Enforcing Patents in Romania in 2026, UPC vs National Courts, Injunctions & Enforcement Checklist

Patent enforcement Romania has entered a new era. With Romania now covered by the Unitary Patent system and the Unified Patent Court operational across participating member states, rights-holders face a fundamental strategic question: enforce through the UPC for cross-border relief, or litigate in Romanian national courts for territory-specific control? Compounding this decision are updated interim relief mechanisms, evolving customs seizure procedures under Regulation (EU) No 608/2013, and shifting cost dynamics that reward early tactical planning. This guide delivers a practical enforcement playbook, complete with jurisdiction comparison tables, injunction timelines, customs application steps, and a 12-point checklist, designed for in-house counsel, IP managers, and patent owners who need to act decisively in 2026.

TL;DR: If you need multi-state relief quickly, the UPC offers centralised injunctions across all participating states. If you need Romania-only enforcement with lower revocation risk, national courts remain the safer forum. In either case, pre-litigation evidence preservation and early customs watch applications multiply your chances of success.

Overview, Unitary Patent & UPC vs the Romanian National System

The Unitary Patent (UP) and the Unified Patent Court (UPC) represent the most significant structural change to European patent enforcement in decades. A Unitary Patent provides uniform protection across all participating EU member states through a single registration, eliminating the need for country-by-country validation. The UPC, in turn, is the dedicated court with exclusive jurisdiction over infringement and validity disputes involving both Unitary Patents and “classic” European patents that have not been opted out of UPC jurisdiction.

Romania’s inclusion in the Unitary Patent system means that a single UP registration now extends protection to Romanian territory automatically. For rights-holders, this dramatically reduces the administrative burden and cost of maintaining patent coverage in Romania as part of a broader European portfolio. It also means that UPC judgments, including injunctions and damages orders, are directly enforceable in Romania alongside every other participating state.

At the national level, Romania continues to operate its own patent system administered by OSIM (the Romanian State Office for Inventions and Trademarks). National Romanian patents and European patents validated in Romania that have been opted out of UPC jurisdiction remain enforceable exclusively through Romanian courts. The Bucharest Tribunal serves as the primary first-instance court for patent litigation in Romania, with appeals heard by the Bucharest Court of Appeal.

Key Dates and What Changed

Which Patents Are Affected

Understanding which patents fall under which system is essential for choosing the right enforcement forum:

• Unitary Patents. All Unitary Patents are subject to exclusive UPC jurisdiction. There is no opt-out available. Enforcement actions must be brought before the UPC.
• Classic European patents (validated in Romania). These fall under UPC jurisdiction by default during the transitional period, but the patent holder may register an opt-out to keep them in the national court system. If no opt-out is registered, both the UPC and national courts have jurisdiction (though the UPC takes precedence if the action is filed there first).
• National Romanian patents (filed through OSIM). These remain exclusively within the Romanian national court system. The UPC has no jurisdiction over purely national patents.

Industry observers expect that many rights-holders with significant Romanian market exposure will maintain a dual strategy, holding some European patents opted out for national enforcement flexibility, while relying on Unitary Patents for streamlined European patent enforcement across multiple markets simultaneously.

Choosing Jurisdiction for Patent Enforcement Romania, UPC vs National Courts

The jurisdiction decision is the most consequential tactical choice a patent owner faces in 2026. The answer depends on four factors: the geographic scope of relief needed, the speed and availability of interim measures, the damages strategy, and the risk tolerance for centralised validity challenges.

Four-Factor Decision Framework

• Scope of relief. If infringement is occurring across multiple UPC-participating states, a single UPC action can yield a pan-European injunction. If the dispute is confined to Romania, a national action in the Bucharest Tribunal may be more proportionate and cost-effective.
• Speed and interim relief. The UPC offers dedicated procedures for provisional measures, including emergency applications that can be processed within days. Romanian national courts can also grant preliminary injunctions, though timelines tend to be longer in practice. The choice depends on which forum can deliver faster results for the specific case.
• Damages strategy. Romanian courts apply national damages rules, which allow lost profits, reasonable royalties, and moral damages under Romanian patent law. The UPC applies its own damages framework, which draws on principles common across participating states. In either forum, proving quantum requires robust economic evidence.
• Central revocation risk. Filing in the UPC exposes the patent to a centralised counterclaim for invalidity. If the defendant succeeds, the patent is revoked across all participating states, not just Romania. National court proceedings carry only national validity consequences, making them a lower-risk option for patents with potential vulnerability.

