Introduction

In a notable construction technology patent dispute, the Court of Justice of São Paulo issued a definitive ruling rejecting all mutual declaratory motions filed by both parties in Case No. 2250275-32.2023.8.26.0000/50000. The case, closed on March 18, 2024, pitted MIDAS Soluções Construções e Pré-Moldados Ltda against EcoBuilders Construções Ltda in a dispute centering on Brazilian Patent BR102014028653B1, which covers a process and equipment for obtaining concrete structural panels.

The court’s dismissal of the interlocutory appeal — anchored in precedent from AgInt no REsp n. 1.931.587/SP — and its simultaneous rejection of competing declaratory claims from both sides signals a procedurally complex confrontation where neither party secured a decisive legal advantage through this avenue. For patent attorneys, IP professionals, and R&D teams operating in Brazil’s construction and precast concrete sector, this outcome carries meaningful strategic implications worth careful analysis.

Case Overview

The Parties

The Patent at Issue

This case involved Brazilian Patent BR102014028653B1, covering a process and equipment for obtaining concrete structural panels. This type of patent protects both a manufacturing method and the physical apparatus used to execute it, providing dual-layered protection particularly valuable in construction technology. Filed under Brazil’s National Institute of Industrial Property (INPI) framework, the patent represents a specialized innovation in structural concrete panel fabrication.

The dispute involved the process and equipment associated with concrete structural panel production. In Brazil’s expanding construction market, proprietary manufacturing methods for structural panels represent significant competitive advantages, particularly in cost efficiency, scalability, and compliance with civil construction standards.

Litigation Timeline & Procedural History

The case was filed in the Court of Justice of São Paulo under Case No. 2250275-32.2023.8.26.0000/50000, classified under the broader litigation group 50000, suggesting an appellate or special procedural track within the São Paulo state court system.

Key Procedural Milestones

• • Case Filed: 2023 (exact date not available in the record)
• • Case Closed: March 18, 2024
• • Trial Level: Designated as “other,” consistent with an appellate interlocutory review rather than a first-instance trial
• • Interlocutory Appeal: Filed and subsequently dismissed by the court
• • Mutual Declaratory Motions: Both plaintiff and defendant filed declaratory claims, all of which were rejected in the final ruling

The court relied specifically on AgInt no REsp n. 1.931.587/SP (rapporteur Minister Maria Isabel Gallotti, Fourth Panel, DJe of 12/1/2021) as the controlling precedent for dismissing the interlocutory appeal. The case’s resolution within what appears to be a period spanning 2023–2024 suggests a relatively expedient procedural conclusion at this appellate stage, though the underlying merits dispute may continue through other proceedings.

The Verdict & Legal Analysis

Outcome

The Court of Justice of São Paulo delivered a two-part ruling:

1. The interlocutory appeal was dismissed in its entirety, consistent with established STJ (Superior Tribunal de Justiça) precedent.
2. All mutual declaratory motions were rejected — meaning neither MIDAS Soluções nor EcoBuilders obtained the declaratory relief each sought from the court.

No damages award or injunctive relief was granted, as the proceedings concluded on procedural and declaratory grounds rather than a substantive merits determination. The specific monetary value of claims, if any were asserted, was not disclosed in the available record.

Verdict Cause Analysis

The court’s reliance on AgInt no REsp n. 1.931.587/SP is procedurally significant. This STJ precedent, authored by Minister Maria Isabel Gallotti of the Fourth Panel, provides the authoritative basis for dismissing the interlocutory appeal. The Fourth Panel of the STJ holds jurisdiction over private law matters including IP disputes, lending this citation particular weight in Brazilian patent litigation.

The mutual nature of the declaratory motions is analytically notable. When both parties in a patent dispute file competing declaratory claims — each presumably seeking declarations about patent validity, non-infringement, or ownership rights — and both are rejected simultaneously, it often signals one of the following:

• Procedural deficiencies in how the declaratory claims were structured or brought before the court
• Jurisdictional or timing issues that rendered the motions premature or otherwise procedurally improper
• Substantive insufficiency where neither party provided adequate legal or evidentiary grounds to sustain a declaratory finding

The ruling “By Reasons Exposed, Reject each other Declaratory Motions” indicates the court applied consistent reasoning to dismiss both parties’ requests, treating them symmetrically under the applicable legal standard.

Legal Significance

This case illustrates a recurring challenge in Brazilian patent litigation: the intersection of procedural vehicle selection and substantive IP rights. Declaratory judgment actions under Brazilian civil procedure (CPC) serve a specific function — they resolve uncertainty about existing legal relationships. When courts reject such claims from both sides, it may indicate the dispute requires a different procedural pathway, such as a direct infringement action or an INPI administrative challenge, to reach a substantive resolution.

The case also reinforces the binding effect of STJ appellate precedent on state court proceedings involving IP matters, a critical consideration for practitioners structuring patent litigation strategy in Brazil.