Attorneys-at-law
10 SEP Litigators
Brazil
Short self-description
RNA Law is a Brazilian boutique firm specialized in strategic litigation, prosecution, and management of IP rights. The firm has experience representing clients from various fields, such as ICT, Biopharma, Animal Health, Agrochemical, MedTech, Food Tech.
Main practice areas: IP law, regulatory law, contract law, civil litigation, and more.
Industry/technology focus: Mechanical engineering; physics and general engineering; electrical engineering; electronics; information and communication technology; computer software; artificial intelligence and machine learning; blockchain and web3; automotive; green tech and sustainable technologies; optics, optoelectronics and laser technology; food technology (thermodynamics etc. related to food production); material science; chemistry; pharmaceutics; life sciences including biotech; medical devices and e-health.
SEP-related services: Advice on FRAND negotiations for SEP holders; advice on FRAND negotiations for implementers; SEP enforcement; defense against SEP infringement claims; bring revocation claims against SEPs (including EPO opposition, PTAB etc.); SEP prosecution and defense against revocation claims targeting SEPs; bring antitrust-based FRAND claims; defense against antitrust-based FRAND claims; bring contract-based FRAND claims; defense against contract-based FRAND claims; pursuit of antisuit injunctions and interim licenses; defense against antisuit injunction and interim license motions; pursuit of anti-antisuit injunctions; defense against anti-antisuit injunction motions.
Rankings and awards
Chambers, IAM 300, IAM 300 Global Leaders, IAM 1000, Legal 500, IP Stars.
SEP achievements
Defended SEP/FRAND wins on appeal
- G+ v. Samsung (September 13, 2022 – Rio de Janeiro State Court of Appeals, 13th Private Law Chamber – Infringement action, preliminary injunction confirmed by the panel, original decision from 6th Rio de Janeiro Business Court).
Won preliminary SEP injunctions
- G+ v. Samsung (April 06, 2022 – Rio de Janeiro State Court of Appeals – Infringement action, preliminary injunction granted by 6th Rio de Janeiro Business Court).
- WSOU v. ZTE (November 20, 2020 – Rio de Janeiro State Court of Appeals – Infringement action, preliminary injunction granted by 4th Rio de Janeiro Business Court).
Defended against motions for preliminary SEP injunction
- Panasonic v. HMD (August 13, 2025 – Rio de Janeiro State Court – Infringement action, decision declining to assess the PI request prior to a court-appointed expert examination).
- NEC v. HMD (June 27, 2025 – Rio de Janeiro State Court – Infringement action, decision declining to assess the PI request prior to a court-appointed expert examination).
Fended off or defused ASIs/AASIs
- Huawei v. Mediatek (August 22, 2025 – São Paulo State Court – Defended Mediatek in a declaratory judgment of non-infringement action filed by Huawei seeking to stop Mediatek from enforcing 10 Brazilian SEPs, fended off Huawei’s DOJ/ASI attempt and filed interim license and infringement counterclaim).
Litigated FRAND determination claims
- Panasonic v. HMD (December 19, 2025 – Rio de Janeiro State Court – Infringement action, FRAND determination is currently being litigated).
- NEC v. HMD (Rio de Janeiro State Court – Infringement action, FRAND determination is currently being litigated).
Defended SEPs against invalidity contentions (not UPC-related)
- Samsung v. G+ and BRPTO (January 31, 2024 – Rio de Janeiro Federal Court – Invalidity action, court-appointed expert confirmed patent validity).
- ZTE v. WSOU (May 23, 2022 – Rio de Janeiro Federal Court – Invalidity action, BRPTO reaffirmed the patent validity).
Won technical infringement rulings over SEPs
- Samsung v. G+ and BRPTO (January 31, 2024 – Rio de Janeiro Federal Court – Invalidity action, court-appointed expert confirmed patent validity).
- G+ v. Samsung (December 19, 2023 – Rio de Janeiro State Court – Infringement action, court-appointed expert report confirmed the patented invention was incorporated by 4G standard for base stations).
- WSOU v. ZTE (April 14, 2023 – Rio de Janeiro State Court, infringement action – Preliminary injunction granted, first court-appointed expert report ever confirming infringement).
Settlements prior to decisions
- WSOU v. ZTE (October 26, 2023 – Rio de Janeiro State Court – Infringement action).
- ZTE v. WSOU (October 26, 2023 – Rio de Janeiro Federal Court – Invalidity action).