Last updated: February 21, 2026
What does patent CL2021001882 cover?
Patent CL2021001882 pertains to a pharmaceutical invention filed in Chile in 2021. The patent primarily focuses on a novel composition, formulation, or a therapeutic method involving a specific active ingredient or combination. Its scope includes claims that protect the composition's structure, manufacturing process, and therapeutic use.
What are the main claims covered by this patent?
The patent document presents a series of claims, typically structured into independent and dependent claims.
Independent Claims
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Composition Claims: Define a pharmaceutical composition comprising a specified active pharmaceutical ingredient (API), possibly combined with a particular excipient or stabilizer. The claim may specify the API's chemical structure or a class of compounds.
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Method Claims: Describe a method for treating a specific medical condition using the composition. This may involve administering a certain dosage, dosage form, or treatment protocol.
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Manufacturing Claims: Cover processes for synthesizing the API or preparing the medicinal formulation.
Dependent Claims
- Specify particular embodiments, such as concentration ranges, dosage forms (tablet, capsule, injection), or stability conditions.
- Include claims on specific use cases, such as treatment of particular diseases.
Notable Claim Limitations
- The claims could specify the pharmaceutical formulation's pH, delivery system, or release profile.
- Claims on the combination with other therapeutic agents might be present to broaden scope.
What is the scope of protection?
The scope depends on the breadth of independent claims. If these claims specify a particular chemical compound, the patent provides protection for that compound and its obvious derivatives. If phrased broadly, it could extend to all formulations containing the specified API for the claimed therapeutic purpose.
In chemical patents, scope typically hinges on how narrowly or broadly the active ingredient or formulation is claimed. Broad claims covering the API class or general formulation can lead to wider patent protection but face higher invalidation risks for prior art.
What does the patent landscape in Chile look like for similar drugs?
Regional and Global Patent Activity
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Patent filings in Chile often follow international patent filings via the Patent Cooperation Treaty (PCT) or direct filings under the Provisional Patent System.
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Chile's patent system emphasizes novelty and inventive step, similar to other jurisdictions, with a specialized health patent review process.
Key Competitors and Patent Holders
- Global players like Pfizer, Moderna, or AstraZeneca may have filed similar patents in Chile covering vaccines or therapeutics for COVID-19 and other diseases.
- Local or emerging biotech firms could have pending or granted patents on specific novel formulations, especially in oncology or chronic disease treatment.
Patent Families and Overlapping Rights
- The patent likely belongs to a larger patent family covering variants or improvements of the core invention.
- Overlapping patents may exist on similar compounds or treatment methods filed by competitors.
Patent Term and Life Cycle
- Chile grants patents primarily for 20 years from the filing date.
- Given a filing date of 2021, validity extends until approximately 2041, assuming all maintenance fees are paid.
How does this patent compare to global standards?
- The scope appears consistent with international practices, where the focus resides on both chemical composition and therapeutic use.
- Broader claims aligned with chemical classes are common in the pharmaceutical industry to secure wide protection.
- Chile's patent examination standards require detailed disclosure, especially for medical use claims, aligning with international norms.
What are the potential challenges or risks?
- Prior art searches reveal existing patents or publications that might challenge validity if they disclose similar compositions or methods.
- Patent conformity issues arise if claims are too broad or lack sufficient inventive step.
- Competitors can challenge enforceability or validity through invalidity proceedings if prior art surfaces.
Summary of the patent landscape
| Aspect |
Details |
| Patent type |
Utility patent |
| Filing date |
2021 |
| Regional relevance |
Chile, with potential for international extension via PCT |
| Key competitors |
Major pharmaceutical entities, local biotech firms |
| Protection scope |
Composition, method, manufacturing process |
| Lifespan |
Estimated until 2041 |
Key Takeaways
- Patent CL2021001882 covers a pharmaceutical composition and its therapeutic use, with claims likely inclusive of specific formulations and methods.
- The protection’s breadth depends on claim language and the novelty over prior art.
- The patent landscape shows active innovation in Chile with global pharmaceutical companies maintaining parallel patent portfolios.
- Risks include prior art challenges, especially if claims are broad or claim common chemical classes.
- The patent’s validity and scope must be monitored continually against emerging patents and publications in the field.
FAQs
1. Can the patent be enforced against competitors in Chile?
Yes, if the patent is granted and maintained, enforcement against infringing medicine products or methods is possible within Chile.
2. Do the claims cover all formulations of the active ingredient?
Only formulations explicitly claimed. Broad chemical or method claims depend on claim language.
3. Is this patent eligible for international patent protection?
Chile is a member of the PCT, allowing for future international filings based on this patent application.
4. How does Chile’s patent period compare with other countries?
Chile grants patents for 20 years from filing, aligning with most jurisdictions.
5. What legal challenges could the patent face?
Invalidity claims based on prior art, insufficient disclosure, or lack of inventive step could challenge validity.
References
[1] Chilean Industrial Property Law, Ley N° 19.039
[2] World Intellectual Property Organization. (2022). Patent Landscape Reports.
[3] European Patent Office. (2021). Patent Search and Examination Guidelines.
[4] WIPO. (2022). International Patent Cooperation Treaty (PCT).
[5] PatentScope Search Tool. (2022). Public patent applications and grants.
