A Warsaw-based technology company receives a first-instance judgment ordering it to pay PLN 4.8 million to a former distribution partner. The judgment feels wrong on the facts and on the law. The board has 14 days to decide whether to appeal – and that window is non-negotiable. Miss it, and the judgment becomes final. The debt becomes enforceable. The opportunity to challenge it is gone permanently.

Polish commercial appellate procedure gives a losing party the right to challenge a first-instance judgment before a regional or appellate court, depending on which court issued the original ruling. The appeal must be filed within 14 days of receiving the written judgment with reasoning. Failure to file within that deadline precludes any further challenge on the merits and forfeits the right to suspend enforcement.

This guide walks through the full appellate process in Polish commercial courts: the procedural steps, filing costs, realistic timelines, the most common mistakes that sink otherwise strong appeals, and three business scenarios drawn from manufacturing, IT, and foreign-investor contexts. Each section is designed to be actionable – not just descriptive.

How does the Polish commercial appellate system work?

Polish commercial litigation runs through a two-tier court structure under the Kodeks postępowania cywilnego (Code of Civil Procedure, KPC). District courts (sądy rejonowe) hear claims below a statutory threshold. Regional courts (sądy okręgowe) – registered with the National Court Register (KRS) as competent commercial divisions – hear larger commercial disputes at first instance. Appeals from district court decisions go to regional courts. Appeals from regional court judgments go to appellate courts (sądy apelacyjne). There are eleven appellate courts in Poland, with the Warsaw Appellate Court handling the largest volume of commercial cases.

The appeal is a full merits review. The appellate court examines both findings of fact and conclusions of law. This distinguishes Polish procedure from purely cassation-based systems. A party may present new evidence at the appellate stage – but only if it could not have been produced earlier, or if the need to produce it arose after the first-instance hearing closed. Courts apply this filter strictly.

The Polish Financial Supervision Authority (KNF) and the Office of Competition and Consumer Protection (UOKiK) each have specialised first-instance procedures, but commercial contract disputes between businesses travel through the civil court track described here. Arbitration Poland-seated awards are also subject to a separate setting-aside procedure before the appellate court – not the standard commercial appeal route.

What are the mandatory steps and deadlines in a Polish commercial appeal?

The appellate timetable is tight and unforgiving. Missing any single deadline can close the case permanently – a genuinely irreversible consequence. Step one: request the written reasoning of the first-instance judgment within 7 days of its oral pronouncement. Without this request, the 14-day appeal period never starts running – but the judgment still becomes final after 3 weeks if no reasoning is requested. Step two: file the appeal within 14 days of receiving the written judgment with reasoning.

The appeal document must satisfy formal requirements. It must identify the judgment being challenged, specify the scope of the challenge (entire judgment or specific parts), articulate the legal and factual grounds, and set out the relief sought. Courts in litigation Warsaw regularly return appeals that fail to specify relief precisely. A vague request to "change the judgment" is insufficient – the appellant must state exactly what amended ruling it seeks.

  • Request written reasoning: within 7 days of oral pronouncement
  • Receive written reasoning: typically 30–60 days after the request
  • File the appeal: within 14 days of receiving the reasoning
  • Pay the court fee: simultaneously with filing
  • Serve the opposing party: the court handles service after formal acceptance

The court fee for commercial appeals is calculated as a percentage of the claim value. For claims above PLN 1 million, the fee is capped at PLN 200,000. Failure to pay the fee on time results in the appeal being returned without examination – another irreversible consequence that experienced dispute lawyers anticipate and avoid.

After filing, the first-instance court conducts a preliminary formal review. If the appeal passes this review, the file is transmitted to the appellate court. The opposing party has 14 days to file a response. The appellate court then sets a hearing date – typically 6 to 18 months after the appeal is filed, depending on the court's docket and the complexity of the case.

What mistakes most often sink commercial appeals in Poland?

Strong cases are lost on procedure every year. Three categories of error dominate. First: failing to preserve grounds at first instance. Polish appellate procedure limits the scope of review to grounds that were either raised below or could not have been raised. A party that stayed silent on a key contractual interpretation point during the first-instance trial cannot introduce that argument on appeal as if it were new. The dispute lawyer's job begins at the moment the claim is filed – not after the adverse judgment.

We secured a reversal of a first-instance judgment exceeding PLN 3.2 million for a manufacturing client in the Mazowieckie region (autumn 2025). The reversal turned on a misapplication of force majeure clauses that had been properly preserved in the client's first-instance submissions. The appellate court found the lower court had ignored uncontested documentary evidence.

Second: mis-scoping the appeal. An appellant that challenges only part of the judgment – but fails to challenge the costs award separately – may win on the merits and still face a disproportionate costs order. Cost awards in Polish commercial courts can reach 10–15% of the claim value in large disputes. Third: evidence timing errors. New evidence presented on appeal without a proper procedural justification is routinely rejected. Courts apply a "could not have been presented earlier" standard with little flexibility.

Sanctions compliance issues occasionally intersect with commercial appeals – particularly where a judgment concerns a contract with a party subsequently placed on a sanctions list. In those cases, enforcement of the judgment itself may be suspended by operation of EU sanctions regulations, creating a parallel track that a dispute lawyer must monitor alongside the appellate procedure.

How do three business scenarios play out in practice?

Understanding appellate procedure in the abstract is useful. Seeing it applied to concrete situations is more useful still. Three scenarios illustrate the decision points that matter most for businesses operating in Poland.

