IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 26 March 2026)

Date	26 March 2026
Court	CFI
Division	Paris (FR) Central Division - Seat
Type of action	Revocation Action
Case number(s)	UPC_CFI_104/2025
Registry reference	UPC-CFI-104/2025
Parties	IMI Hydronic Engineering Deutschland GmbH v. Belparts Group N.V.

Summary pending review. Official UPC registry metadata imported on 24 September 2026.

Official decision (PDF) · UPC registry entry

Case timeline

18 December 2025 : IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 18 December 2025) UPC_CFI_104/2025and · UPC_CFI_364/2025

Dhenne Avocats represents claimants and defendants in European patent disputes before the Unified Patent Court, including the Paris divisions.

Contact the firm

English summary awaiting review. Read the French case note.

Source and translations

Official source: Unified Patent Court registry link recorded in the record
Original language: not recorded
Translation available: no translation recorded the firm’s French record is a summary, not a translation
Date checked: not recorded

Only the official text is authoritative. A machine translation is never presented as official, republishing a third-party document requires a verified basis in rights, and a link to the source is preferred.

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Proceedings, related decisions, appeals, parties and patents as recorded in the registry and in the Dhenne Avocats corpus. Each link states its source.

Proceedings

UPC_CFI_104/2025 official number

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Parties

claimantIMI Hydronic Engineering Deutschland GmbH3 decisions in the corpus Follow this party
defendantBelparts Group N.V.7 decisions in the corpus Follow this party

Exact name as it appears in the record, group affiliation only where sourced and dated.

Decisions in the same proceedings and documented appeals

18 December 2025 IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 18 December 2025) Counterclaim for revocation · UPC_CFI_104/2025
La demande de garantie des frais de 500 000 euros est rejetée, le demandeur ne s'appuyant que sur des données Northdata non étayées face aux pièces financières produites par le titulaire établi en Belgique.
26 March 2026 IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 26 March 2026) Revocation Action · UPC_CFI_104/2025

What the record states

Nature of the act: Revocation Action
Outcome (Dhenne Avocats summary): Le désistement de l'action en nullité et de la demande reconventionnelle en contrefaçon est autorisé et l'instance déclarée close, sans décision sur les frais.
Appeal: No appeal documented in the corpus, this does not mean that no appeal was lodged.
Instance: First-instance decision, whether it has become final is not recorded.

Patents mentioned

EP 3 812 870 mentioned in: Dhenne Avocats analysis Follow this patent

Related decisions cited in the analyses

IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 18 December 2025) cited in this record
IMI Hydronic Engineering Deuts v Belparts Group (CFI, 26 March 2026) cites this decision

Scope: Dhenne Avocats corpus. Registry-based links are marked “official number”; links derived from the analyses are marked as such. An erroneous link can be withdrawn without deleting any record.

Patents and standards

Publication	Role in the dispute	Family	Standard and declaration	Pool	Sources
`EP 3 812 870`	Mentioned in the analysis (role not qualified) Also mentioned in 4 other decision(s): IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 18 Decembe · IMI Hydronic Engineering Deutschland v Belparts Group (CFI, 3 November · Belparts Group v IMI Hydronic International (CFI, 4 September 2025) · Belparts Group v IMI Hydronic International (CFI, 15 May 2025)	not recorded	not recorded	not recorded	Espacenet links not checked mentioned in: Dhenne Avocats analysis

The statuses “asserted in litigation”, “declared essential”, “listed by a pool” and “essentiality examined by a court” are distinct and may coexist. Validity, infringement and technical essentiality are different questions. Scope: patents cited in the decisions of the Dhenne Avocats corpus, with no essentiality score or prediction.

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