Home » UPC decisions » Luxembourg Court of Appeal » CoA, November 25, 2025, Decision on competence of the divisions, amendments of the patent, added matter, novelty, inventive step, scope of protection, permanent injunctions, interim award of costs, UPC_CoA_464/2024 etc.

CoA, November 25, 2025, Decision on competence of the divisions, amendments of the patent, added matter, novelty, inventive step, scope of protection, permanent injunctions, interim award of costs, UPC_CoA_464/2024 etc.

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Key takeaways

A revocation action by a claimant company is not barred by a pending infringement action against its parent and another subsidiary, as they are not identical parties. An exception for res judicata effect did not apply here.

Aligning claim requests across parallel revocation and counterclaim proceedings was a legitimate reason for a late amendment, especially as the opposing party was given adequate time to respond.

The Court distinguished a claimed embodiment with hexagonal cells from a non-claimed embodiment with rhomboid cells shown in other figures, based on the patent’s explicit descriptive text.

The Court found no motivation for the skilled person to modify the prior art’s mixed-cell valve frame into one made entirely of hexagonal cells, as this contradicted the prior art’s teaching.

The Court granted an injunction but created an exemption for specific medical devices (XL sizes) where they are the only available treatment option, balancing the patent proprietor’s rights and public health.

The Court corrected a first instance order for “preliminary damages,” clarifying the legal basis is for costs, not damages, and reduced the awarded amount accordingly.

Division

Court of Appeal

UPC number

UPC_CoA_464/2024, UPC_CoA_457/2024, UPC_CoA_458/2024, UPC_CoA_530/2024, UPC_CoA_532/2024, UPC_CoA_533/2024, UPC_CoA_21/2025, UPC_CoA_27/2025

Type of proceedings

Appeal against decisions on infringement and revocation

Parties

Claimant (Infringement) / Defendant (Revocation) / Patent Proprietor: Edwards Lifesciences Corporation

Defendant (Infringement) / Counterclaimant (Revocation): Meril GmbH and Meril Life Sciences Pvt Ltd.

Claimant (Revocation): Meril Italy Srl

Patent(s)

EP 3 646 825

Jurisdictions

UPC

Body of legislation / Rules

Art. 33(4), 54, 56, 63, 64, 69(1), 69(2) UPCA
R. 30.2, 49.2, 50.2, 150(2), 152.2 RoP
Art. 56, 69, 84, 123(2) EPC
Art. 3, 11 Enforcement Directive


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  • German and European Patent Attorney, UPC Representative, Senior Associate

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