Manufacturing company in Silesia. A German-owned manufacturer loses a PLN 7 million supply-chain dispute at first instance. The regional court mischaracterised the delivery terms under a INCOTERMS clause. The company files a timely appeal, attaches the original logistics documentation as preserved evidence, and requests suspension of enforcement pending appeal. The appellate court grants the suspension – preventing enforcement of PLN 7 million during the 14-month appellate period. For cross-border context on how Italian and other foreign companies handle similar disputes, see our analysis of dispute resolution for Italy companies doing business in Poland.

IT services company in Warsaw. A Warsaw-based software house is ordered to pay PLN 1.4 million for alleged breach of a logistics platform contract. The first-instance court relied on expert evidence that the appellant considers methodologically flawed. On appeal, the company requests appointment of a new court expert. The appellate court has discretion to grant this – but only if the original expert's methodology was challenged at first instance. It was. The appeal succeeds. For context on how contract terms in logistics and warehouse arrangements are interpreted by Polish courts, the guide on warehouse and logistics contracts under Polish law provides relevant background.

Foreign investor enforcing a foreign judgment. A Ukrainian company holds a judgment from a Ukrainian commercial court against a Polish debtor. Rather than appealing a Polish first-instance ruling, it seeks recognition of the foreign judgment in Poland. The procedure differs substantially from a standard commercial appeal – it involves a separate recognition proceeding before the appellate court. The step-by-step process is set out in detail in our guide on enforcing a Ukraine judgment in Poland step by step.

Our team obtained interim protective measures covering assets worth over EUR 4.5 million for a foreign investor's subsidiary in Lower Silesia (spring 2026). The measures were granted within 72 hours of filing, before the opposing party could transfer assets abroad.

What should you prepare before filing a commercial appeal?

Preparation quality determines appellate outcomes more than any other single factor. A well-prepared appeal filed on time consistently outperforms a brilliant legal argument filed a day late – because the late filing does not exist. The checklist below reflects what experienced appellate practitioners assemble before the 14-day window closes.

  • Full written judgment with reasoning – annotated for factual and legal errors
  • Trial transcript or audio recording – to verify what was actually argued below
  • All documentary evidence from first instance – to identify any gaps or mischaracterisations
  • Expert reports (if any) – reviewed for methodological challenges available on appeal
  • Calculation of court fee – verified against current KPC fee schedule

The KIO appeal – the Krajowa Izba Odwoławcza (National Appeals Chamber) – is a separate procedure applicable to public procurement disputes, not standard commercial litigation. However, businesses that lose a KIO appeal may subsequently litigate the underlying contract claim in the commercial courts, where standard appellate rules apply. The two tracks interact, and a dispute lawyer advising on public contracts must understand both.

Arbitration Poland proceedings seated in Warsaw or Krakow produce awards that are subject to setting-aside applications before the appellate court – not standard commercial appeals. The grounds are narrow: serious procedural irregularities, violation of public policy, or lack of arbitral jurisdiction. Setting-aside applications must be filed within 3 months of the award being delivered. Missing that window forfeits the right to challenge the award in Polish courts entirely.

Timeline expectations matter for business planning. A straightforward commercial appeal before the Warsaw Appellate Court currently takes 12 to 18 months from filing to judgment. Complex multi-party disputes or cases requiring new expert evidence can extend to 24 months. Enforcement is automatically suspended if the appellant pays the court fee and requests suspension – this protection lapses if the appeal is rejected on formal grounds, making procedural compliance a direct financial risk.

For businesses with cross-border operations, the appellate judgment may need to be recognised abroad. Polish appellate court judgments are automatically recognised within EU member states under the Brussels I Recast Regulation without any separate recognition proceeding. Recognition in non-EU jurisdictions – including Ukraine, the United Kingdom, and the United States – requires separate domestic procedures in each target country.

Frequently asked questions

Q: Can a party introduce new evidence at the appellate stage in Polish commercial proceedings?

A: New evidence is admissible on appeal only if the party demonstrates it could not have been presented at first instance, or that the need to present it arose after the first-instance hearing concluded. Courts apply this standard strictly. Evidence that existed during the trial but was simply not submitted is generally excluded. The practical consequence is that appellate strategy must be built on what was already in the trial record.

Q: How much does a commercial appeal cost, and who bears the costs if the appeal succeeds?

A: The court filing fee for a commercial appeal is a percentage of the disputed amount, capped at PLN 200,000 for claims above PLN 1 million. A successful appellant recovers the filing fee from the losing party. Legal representation costs are recoverable under a statutory scale that rarely reflects actual market rates for complex commercial matters – meaning a party may win on the merits and still bear a significant net cost. Budgeting for this gap is part of any realistic appeal assessment.

Q: Is it a misconception that Polish appellate courts only review legal errors, not factual findings?

A: Yes – this is a common misconception among foreign clients familiar with purely cassation-based systems. Polish appellate courts conduct a full merits review of both facts and law. The appellate court is not limited to identifying legal errors; it may re-examine the evidence, reweigh witness testimony through the trial record, and substitute its own factual findings for those of the first-instance court. This makes the appeal a genuine second opportunity to win on the facts, not merely a technical legal challenge.

Specific situations require individual analysis. The appellate procedure described above applies to standard commercial disputes under the Code of Civil Procedure. Variations apply to insolvency-related claims, intellectual property disputes before specialist IP courts, and proceedings involving regulated entities where the KNF or UOKiK has issued a decision that feeds into the commercial litigation.

To receive an expert assessment of your appellate options and the strength of your grounds, contact info@kordeckipartners.com.

KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to commercial litigation and appellate procedure. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.

Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. KORDECKI & Partners assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@kordeckipartners.com.