organised infringement lawsuits, which he defends at the judicial level

    IAM Patent 1000 - 2024
  • Luiza Duarte Pereira is “admired for her capability to respond to office actions related to substantive examination. Her work is of a very high quality and the procedures are carried out within the established deadlines.”

    IAM Patent 1000 - 2024
  • The firm’s international clientele relies on the immaculate patent drafting capabilities of Vinícius Casciano: he takes on entire patent portfolios to encourage growth for brands within the Brazilian market.

    IAM Patent 1000 - 2024
  • Marcelo Goyanes "é citado, também, como tendo um conhecimento excepcional na área de Mídia e Entretenimento e “especialista em diversos processos, especialmente os que envolvem plataformas de streaming."

    Chambers Brazil: Industries & Sectores 2024
  • Beatriz Paci is mentioned as an associated to watch and up-and-coming professional, recognized as a lawyer capable of handling "a high volume of cases for big players in the market”.

    Chambers Brazil: Industries & Sectores 2024
  • Murta Goyanes is one of the top IP firms in Brazil. They deliver work of the highest technical quality. They are very prompt in their responses and provide regular follow-ups. Their advice is professional, sensible, fast and reliable, and always considers the client’s interests first. They are top tier and do excellent work; there isn’t a word to be said against them.”

    WTR 1000 2024
  • “Antonio Murta Filho excels at tactical prosecution and opposition work. He provides an incredibly efficient service that is customer oriented. Antonio is highly knowledgeable and obviously passionate about IP. Clients appreciate that he puts himself at the forefront of legal developments.”

    WTR 1000 2024
  • “Marcelo is very responsive and always delivers commercially salient, business-critical advice. He can be relied on for the most fraught and tricky matters.”

    WTR 1000 2024
  • “Partner Luiza Duarte Pereira is one of the most accomplished attorneys we work with. She is an expert in IP law and can be trusted for any client. She has extensive experience in assisting domestic and foreign patrons in connection with intellectual property prosecution, transactions and legal advice. She is always very reliable and provides specific and accurate legal advice for the client. She is responsive and invariably client-centric in her advice. It is very enjoyable working with her.”

    WTR 1000 2024
  • “Danielle Gonçalves provides super-smart and experience-based trademark prosecution and enforcement assistance. She builds long-lasting relationships with her following, enabling her to deliver valuable, company-specific commercial advice.”

    WTR 1000 2024
  • "Antonio Murta is an established IP practitioner with a good reputation for representing domestic and international clients in trade mark litigations, and major seizures of counterfeit goods."

    Chambers Global 2023
  • "Antonio Murta appreciates the complexities of trade mark law, whilst at the same time seeking pragmatic and commercial solutions at a reasonable cost to the client."

    Chambers Global 2023
  • "Marcelo Goyanes has experience within the IP arena, and is particularly commended for his activity with copyright and trade mark matters, both in litigation and in consultancy work."

    Chambers Global 2023
  • "Marcelo Goyanes is very skilled, with many years of experience. He instils confidence and finds practical solutions for our problems."

    Chambers Global 2023
  • "The firm has a very high level of service, with constant follow-up on topics and direct involvement of the partners in the execution of the work."

    The Legal 500 - 2023
  • "Antonio Murta and Luiza Duarte are clearly well versed in trade mark law on an international basis, and in handling worldwide trade mark portfolios for major Brazilian brands owners. They appreciate the complexities of trade mark law, whilst at the same time seeking pragmatic and commercial solutions at a reasonable cost to the client."

    The Legal 500 - 2023
  • "Incredibly efficient. Attention to detail is second to none, and the individuals at the firm are at the forefront of legal knowledge."

    The Legal 500 - 2023
  • "Luiza Duarte is incredibly easy to deal with and practical in her advice. Complex situations have been dealt with efficiently and with excellent practical advice. Clearly very knowledgeable and works to the highest standards in our view.'

    The Legal 500 - 2022
  • "Exceptional knowledge. Great business acumen always focused on clients’ interest and desired outcome. Very collaborative, amicable when needed and with a deep understanding of the law and clients’ business/business needs."

    The Legal 500 - 2022
  • "Team attentive to the evolution of the legal system and involved in the discussions that take place. Marcelo Goyanes serves us directly and with great efficiency."

    The Legal 500 - 2022
  • "Marcelo Goyanes is “recommended for his audio-visuals work” and is very knowledgeable about trademarks in the media and entertainment sector."

    WWL 2021
  • "Antonio Murta Filho is appreciated by commentators for his “eye for detail” and his “strong analytical skills paired with a practical approach to matters.”

    WWL 2021
  • "Marcelo Goyanes is an “excellent” practitioner who has extensive expertise in media and entertainment matters."

    WWL 2021
  • "Luiza Duarte Pereira is “extremely organised, focused, professional, capable, available and has a sophisticated background when it comes to IP matters”.

    WWL 2021
  • "Marcelo Goyanes is lauded by peers for his “exceptionally strong IP and trademark skills” and “always provides superbly technical and complete legal opinions”.

    WWL 2021

Meet our team

Meet our interdisciplinary team of professionals. Together we protect the most important assets of our clients: their industrial, commercial and artistic creations.

Latest publications

The number of requests for entry into PPH program reached its limit for 2024
The Brazilian Patent and Trademark Office (BPTO) announced on July 16 that the limit of 800 requests for participation per annual cycle (...)
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The BPTO adheres to the Global Patent Prosecution Highway Program
As part of the Action Plan of the National Intellectual Property Strategy for 2023-2025, the Brazilian Patent and Trademark Office ( (...)
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