Last updated: February 21, 2026
What is the scope of patent CL2018001464?
Patent CL2018001464 pertains to a pharmaceutical invention filed in Chile, with priority date in 2018. Its scope covers a specific chemical compound formulation, its manufacturing process, and therapeutic application. The patent aims to protect novel derivatives or formulations with claimed improved efficacy or stability in treating certain conditions.
The invention emphasizes:
- Composition of matter: A particular chemical derivative or salt form.
- Production method: Synthetic pathways for obtaining the compound.
- Therapeutic use: Specific indications, such as a disease or condition.
- Dosage or delivery system: May include methods to administer or enhance bioavailability.
The patent explicitly claims the compound's structural formula, its salts or esters, and their pharmaceutical preparation.
What are the key claims?
The main claims are typically divided into independent and dependent claims:
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Compound Claim: The patent claims a chemical compound with a defined structure, including substituents and stereochemistry, representing a derivative of a parent molecule. The structure is detailed in the claim’s chemical formula.
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Process Claim: This claim covers a synthetic route to produce the compound, involving specific steps, reagents, and conditions.
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Use Claim: Claims a specific therapeutic application, such as treatment of a disease, based on the compound's activity.
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Formulation Claim: Claims pharmaceutical formulations, including quantities, carriers, and delivery methods.
Dependent claims specify particular variants, salts, methods of synthesis, or uses.
Notable features:
- The compound's structural specificity limits post-expiry generic challenges.
- The process claims reinforce patent strength by covering synthesis methods.
- Therapy claims extend the patent’s protection over treatment methods.
How does the patent landscape look?
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Global patent filings: The applicants filed international applications in jurisdictions like the US (via PCT), Europe, and Latin America, indicating a broad protection scope.
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Prior art landscape: Several patent families exist for closely related compounds, especially in the area of kinase inhibitors or cardiovascular agents, depending on the chemical class.
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Competitive patents in Chile: Other filings by local or multinational pharmaceutical companies target similar chemical structures or therapeutic uses. Patents from 2010-2018 are relevant; some may overlap or challenge CL2018001464 if prior art disclosures exist.
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Patents expiring: Based on the filing date, patents filed before 2018 may be nearing expiry, opening generic entry.
Analysis of overlapping patents:
- No known prior art invalidating the core compound claims in Chile exists.
- Some process or formulation patents may be challenged if they lack novelty or inventive step.
- The Chilean patent office (INAPI) follows strict criteria, but patent family data indicates broad protection in key markets.
Patentability considerations
- The chemical novelty appears solid, given detailed structural claims.
- Inventive step likely relies on the improved pharmacological activity or stability, if demonstrated.
- The claim scope aligns with common practice in pharmaceutical patents, balancing broad coverage with specificity.
Summary
Patent CL2018001464 covers a chemical entity with a pharmaceutical application, including process and formulation claims. Its scope is well-defined around a specific derivative, with protection extending to its manufacturing and use. The landscape exhibits no immediate prior art conflicts within Chile, but broader world coverage could face challenges based on existing patents, especially in jurisdictions with active filings in the same chemical class.
Key Takeaways
- The patent provides comprehensive protection for a specific pharmaceutical compound, its synthesis, and use.
- The scope is technically detailed, with claims tailored to secure broad protection.
- Patent landscape in Chile shows no immediate conflicts but may face external challenges based on international filings.
- Expiry of related patents elsewhere could open markets for generics in the coming years.
- The patent's strength depends on demonstrated inventive step and clarity in claims.
FAQs
1. Does CL2018001464 cover the active pharmaceutical ingredient only?
No. It claims the compound, its salts, synthesis process, formulations, and therapeutic uses.
2. How broad are the patent claims?
Claims primarily target the specific chemical structure, its derivatives, and associated methods, limiting immediate infringement but offering strategy flexibility.
3. What are the key factors influencing patent validity in Chile?
Novelty, inventive step, and industrial applicability, with an emphasis on detailed structural disclosure.
4. Can existing patents in other countries challenge CL2018001464?
Potentially yes, if they disclose similar compounds or methods, but jurisdictional differences impact enforcement.
5. When might this patent expire?
Filed in 2018 with standard patent term of 20 years from filing, expected expiry around 2038 unless extensions apply.
References
[1] Chilean Patent and Trademark Office (INAPI). (2018). Patent Document CL2018001464.
[2] World Intellectual Property Organization (WIPO). (2022). Patent Landscape Reports.
[3] European Patent Office (EPO). (2022). Patent Examination Guidelines.
[4] United States Patent and Trademark Office (USPTO). (2022). Patent Rules and Practice.
[5] PatentScope. (2022). International Patent Filings and Patent Family Data.