UPC vs National Courts, Comparison Table

Opt-Out Considerations and Transitional Rules

Rights-holders who wish to keep their classic European patents within the exclusive jurisdiction of Romanian national courts must register an opt-out with the UPC Registry. The opt-out is available during the transitional period and must be registered before any action involving the patent has been initiated at the UPC. Once registered, it can be withdrawn (opted back in), but only if no national court action is already pending. Early indications suggest that patent owners in sectors with high invalidity exposure, such as pharmaceuticals facing generics challenges, tend to favour maintaining opt-outs to avoid the centralised revocation risk inherent in UPC proceedings.

Interim Relief in Romania, Injunctions, Seizures and Evidentiary Thresholds

Obtaining a patent injunction Romania is often the critical first step in any enforcement campaign. A preliminary injunction can stop infringing products from reaching the market while the merits of the case are determined, preserving the rights-holder’s market position and preventing irreparable harm. Both Romanian national courts and the UPC offer provisional relief mechanisms, though the procedures, evidentiary standards, and timelines differ.

Preliminary Injunction in Romanian National Courts, Step-by-Step

A preliminary injunction patent Romania application must satisfy the following legal requirements:

1. Prima facie case of infringement. The applicant must demonstrate, with reasonable probability, that the patent is valid and that the defendant’s acts constitute infringement. This requires submitting claim charts, product analyses, or technical expert opinions.
2. Urgency. The applicant must show that delay would cause irreparable harm that cannot be adequately compensated by damages. Courts look at whether the infringing activity is ongoing and whether the patentee acted promptly upon learning of the infringement.
3. Balance of interests. The court weighs the potential harm to the patentee against the hardship an injunction would impose on the defendant. Disproportionate economic damage to the defendant may lead to a refusal.
4. Security/bond. Romanian courts typically require the applicant to post a security deposit (cauțiune) to cover potential damages to the defendant if the injunction is later found to have been unjustified.

Ex parte applications are possible in exceptional circumstances where prior notification of the defendant would render the measure ineffective, for example, where there is a risk that the defendant will destroy evidence or move infringing goods out of the jurisdiction.

Typical Timeline, Romania vs UPC Interim Relief

The likely practical effect of these timelines is that rights-holders facing urgent, multi-country infringement will prefer the UPC emergency track, while those dealing with a Romania-only problem may find national courts adequate, particularly if the case benefits from the court’s familiarity with local market conditions.

Search and Seizure Orders

Romanian law permits courts to order the seizure of infringing goods, materials, and implements used in the manufacture of infringing products. These orders are typically granted alongside or as part of preliminary injunction proceedings. The applicant should prepare detailed descriptions of the goods to be seized, the premises to be searched, and the suspected scale of infringement. A court-appointed bailiff executes the seizure, and the applicant may request that a technical expert accompany the bailiff to identify infringing items accurately.

Customs Measures, Patent Seizure Customs Romania

Border enforcement provides a powerful tool for intercepting infringing goods before they reach the domestic market. Under Regulation (EU) No 608/2013, rights-holders can file an application with Romanian customs authorities requesting detention of goods suspected of infringing a patent. The application can cover goods entering, transiting, or leaving Romania.

Key steps for an effective customs application:

1. Prepare the application. Submit the standard EU customs application form to the Romanian Customs Authority (Autoritatea Vamală Română), including patent details, product descriptions, photographs, and any information on known importers or shipping routes.
2. Provide technical documentation. Include claim charts or simplified technical explanations that allow customs officers, who are not patent specialists, to identify potentially infringing goods at the border.
3. Specify timeframe. The application can be granted for an initial period and extended. Once approved, customs officers will detain suspected goods and notify the rights-holder.
4. Act on detention notices. When goods are detained, the rights-holder must initiate infringement proceedings within a prescribed period (typically 10 working days, extendable to 20 working days) or the goods will be released.
5. Consider the simplified destruction procedure. For clearly infringing goods, Regulation (EU) No 608/2013 provides for simplified destruction without full court proceedings, provided the importer does not object within the prescribed timeframe.

