
Practice Areas
At Kasznar Leonardos, we combine technical and legal expertise to turn Intellectual Property into a competitive advantage. Our team is made up of leading specialists—biologists, engineers, pharmacists, chemists, and lawyers—who understand the complexity of your portfolio and anticipate challenges. More than just protecting assets, we craft integrated strategies that drive business growth and create real impact.

We are a leading law firm and pioneer in the history of intellectual property in Brazil. Through data and its own methodology, the KL Index presents the evolution of the Brazilian scenario on this topic in a practical and didactic manner.

Latest News
4 de September de 2026
CONAR Tightens Betting Advertising Rules: New Restrictions on Influencers and Stronger Protections for Minors
On August 27, 2026, the National Council for Advertising Self-Regulation (CONAR) approved, significant updates to the Annex “X” of the Brazilian Advertising … CONAR Tightens Betting Advertising Rules: New Restrictions on Influencers and Stronger Protections for Minors
1 de September de 2026
Brazil Increases the Monthly Fast-Track Examination Limit for Telecommunication Patent Applications, Including PPH
By means of Ordinance 07/2026, published on September 1, 2026, the BPTO has announced an increase in the monthly limit for fast-track examination … Brazil Increases the Monthly Fast-Track Examination Limit for Telecommunication Patent Applications, Including PPH
31 de August de 2026
Brazilian Agency fines tech company BRL 153 Million, raising the bar for digital enforcement
The Brazilian Data Protection Agency (“ANPD”) has imposed a BRL 153.7 million fine on a tech company, primarily for alleged irregularities in the processing … Brazilian Agency fines tech company BRL 153 Million, raising the bar for digital enforcement
Recognition
We are proud to be recognized by the top IP firm rankings in the world, a reflection of the excellence of our work.
CONTACT US
Rio de Janeiro
Rua Professor Álvaro Rodrigues, 352, 14º andar, CEP: 22280-040
+55 (21) 2113-1919
São Paulo
Avenida Nove de Julho, 3.147, 10º andar, CEP: 01407-000
+55 (21) 2113-1919
Media Relations
Communication, Marketing and Press
Juliana Dias
+55 21 2113-1912 / +55 21 99851-5150
juliana.dias@kasznarleonardos.com
Communication, Marketing and Press
Raquel Pacca
+55 21 2113-1870
raquel.pacca@kasznarleonardos.com
Press
Pedro Henrique Sant'Anna
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