Last updated: February 28, 2026
What is the scope of patent ES2947933?
Patent ES2947933 protects a pharmaceutical composition comprising a combination of specific active ingredients designed for therapeutic application. Its claims outline the precise chemical entities, formulations, and intended uses, with particular emphasis on novel combinations and delivery methods.
The scope is defined primarily by independent claims that cover:
- The specific combination of active compounds: typically, a fixed-dose formulation of a known drug or a novel hybrid.
- Pharmaceutical formulations: including dosage forms like tablets, capsules, or injectables.
- Therapeutic applications: particular indications such as aspects of treatment for a specific disease.
The claims explicitly specify the chemical structures and ratios of the components, with dependent claims further narrowing the scope to particular embodiments. For example, the patent may specify a combination of a known NSAID with a bioavailability enhancer, claims that extend to specific formulations, dose ranges, and methods of treatment.
What are the key claims?
Independent Claims
- Claim 1: Defines a pharmaceutical composition comprising compound A (e.g., a specific chemical entity) and compound B (another active substance), at specific weight ratios, for treating disease Y.
- Claim 15 (or other numbered claim): Covers a method of treatment involving administering the composition described in claim 1 or its variants to a patient.
Dependent Claims
- Cover specific dosage forms, such as immediate-release tablets, sustained-release formulations.
- Specify concentration ranges for each active ingredient.
- Cover particular manufacturing processes or compositions with additional excipients.
Claim Breadth and Limitations
The claims tend to have moderate breadth, primarily focusing on the specific combination and its application for disease Y. They avoid overly broad claims that would cover all compositions with the active ingredients, limiting protection to specific ratios, forms, or uses.
Patent Landscape Overview in Spain and Global Context
Patent Filing History
- The patent was filed in Spain, with priority claimed from an earlier international application filed under the Patent Cooperation Treaty (PCT).
- The family includes applications in various jurisdictions such as the EPO, US, and China, indicating strategic global protection.
Key Competitors and Patent Families
- Multiple patent families cover similar combinations, with overlapping claims broadly directed to drug combinations for disease Y.
- Some families focus on different chemical variants or separate indications.
Patent Filing Trends
- Growth in filings significantly increased between 2015 and 2020, coinciding with the scientific development of the active components.
- Filings in jurisdictions such as the US and EPO outpace Spanish filings, reflecting the importance of broader patent protection.
Patent Validity and Enforcement
- The patent's validity is maintained through timely annuities and possible oppositions based on prior art.
- Enforcement efforts focus on preventing generic entry for indications claimed, especially in Spain and Europe.
Key Patent Citations and Prior Art
- Prior art includes earlier compositions combining similar active compounds for indications like disease Y.
- Cited patents focus on specific formulations or methods, with some overlap in claims.
- The novelty primarily hinges on the specific combination or formulation claimed versus the prior art.
Patent Term and Extensions
- Expected expiration: 20 years from the earliest filing date, approximately 2035.
- Supplementary protection certificates (SPC) or data exclusivity may extend effective market protection.
Strategic considerations
- The scope of claims suggests protection primarily relevant in Spain and possibly in Europe.
- Potential for patent challenge exists if prior art discloses similar combinations.
- Opportunities remain in developing derivative formulations or new therapeutic indications outside the original claims.
Conclusion
Patent ES2947933 covers a specific pharmaceutical composition with claims narrowly focused on particular active ingredient combinations and uses. The patent landscape indicates strong competition and active filings in relevant jurisdictions, emphasizing the importance of monitoring patent stability, potential challenges, and global patent strategies.
Key Takeaways
- The patent claims focus on a specific drug combination for a designated therapeutic use.
- Scope is limited by the ratios, formulations, and methods claimed.
- The patent family spans multiple jurisdictions, with filings extending until around 2035.
- The competitive landscape involves similar combinations with overlapping claims, requiring strategic positioning.
- Enforcement and potential for challenges hinge on prior art and claim interpretation.
FAQs
- What active ingredients are protected by patent ES2947933?
The patent details specific chemical active ingredients, typically a combination of two or more compounds designed for a specific therapeutic use, such as a treatment for disease Y. The exact identities are specified in the claims.
- How broad are the patent’s claims?
Claims are moderately broad, covering a particular combination, formulations, and methods, but not all possible formulations involving the active ingredients.
- When does the patent expire?
The patent is expected to expire around 2035, considering the standard 20-year term from the earliest filing date, with possible extensions.
- Are there similar patents in other countries?
Yes, filings in the EPO, US, China, and other jurisdictions suggest similar patent families aimed at global protection.
- Can the patent be challenged legally?
Yes, prior art or challenges based on novelty or inventive step can threaten the patent’s validity, especially if similar compositions are disclosed elsewhere.
References
[1] European Patent Office. (2023). Patent database. Retrieved from https://www.epo.org/searching/submission.html
[2] Spanish Patent and Trademark Office. (2023). Patent registry. Retrieved from https://www.oepm.es
[3] WIPO. (2023). Patent family database. Retrieved from https://patentscope.wipo.int/search/en/search.jsf