Enforcing Final Remedies, Damages, Injunctive Relief, Destruction, Publication

Once infringement is established on the merits, Romanian courts offer a comprehensive range of remedies designed to compensate the patent owner and deter future infringement. Understanding the available remedies is critical for shaping litigation strategy from the outset, as the evidence required to support each remedy differs.

Available remedies in Romanian patent litigation include:

• Monetary damages. The patent owner may claim lost profits directly attributable to the infringement, or alternatively, a reasonable royalty (the amount the infringer would have paid for a licence). Romanian courts may also consider the infringer’s profits as a factor in quantifying damages.
• Permanent injunction. A final order prohibiting the defendant from continuing the infringing activity. This is the standard remedy upon a finding of infringement.
• Destruction or recall. Courts can order the destruction of infringing goods, materials, and implements, or their removal from commercial channels. The costs are borne by the infringer.
• Publication of the judgment. The court may order the infringer to publish the judgment at their expense in specified media, serving both a remedial and deterrent function.
• Moral damages. In appropriate cases, Romanian law permits an award of moral damages reflecting reputational harm to the patent owner.

The UPC offers a similar remedial toolkit, with the added advantage that damages and injunctions have cross-border effect across all participating states. However, quantifying damages under UPC rules is still an evolving area, and early indications suggest that practitioners should be prepared to present detailed economic evidence regardless of the forum chosen.

Practical Evidence Tips

• Document preservation. Issue preservation notices to the defendant at the earliest opportunity. In parallel, secure your own sales records, licensing agreements, and market data to support a damages claim.
• Expert evidence. Engage both technical experts (for infringement analysis) and economic experts (for damages quantification) early. Romanian courts and the UPC both rely heavily on expert evidence in patent cases.
• E-discovery considerations. While Romanian civil procedure does not have a formal e-discovery regime comparable to common law jurisdictions, courts can order the production of documents. Anticipate this and prepare accordingly.

Practical Cross-Border Patent Enforcement & Customs

One of the most significant advantages of the UPC for cross-border patent enforcement is that its judgments are directly enforceable across all participating member states without the need for exequatur or recognition proceedings. A UPC injunction ordering the cessation of infringement takes effect simultaneously in every participating country, including Romania. This represents a dramatic improvement over the pre-UPC regime, where enforcing a Romanian judgment in another EU member state required proceedings under the Brussels I bis Regulation (Regulation (EU) No 1215/2012), adding time and cost.

For national Romanian judgments that need to be enforced in other EU member states, the Brussels I bis Regulation still applies. While formal exequatur has been abolished, the judgment must be certified using the standard forms, and the defendant retains the right to apply for refusal of enforcement on limited grounds. In practice, this means that cross-border enforcement of national judgments remains feasible but slower than UPC enforcement.

How to Prepare an Effective Customs Application in Romania

A well-prepared customs application significantly increases the chances of successful border interception. The following documents and materials should be included:

• Patent registration details. Certified copies of the patent, including claims, and a statement of the patent’s validity and territorial coverage.
• Product identification materials. Photographs, technical drawings, and physical samples (if available) that help customs officers distinguish infringing goods from legitimate products.
• Intelligence on shipments. Any available information about known manufacturers, exporters, importers, shipping routes, and consignment details.
• Contact point for urgent notifications. A designated representative who can respond quickly when customs detains goods, delays in response can result in release of the goods.
• Indemnification undertaking. A statement accepting liability for costs if the detention is later found to have been unjustified.

Under Regulation (EU) No 608/2013, the application is free of charge. Once approved, the customs watch remains active for the specified period, and rights-holders receive notifications whenever suspect goods are identified. This makes customs measures one of the most cost-effective tools in the patent enforcement Romania toolkit.

Tactical Playbook, 12-Point Patent Enforcement Checklist for Romania

Effective enforcement begins before litigation is filed. The following checklist covers the essential steps for any rights-holder preparing to enforce a patent in Romania, whether through the UPC or national courts.

