A Vilnius-based SaaS company expands into Poland, signs its first enterprise client in Warsaw, and assumes its Lithuanian trademark registration covers the new market. Six months later, a Polish competitor files a near-identical mark with the Urząd Patentowy Rzeczypospolitej Polskiej (Polish Patent Office, UPRP) and begins using it commercially. The Lithuanian company discovers the gap too late to block registration without litigation.

IP protection in Poland requires affirmative, Poland-specific filings. A Lithuanian trademark or copyright registration does not automatically extend to Polish territory. The UPRP administers national filings, while EU-wide instruments – the EU Trade Mark (EUTM) and the Unitary Patent – offer broader coverage through single applications. Lithuanian tech companies entering Poland should complete core filings within 30 days of market entry to preserve priority dates and avoid costly enforcement gaps.

This guide walks through each protection layer in sequence: trademark and patent filings, software and database copyright, trade secrets, data-law compliance (including GDPR Poland and the AI Act), and cross-border enforcement. Three business scenarios – a SaaS provider, a hardware startup, and a fintech platform – illustrate how the framework applies in practice. A checklist at the end summarises the minimum steps before commercial launch.

What IP instruments are available to Lithuanian tech companies in Poland?

Polish IP law sits within two overlapping systems. National rights arise under the ustawa Prawo własności przemysłowej (Industrial Property Law, IPL) and the ustawa o prawie autorskim i prawach pokrewnych (Copyright Act). EU-level instruments – the EUTM, the Supplementary Protection Certificate, and the Unitary Patent regime – operate in parallel. A Lithuanian company already holding an EUTM automatically has trademark protection in Poland; a Lithuanian national mark does not. This distinction matters from day one.

For software, Polish copyright law protects source code as a literary work from the moment of creation. No registration is required. The practical problem is proof: without timestamped version control logs, sworn depositions, or a notarised code deposit, establishing creation date in litigation becomes difficult. The Sąd Okręgowy w Warszawie (Warsaw Regional Court) handles most IP disputes involving tech companies, and judges routinely ask for contemporaneous evidence of authorship.

Patents for technical inventions can be filed nationally with the UPRP or as European Patents through the Europejski Urząd Patentowy (European Patent Office, EPO). A national UPRP filing costs roughly PLN 550 in official fees for a basic application. An EPO application validated in Poland adds protection in all designated states but costs significantly more – typically EUR 3,000–6,000 in combined fees before translation. The Unitary Patent, available since June 2023, covers 18 EU states (including Poland) through a single validation step after EPO grant, reducing post-grant costs for companies with broad European ambitions.

Trade secrets receive protection under the ustawa o zwalczaniu nieuczciwej konkurencji (Act on Combating Unfair Competition, ACUC). Protection is automatic but conditional: the holder must take reasonable steps to maintain secrecy. NDAs alone are rarely sufficient. Documented access controls, confidentiality policies, and employee training records strengthen the position materially. Lithuanian companies transferring source code or algorithms to Polish employees or contractors should implement these controls before the first line of code is shared.

How does the trademark filing process work in Poland?

Filing a national trademark with the UPRP takes approximately 5–7 months from application to registration under normal examination. The official fee for a single-class electronic filing is PLN 450. Each additional class costs PLN 120. The UPRP publishes accepted applications in its official bulletin, opening a 3-month opposition window. Oppositions filed by prior-rights holders can extend the timeline by 12–18 months. For an IP lawyer Warsaw practice, monitoring the bulletin after filing is standard practice – not optional.

An EUTM filed through the Urząd Unii Europejskiej ds. Własności Intelektualnej (European Union Intellectual Property Office, EUIPO) costs EUR 850 for one class electronically. Registration typically takes 4–6 months absent opposition. Because Poland is an EU member state, an EUTM automatically covers Polish territory. Lithuanian companies that already hold an EUTM should verify that their goods and services specification is broad enough to cover their Polish product offering – gaps in specification cannot be fixed after filing without a new application.

We secured a reversal of a UPRP opposition decision for a technology client in the Mazowieckie region (autumn 2025), restoring trademark priority that had been provisionally lost due to a specification drafting error. The outcome turned on the precise wording of the original application – a detail that costs nothing to correct before filing and can cost years to fix after.

Three practical steps before submitting any Polish trademark application:

  • Run a full UPRP and EUIPO clearance search, including phonetic similarity analysis in Polish
  • Confirm that the Nice Classification covers all current and planned product lines
  • Check whether any Polish domain registrations or social media handles create prior-use rights under the ACUC

Lithuanian companies with an existing EUTM should also check whether any national Polish marks filed before their EUTM priority date could ground a cancellation action. A EUTM can be cancelled in its entirety if a conflicting national mark with earlier priority exists – a risk that is easy to miss when managing IP from Vilnius without local counsel.

