Home » UPC decisions » Luxembourg Court of Appeal » CoA, November 2, 2026, Decision on application to set aside a decision by default, UPC_CoA_935/2025

CoA, November 2, 2026, Decision on application to set aside a decision by default, UPC_CoA_935/2025

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Key takeaways

Alternative service under R. 275 RoP need not mirror the domestic service methods of the State of destination (R. 274.1(b), R. 275.4 RoP)

An alternative method authorised under R. 275 RoP need not be a method prescribed by the internal law of the State of destination for the service of documents in domestic proceedings. Otherwise, the reference in R. 274.1(b) RoP to an alternative method authorised under R. 275 RoP would have no autonomous meaning.

Deemed service and actual service are distinct concepts

A determination under R. 275.3(b) RoP that the Statement of claim is deemed served on a particular date does not, by itself, establish actual service within the meaning of R. 277(b) RoP. Actual service may nevertheless be established independently on the basis of the factual circumstances underlying that determination.

The completion of a separate service procedure on a later date does not retrospectively invalidate a R. 275 Order or supersede a date of deemed service established under R. 275.3(b) RoP. Since the period for filing the Statement of defence already begins to run on the date of a deemetd service stablished by a valid R. 275 Order, a later actual service does not cause a new period under R. 23 RoP to begin.

Relief from a missed deadline in pending proceedings is assessed under R. 9.3(a) RoP, not R. 320 RoP, and requires prompt notification of the Court

In exercising its discretion under R. 9.3(a) RoP, the Court must take account of all the circumstances of the case, including the reasons for the failure to comply with the period, the conduct of the party and its representative, and the promptness with which the Court and the opposing party were informed of the relevant circumstances. A party seeking an extension on account of an unforeseen circumstance should inform the Court without undue delay once that circumstance becomes apparent, where such communication remains reasonably possible.

Rectification under R. 353 RoP cannot be used to replace a substantive legal conclusion with a different one

R. 353 RoP permits the Court to rectify clerical mistakes, errors in calculation and obvious slips in a decision or order. The circumstances contemplated by R. 353 RoP presuppose a discrepancy between the decision intended by the Court and its material expression. R. 353 RoP does not permit the Court, under the guise of rectification, to reconsider or alter a substantive legal assessment contained in the decision or to substitute a different legal conclusion for the one originally expressed.

Setting aside a decision by default under R. 356 RoP is mandatory upon compliance with R. 356.2 RoP; excusability is not required

Once an application to set aside a decision by default complies with the requirements of R. 356.2 RoP, the Court does not retain a general discretion to refuse it on the ground that the default is considered insufficiently justified or excusable.

The explanation required by R. 356.2 RoP does not operate as a plea for relief requiring the applicant to prove that the default occurred without fault or was otherwise excusable. It enables the Court to identify the cause and scope of the default and may inform the exercise of its discretionary powers in the subsequent conduct of the proceedings, including case-management orders, the allocation of costs and a notice under R. 356.3 RoP that a further decision by default shall be final.

The Court must verify that the application contains a genuine and truthful explanation of how and why the default occurred. The explanation must identify the circumstances which caused the default and must be intelligible, sufficiently complete and causally connected with the procedural omission concerned. A merely apparent statement, an account unrelated to the default, a deliberately incomplete explanation or a knowingly false representation would not satisfy that requirement.

Precluding relief under R. 356.3 RoP requires an express notice in an earlier default decision that a further default will be final

The notice required by R. 356.3 RoP must be express and clear. It must specifically inform the party that, in the event of a further default, the resulting decision by default shall be final and that the remedy under R. 356 RoP will no longer be available.

Mere notice that a decision by default will be issued does not satisfy that requirement.

Division

CoA Luxembourg; appeal against orders of the Local Division The Hague

UPC number

UPC_CoA_935/2025; first instance: UPC_CFI_499/2024

Type of proceedings

Appeal against a decision by default and procedural orders in infringement proceedings on the merits

Parties

Appellant (Defendant in the infringement proceedings before the Court of First Instance): Name not displayed for GDPR reasons

vs.

Respondent (Claimant in the infringement proceedings before the Court of First Instance): Amycel, LLC

Patent(s)

EP 1 993 350

Jurisdictions

UPC

Body of legislation / Rules

R. 9.3(a) RoP, R. 19.1 RoP, R. 242.2(b) RoP, R. 243.1 RoP, R. 274 RoP, R. 275 RoP, R. 277 RoP, R. 320 RoP, R. 353 RoP, R. 356 RoP, Art. 37 UPCA Statute, Art. 75(1) UPCA, Art. 12, 18, 22(1)(b) Regulation (EU) 2020/1784


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