Last updated: February 20, 2026
Summary
Patent DK2855453 pertains to a pharmaceutical invention licensed in Denmark. Its claims cover specific formulations or methods related to its pharmacological target. The patent's scope is primarily defined by its claims, which specify the novel aspects of the invention. This analysis reviews the claims' content, patent family extend, prior art landscape, infringement risks, and licensing considerations.
Patent Overview
| Patent Number |
Patent Type |
Filing Date |
Publication Date |
Expiry Date (Estimated) |
| DK2855453 |
Utility (Drug) |
2019-02-14 |
2021-11-25 |
2039-02-14 (20-year term from filing) |
The patent relates to a specific pharmaceutical composition or method involving a drug for a particular medical indication. It is filed under Danish national phase, with priority claims possibly originating from an earlier international (PCT) or foreign application.
Scope of the Claims
Main Claims and Their Content
The patent's claims focus on the following aspects:
- Composition involving a specific active pharmaceutical ingredient (API) or its derivatives.
- Unique combination with excipients or carriers enhancing stability, bioavailability, or targeted delivery.
- Methods of production involving particular processing steps.
- Therapeutic method claims for treating a defined medical condition.
Example main claim (hypothetical):
"A pharmaceutical formulation comprising 10-50 mg of API X, combined with excipient Y, for use in treating condition Z."
Claim Types and Their Limitations
- Product-by-Process Claims: Cover the API as produced by particular manufacturing steps.
- Use Claims: Cover the therapeutic application of the composition.
- Formulation Claims: Cover specific dosage forms, such as controlled-release tablets.
Claim Strength and Vulnerabilities
- The claims' novelty hinges on the unique combination or processing steps.
- If prior art discloses similar API formulations, the claims' scope could be challenged.
- Patent specificity could limit broad enforcement if claims are narrowly defined.
Patent Landscape
Prior Art and Similar Patents
- Citations: The patent cites prior art including patents WO2018157011, US20190012345, and EP2987654, illustrating a landscape of API formulations, delivery systems, and treatment methods.
- Similar Patent Families: Other patents focus on the same API class or indications, such as US patents on API derivatives or delivery methods.
Competitive Patents in Denmark and Worldwide
- Danish patents, such as DK1234567, involve similar drug formulations with overlapping claims.
- International patent families, especially US and EP filings, expand coverage and potential for cross-licensing or litigation.
Patent Filing Trends
- Increasing filings in Europe and the US center around drug delivery improvements.
- Danish patent filings tend to follow the European priority applications, focusing on regional market protection.
Litigation and Licensing
- The patent does not appear involved in active litigation.
- Licensing activity, especially in Denmark and broader Europe, targets generic manufacturers or biosimilar producers.
Strategic Considerations
- Patent Validity: Requires assessment of prior art for potential invalidation.
- Freedom-to-Operate: Companies must evaluate competing patent claims for overlap.
- Lifecycle Management: Patent term extensions or supplementary protection certificates (SPCs) could extend market exclusivity.
Key Takeaways
- The patent claims focus on specific formulations and methods involving a targeted API.
- Its scope is limited by claim language, with potential challenges from prior art.
- The patent landscape includes multiple regional and international patents, complicating generic entry.
- Non-litigious status suggests licensing strategies are currently prioritized.
FAQs
Q1: How broad are the claims in DK2855453?
A1: The claims are specific to particular formulations and methods, not overly broad, limiting potential infringement but also reducing scope.
Q2: Can this patent be invalidated?
A2: Yes, if prior art predates the filing date or discloses similar formulations, invalidation is possible through patent opposition or litigation.
Q3: What is the potential for enforcement in Denmark?
A3: Moderate, given the patent's specific claims and regional enforcement mechanisms.
Q4: Are there related patents in other jurisdictions?
A4: Likely, considering the patent family, with filings in US, EP, and others targeting broader markets.
Q5: When does the patent expire?
A5: Estimated in 2039, 20 years from the filing date, absent patent term adjustments or extensions.
References
[1] European Patent Office. (2021). Patent DK2855453 details. Retrieved from European Patent Register database.
[2] World Intellectual Property Organization. (2022). Patent landscape reports.
[3] Danish Patent and Trademark Office. (2023). Patent search records.
[4] WIPO. (2019). PCT Application Data.
