Last updated: March 4, 2026
What is the Scope of Patent DK3919048?
Patent DK3919048, granted by Denmark, primarily protects a specific pharmaceutical formulation for a drug. The patent’s scope centers on the composition, formulation, and method of manufacturing or administering a particular therapeutic agent. The key elements include:
- Composition: The patent claims a drug formulation comprising specified active ingredients and excipients.
- Formulation Characteristics: The claims specify unique physical or chemical properties, such as particle size, dissolution rate, or stability.
- Method of Production: Claims may include steps or processes for producing the formulation.
- Therapeutic Use: Claims sometimes extend to methods of treatment using the formulation.
Claim Types:
- Product claims: Cover the specific pharmaceutical composition.
- Method claims: Cover methods for manufacturing or administering the drug.
- Use claims: Describe therapeutic applications of the formulation.
The overall scope limits third parties from manufacturing, using, or selling the composition as claimed, within Denmark and potentially in other jurisdictions through patent extensions or equivalent filings.
How Broad Are the Claims?
The claims are considered moderate to narrow, primarily due to:
- Specification of particular active ingredients.
- Precise formulation parameters.
- Specific manufacturing steps.
For example, if the patent claims a formulation with a particle size range of 1-5 microns, deviations outside this range are not covered. Broad claims are less likely, reducing potential infringing activity scope.
Claim Language and Limitations
Exact claim language determines enforceability:
- Words like "comprising" allow for additional components.
- "Consisting of" narrow down scope by excluding other components.
- Claims referencing a specific dosage or combination limit their coverage accordingly.
Sometimes, claims mention the composition's use for treating certain conditions, restricting scope to specific indications.
Patent Landscape for Similar Technologies
The patent landscape includes:
- Family Patents: Related patents filed in multiple jurisdictions protect similar formulations.
- Prior Art: Other patents or publications in the field of drug formulations for the same pharmaceutical class.
- Competitor Holdings: Patents held by companies with active R&D in this area influence freedom-to-operate considerations.
Key players may include major pharmaceutical companies with patent portfolios containing:
- Formulations of small molecule drugs.
- Novel delivery systems.
- Methods of improving bioavailability.
Patent Term and Lifespan
- Filing date: Typically, the filing date of DK3919048 is around 2019-2020.
- Expiry: Based on Danish patent laws, patent rights last for 20 years from the filing date, likely expiring around 2039-2040.
- Patent term adjustments may apply if patent offices grant extensions for regulatory delays or supplementary protection certificates (not typically common in Denmark).
Infringement Risks and Enforcement
The narrowly defined claims pose a reduced risk of inadvertent infringement. Enforcement depends on:
- Precise claim interpretation.
- Market presence of formulations matching patent specifics.
- Existing licensing agreements or legal challenges.
Key Patent Strategies and Litigation Trends
- Filing parent and divisional applications to maintain broad coverage.
- Opposing or litigating patents that overlap in scope.
- Monitoring active patent litigation in Europe to manage freedom-to-operate risks.
Summary of Patent Claims
| Claim Type |
Coverage |
Limitations |
| Composition Claims |
Specific formulation with active ingredients and excipients |
Particle size, concentration, stability parameters |
| Method Claims |
Manufacturing or administration processes |
Specific steps involved |
| Use Claims |
Therapeutic application for certain diseases |
Disease-specific indications |
Key Takeaways
- DK3919048 protects a specific, well-defined pharmaceutical formulation.
- Claims are moderate in breadth, predominantly focusing on particular physical and chemical parameters.
- The patent landscape includes related filings that could affect freedom to operate.
- The patent term will likely extend until around 2040, unless extensions apply.
- Enforcement hinges on the exact scope of the claims and the similarity of competing formulations.
FAQs
-
Can a competitor develop a slightly different formulation outside the scope of DK3919048 and avoid infringement?
Yes, if the new formulation deviates from the specific parameters claimed, it likely avoids infringement.
-
What is the potential for patent challenge or invalidity?
Prior art references or failure to meet novelty and inventive step criteria could invalidate the patent.
-
Are there licensing opportunities associated with DK3919048?
Yes, licensing can occur if the patent owner seeks commercialization partnerships.
-
Does DK3919048 cover both liquid and solid formulations?
The scope depends on the claim language but often includes specific formulation types as described.
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How do Danish patents relate to European patents?
Danish patents are national rights but can be extended or related to European patent applications for broader coverage.
References
[1] European Patent Office. (2022). Patent search strategies and practices. Retrieved from https://epo.org.
