The Brazilian Patent and Trademark Office, published on November 3rd 2021, in the Official Bulletin No. 2652, Technical Opinion #43/2021, regarding the interpretation of the provisions of Article 129 § 1º of the Intellectual Property Law (Law nº 9.279/16).

Article 129 of the IP Law establishes the right of precedence in registration and specifically states that “Ownership of a trademark shall be acquired by means of a registration validly issued in conformity with the provisions of this Law, and its exclusive use shall be assured to the owner…” and its paragraph 1 states that “Any person who, in good faith, on the priority date or the filing date of the application, had been using for at least six months in Brazil an identical or similar mark to distinguish or certify identical, similar or related products or services, shall enjoy a right of precedence in registration.”

Technical Opinion #43/2021 was prompted by a consultation proposed by the General Coordination of Appeals and Cases of Nullity Administrative Procedures (CGREC) regarding the possibility of admitting, in the administrative nullity instance, a claim alleging the right of precedence based on the provisions of Article 129, paragraph 1.

Even if this issue had already been examined by the Attorney General's Office and an interpretation had been established that the claim of precedence could exclusively be accepted in oppositions filed against third parties’ applications and could not be claimed through the filing of administrative nullity proceedings against third parties’ registrations, due to the recent decisions of the Superior Court of Justice (STJ), admitting the invocation of the right of precedence, even after the granting of a trademark registration, it has been concluded that, the right of precedence may be challenged administratively constituting grounds for the filing of an administrative nullity proceeding, as established in Article 168 of the Law.
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