What software, database, and trade secret protections apply?

Polish copyright law protects software and databases automatically at creation. No registration exists. The challenge is evidentiary: in disputes before the Warsaw Regional Court, the party claiming copyright must demonstrate that it created the work and when. Version control timestamps (Git logs with cryptographic hashes), development contracts with Lithuanian subcontractors, and internal design documents all serve as evidence. Companies that rely solely on oral testimony rarely succeed.

Database rights – a separate sui generis right under Polish law implementing the EU Database Directive – protect the investment in compiling data, not the individual data points. A Lithuanian fintech company maintaining a Polish customer database may hold a 15-year database right from the date of completion, renewable with each substantial update. This right is enforceable against competitors who extract substantial portions of the database without authorisation.

GDPR Poland compliance intersects directly with IP strategy here. A customer database protected by sui generis database rights is simultaneously a personal data processing asset subject to oversight by the Urząd Ochrony Danych Osobowych (Personal Data Protection Office, UODO). If the database is transferred from Lithuania to Poland – or accessed by Polish employees – a data transfer mechanism must be in place. Our guide on data transfer from Poland to Ukraine: legal mechanisms covers the legal instruments applicable to intra-EU and third-country transfers, several of which are directly relevant to Lithuania-Poland data flows.

Trade secret protection under the ACUC requires the holder to demonstrate three elements: the information has commercial value, it is not publicly known, and the holder took reasonable steps to keep it secret. For Lithuanian tech companies, "reasonable steps" in a Polish court means documented measures – not just goodwill. Access logs, IP assignment agreements with Polish developers, and clear confidentiality clauses in employment contracts (governed by Polish labour law for Polish-based employees) are the minimum baseline.

How do AI Act and DORA compliance affect IP strategy?

The EU AI Act entered into force in August 2024, with obligations phasing in through 2026–2027. Lithuanian tech companies deploying AI systems in Poland must classify their systems by risk level. High-risk systems – defined by sector and function, not by the company's own assessment – require conformity assessments, technical documentation, and registration in the EU database before deployment. Failure to complete conformity assessment before commercial launch in Poland forfeits the right to deploy and can trigger fines up to EUR 30m or 6% of global annual turnover.

AI Act Poland obligations also affect IP ownership questions. Training data used to develop AI models may incorporate third-party copyright works. Polish copyright law does not contain a broad text-and-data mining exception for commercial AI development. A Lithuanian company training models on Polish-language datasets must audit the licensing status of that training data before deployment. Undisclosed use of protected works in training data creates both IP infringement exposure and AI Act documentation gaps.

DORA compliance – the Digital Operational Resilience Act, applicable from January 2025 – applies to financial entities and their ICT service providers. A Lithuanian fintech or regtech company providing software to Polish banks, payment institutions, or investment firms is likely classified as an ICT third-party service provider under DORA. This classification triggers contractual requirements (specific clauses in ICT service agreements), audit rights for Polish financial entities, and registration obligations managed through the Komisja Nadzoru Finansowego (Polish Financial Supervision Authority, KNF). Ignoring DORA when entering the Polish financial sector is not a compliance risk – it is a deal-blocker: Polish regulated entities cannot contract with non-compliant ICT providers.

We obtained a pre-launch compliance clearance for a Baltic fintech client entering the Polish payments market in Lower Silesia (spring 2026), mapping DORA contractual requirements against their existing SaaS terms and identifying three non-compliant clauses before the client signed its first Polish bank contract. The corrections took two weeks. Discovering the same issues post-signature would have required contract renegotiation with a regulated counterparty – a process measured in months, not weeks.

What are the three business scenarios for Lithuanian tech companies?

Scenario one: SaaS provider. A Vilnius-based B2B SaaS company launches a Polish-language version of its platform and begins selling to Polish SMEs. The core IP assets are the software (copyright), the brand name (trademark), and the customer database (database right plus GDPR). Priority actions: file an EUTM or verify existing EUTM coverage within 30 days of launch; implement GDPR-compliant data processing agreements with Polish clients; and document software authorship with timestamped development records. DORA does not apply unless the clients are regulated financial entities.

