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Diego Vieira, Partner with Guerra IP, currently leads the trademark practice and is responsible for the accounts of major Brazilian and foreign clients doing business in different fields of activity such as the pharmaceutical industry, banking, oil & gas, wholesale and retail sector, among others. Heavily involved in the process—from clearance of trademarks, through prosecution up to enforcement—Mr. Vieira also focuses on trade names, domain names, unfair competition, patent infringement and contracts.
An active member of both ABPI and INTA, Mr. Vieira brings to Guerra IP extensive experience in intellectual property with a specialization in litigation and portfolio management, domain names, unfair competition, piracy, copyrights, contracts, and software affairs.
Mr. Vieira is also a member of The Trademark Lawyer’s editorial board.
In 2014, Mr. Vieira earned the ILO Client Choice Award for Intellectual Property: Patents.
Many companies – domestic and international – have transferred portfolios here, thanks to the excellent work and “outstanding overall level of service” of Diego Vieira: “He has a keen ability to listen to his clients and he makes you feel like a member of the team. When important matters arise, he is a go-to lawyer; he prepares the best strategic approaches towards the protection of trademark portfolios and represents huge bang for your buck.” - WTR 1000 2016
“I have known and worked with Diego Vieria for many years now while working alongside him as U.S. outside counsel in private practice and as an in-house trademark attorney for a Fortune 4 Leading Energy Company. Guerra Law always provides consistent, sound advice with a watchful eye focused on budget and costs from a practical perspective. The most important aspect of my relationship with Guerra Law and its lawyers is trust. As a result of that trust and my confidence in the firm’s abilities, I can rest easy knowing that our portfolio and most important contentious trademark matters in Brazil will be well handled.” – Craig Stone, Senior Counsel - Trademarks, Copyrights and Intellectual Property at Phillips 66, - Houston, TX, USA
“Guerra Law is the “go to” IP law firm in Brazil. They’re reasonably priced, very responsive, and have a solid track record. We highly recommend them.” – Jim Scotti, Vice President & Associate General Counsel, Skechers,
“I am very pleased with the work Guerra Law has done on behalf of our company in Brazil. Diego and his team are quick to respond to inquiries and offer competitive prices for their representation. I feel confident that they have our best legal interests in mind and appreciate when they go out of their way to help protect our brands.” – Jessica Rosenthal, Trademark Administrator, John Wiley & Sons, Inc., NJ, USA
“Guerra Law provides not just legal opinions, but practical, business-focused advice that helps my clients assess risks in a complex environment. Guerra provides fast, low-cost service.” – Chris Schneider, Senior Counsel, Newell Rubbermaid Inc., USA
“Working with Guerra Law has been a wonderfully smooth and efficient experience. Their attorneys are very knowledgeable and up to speed on local laws and regulations and changes related to the same. I have personally worked with Diego Vieira for many years and chose to keep my work with him as he moved to Guerra Law. I have not been disappointed. Their fees are reasonable and he is quick to advise when something is not necessary or not efficient from a budget prospective. I have trust and confidence in the Firm’s abilities.” – Sara Hoverstock, Associate General Counsel Global Intellectual Property, Crocs, Inc., Colorado, USA
Universidade Cândido Mendes, J.D.
Pontifícia Universidade Católica of Rio de Janeiro, (Post Graduate) Intellectual Property
IBMEC Busines School, (Post Graduate) Business Administration
INTA , ABPI
WTR 1000 (Silver)
Client Choice Awards - IP Patents (2014)
MIP IP Star
Copyrights, Advertising, And Ecommerce
Trade-dress in Brazil, The Trademark Lawyer (February, 2014)