1. Confirm patent status. Verify that the patent is in force, all renewal fees are paid, and the patent covers Romania (through national validation, European validation, or Unitary Patent).
2. Check opt-out status. Determine whether the patent has been opted out of UPC jurisdiction. If it has not, decide whether to opt out before commencing enforcement.
3. Collect infringement evidence. Purchase test samples, document the accused product’s features, and prepare claim charts mapping each patent claim to the accused product.
4. Secure evidence preservation. Send preservation notices to the suspected infringer and consider applying for a court-ordered search and seizure if evidence destruction is a risk.
5. File customs watch application. Submit the customs application to the Romanian Customs Authority with supporting technical documentation to intercept infringing imports at the border.
6. Choose forum. Apply the four-factor test (scope, speed, damages, revocation risk) to decide between UPC and national courts.
7. Prepare expert reports. Commission technical and economic expert reports to support both the infringement analysis and the damages claim.
8. Calculate bond/security. Estimate the security deposit required for preliminary injunction applications and ensure funds are available.
9. Draft injunction application. Prepare the preliminary injunction motion with all supporting evidence, affidavits, and technical analysis.
10. Plan damages evidence. Assemble sales data, licensing comparables, market studies, and financial records to support the damages quantification.
11. Coordinate with local counsel. Engage experienced Romanian patent litigation counsel for national proceedings or UPC-qualified representatives for UPC actions.
12. Prepare enforcement plan. Have bailiff instructions, customs coordination protocols, and media/publication plans ready to execute immediately upon obtaining favourable orders.

If You Have 48 Hours

Focus on steps 1, 3, and 9. Confirm your patent is in force, gather whatever evidence is immediately available, and file an emergency ex parte injunction application (in national court) or an emergency application (at the UPC). Simultaneously file the customs watch application (step 5) to catch goods at the border.

If You Have 2 Weeks

Complete steps 1 through 9 methodically. Two weeks allows time to engage experts, prepare proper claim charts, collect market intelligence for the customs application, and file a well-supported inter partes preliminary injunction application. Use this time to also send cease-and-desist letters, which can strengthen the urgency argument in court.

Costs, Timing and Risk Matrix

Cost and timing are critical variables in any patent enforcement Romania strategy. While exact figures vary by case complexity, the following ranges provide a planning framework:

The central revocation risk at the UPC is the single most important risk factor for patent owners with any doubt about the robustness of their patent’s validity. If the defendant files a counterclaim and the patent is invalidated, protection is lost across all participating states. For risk-averse rights-holders, maintaining an opt-out and litigating nationally in Romania limits the downside to a single jurisdiction.

Conclusion, Recommended Decision Tree for Patent Enforcement Romania

The decision tree for patent enforcement Romania in 2026 follows a clear logic:

1. Is your patent a Unitary Patent? → UPC is your only option. Prepare for centralised litigation.
2. Is it a classic European patent validated in Romania? → Check opt-out status. If opted out, proceed in Romanian national courts. If not, evaluate the four factors (scope, speed, damages, revocation risk).
3. Is infringement confined to Romania? → National courts are likely more efficient and lower risk.
4. Is infringement occurring across multiple states? → The UPC offers decisive advantages in scope and enforcement speed.
5. In all cases: file a customs watch application and prepare injunction materials before initiating proceedings.

To identify experienced local counsel for patent litigation in Romania, or to explore the full directory of Romania-based IP and patent litigation experts, consult the Global Law Experts directory.

Sources

1. European Patent Office, Unitary Patent Now Covers Romania
2. OSIM, Romanian State Office for Inventions and Trademarks
3. Regulation (EU) No 608/2013, Customs Enforcement of Intellectual Property Rights
4. Unified Patent Court, Official Materials and Rules of Procedure
5. Chambers Practice Guides
6. ICLG, International Comparative Legal Guides
7. Stoica Asociatii, Patent Litigation, Legal 500 Country Comparative Guide, Romania
8. Tuca Zbarcea & Asociații, IP in Romania Guide
9. European Patent Office, Unitary Patent System Background & FAQ