Scenario two: hardware startup. A Lithuanian company developing IoT sensors for industrial use establishes a Polish subsidiary to serve manufacturing clients. The core IP assets are the technical invention (patent), industrial design (registered Community design or UPRP design), and embedded software (copyright). A European Patent application should be filed before any public disclosure – public disclosure more than 12 months before filing destroys novelty under EPO rules. The 12-month grace period under US law does not apply in Europe. This is the single most common and most costly mistake Lithuanian hardware companies make when entering the Polish market.

Scenario three: fintech platform. A Lithuanian payment technology company seeks to provide services to Polish banks. IP assets include the platform software, proprietary algorithms (trade secret), and brand. Regulatory overlay: DORA applies immediately; KNF oversight of the Polish bank clients means the Lithuanian company will face contractual audit rights and resilience testing requirements. An IP lawyer Warsaw engagement should run in parallel with KNF regulatory counsel – IP and regulatory strategy cannot be sequenced here; they must proceed simultaneously. For companies also considering cross-border restructuring or insolvency scenarios, our analysis of cross-border insolvency involving Poland and Lithuania addresses how IP assets are treated in Lithuanian-Polish insolvency proceedings.

All three scenarios share one structural feature: the IP protection strategy must be in place before commercial activity begins. Retroactive filings preserve fewer rights, cost more to enforce, and often arrive too late to block a competitor who moved faster.

What should Lithuanian tech companies prepare before market entry?

The checklist below covers the minimum steps. It is not exhaustive – specific product categories (medical devices, financial software, AI systems) require additional layers. But companies that complete all five items before their first Polish client contract will be materially better positioned than those that do not.

  • Trademark: confirm EUTM coverage or file a UPRP national application; conduct Polish-language clearance search
  • Software copyright: establish timestamped version control records; execute IP assignment agreements with all developers
  • Trade secrets: implement documented access controls and confidentiality policies for Polish-facing operations
  • Data compliance: map personal data flows between Lithuania and Poland; ensure GDPR-compliant processing agreements are in place with Polish clients and processors
  • Regulatory overlay: assess AI Act risk classification and DORA applicability before signing first Polish contracts

One figure worth keeping in mind: under Polish industrial property law, a trademark application that is not filed within 6 months of first commercial use in Poland loses the ability to claim convention priority based on an earlier Lithuanian filing. After that window closes, any earlier-filed Polish conflicting mark takes precedence – regardless of how long the Lithuanian company has been using the brand in Vilnius. Priority is a use-it-or-lose-it right. For comparison, our guide on IP protection strategy for Sweden tech companies in Poland addresses analogous filing timelines for non-Baltic EU companies entering the same market.

A practical note on cost sequencing: UPRP national trademark filing costs PLN 450–570 in official fees. An EUTM costs EUR 850. A basic IP audit covering trademark, copyright, and trade secret gaps – conducted before market entry – typically costs a fraction of what enforcement litigation costs after a gap is exploited. The economics of prevention are not subtle here.

Specific situations require tailored assessments. A Lithuanian tech company's IP portfolio, product classification, and market entry structure all affect which instruments apply and in what order. To receive an expert assessment of your IP protection strategy for the Polish market, contact info@kordeckipartners.com.

Frequently asked questions

Q: Does our Lithuanian trademark registration protect us in Poland automatically?

A: No. A Lithuanian national trademark registration has no legal effect in Poland. Polish territory is covered either by a separate UPRP national filing or by an EU Trade Mark registered through the EUIPO. If your company already holds an EUTM, Poland is included – but you should verify that your goods and services specification covers your Polish product offering. Gaps in specification cannot be corrected after filing without a new application.

Q: How long does it take and what does it cost to register a trademark in Poland?

A: A national UPRP filing takes approximately 5–7 months under normal examination, with official fees of PLN 450 for the first class (electronic filing) plus PLN 120 per additional class. An EUTM through the EUIPO costs EUR 850 for one class and typically registers in 4–6 months absent opposition. Both timelines extend significantly if an opposition is filed during the 3-month opposition window. Budget for professional representation fees in addition to official charges.

Q: Is DORA compliance really relevant for a Lithuanian SaaS company selling to Polish businesses?

A: DORA applies to ICT third-party service providers whose clients are regulated financial entities – banks, payment institutions, investment firms, and similar. If your Polish clients include any entity supervised by the KNF, DORA obligations apply to your contracts with them regardless of where you are incorporated. The misconception that DORA only applies to large providers is common and costly: Polish regulated entities are required to ensure their ICT suppliers comply, and non-compliant suppliers risk contract termination. A preliminary DORA applicability assessment takes 1–2 days and should be completed before the first sales conversation with a Polish financial institution.

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 IP protection, technology regulation, and cross-border market entry. 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.