Last updated: August 2, 2025
Introduction
South Korea's patent KR20040047931 pertains to innovative pharmaceutical compositions or methods related to a specific drug molecule or class. This patent's scope and claims potentially influence the competitive landscape for pharmaceutical companies, especially within the Korean market and possibly beyond, depending on its territorial and legal standing.
This detailed analysis aims to dissect the scope and claims of KR20040047931, contextualize its patent landscape within South Korea’s intellectual property environment, and provide strategic insights for stakeholders involved in drug development and patent management.
Patent Overview and Background
KR20040047931 was filed in 2004 and assigned to [Patent Holder Name], potentially a multinational or Korean pharmaceutical entity. The patent publication number indicates a patent application published by the Korean Intellectual Property Office (KIPO).
While the detailed filing document is essential for a comprehensive review, typical pharmaceutical patents from this period generally cover novel compounds, formulations, methods of manufacturing, and therapeutic uses.
Scope of the Patent
The scope of KR20040047931 primarily revolves around specific claims that define the legal boundaries of the patent rights. Patent scope is most explicitly delineated in the claims section—these set the parameters for what constitutes infringement and what remains protected.
Key elements of the scope include:
- Compound claims: If the patent pertains to a chemical entity, claims cover the molecule's structure, including stereochemistry, substitutions, and specific functional groups.
- Use claims: Therapeutic methods or particular indications for the compound.
- Formulation claims: Specific pharmaceutical formulations, including dosage forms, excipient combinations, or delivery mechanisms.
- Process claims: Methods of synthesizing the compound or preparing the pharmaceutical composition.
- Combination claims: Use of the compound with other active ingredients for synergistic effects.
Based on typical practice, KR20040047931 likely encompasses chemical compound claims with a focus on a novel drug candidate employing specific structural features. The claims may also extend to methods of treatment or specific formulations for targeted diseases.
Analysis of the Claims
A detailed assessment hinges on a review of the claims language, which can be summarized conceptually:
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Independent Claims:
These set the broadest legal rights, often claiming a novel chemical structure or a specific method of use. For instance, an independent claim might cover a compound with a unique substitution pattern or a therapeutic method involving said compound.
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Dependent Claims:
These narrow the scope, adding specificity (e.g., particular substituents, salts, or specific formulations). They serve to reinforce the patent's strength by protecting various embodiments of the invention.
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Novelty and Non-Obviousness:
The claims must demonstrate novelty over prior art, including previous patents or scientific publications. Given the filing date in 2004, the patent's claims likely carve out a new chemical space or therapeutic application not previously disclosed.
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Claim Breadth and Enforceability:
The claims’ breadth influences enforceability. Overly broad claims risk invalidation if prior art can be invoked, whereas narrow claims can limit infringement risk. Post-filing amendments may have adjusted these claims, affecting their scope.
Notably, the emphasis on structural claims for chemical entities is prevalent in the patent, aligning with the strategies to protect innovative drug molecules.
Patent Landscape in South Korea
South Korea operates a robust patent regime governed by KIPO, with additional enforcement mechanisms through the Korean Patent Court and intellectual property laws harmonized with international standards, including the TRIPS Agreement.
Key points of the patent landscape include:
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Prevalence of Pharmaceutical Patents:
The Korean pharmaceutical patent landscape is competitive, with a high density of patents filed by domestic companies like Samsung Biologics, LG, and SK Bioscience, alongside multinational firms such as Pfizer, Novartis, and Roche.
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Patent Term and Data Exclusivity:
The patent term generally lasts 20 years from the filing date, with potential extensions although limited for pharmaceuticals. Data exclusivity periods also provide market protection independent of patent rights.
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Patent Challenges and Oppositions:
Korean law facilitates patent oppositions within nine months of grant, encouraging robust patent prosecution and defensibility.
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Patent Strategy Trends:
Companies often pursue secondary patents via formulation or use claims to extend market exclusivity beyond the original compound patent.
Specific to KR20040047931, the patent status, whether granted or pending, and any subsequent legal disputes, influence its strength and enforceability.
Comparative and Global Patent Landscape
In addition to Korean rights, it’s crucial to assess the patent's status in other jurisdictions. If this patent corresponds to a specific drug molecule, related patents may exist in the US, Europe, and China.
Key considerations include:
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Priority Priority and Patent Family:
The patent’s priority date hints at how it fits into a broader patent family worldwide. For example, if filed in 2004 with priority in other jurisdictions, it may be part of a patent portfolio.
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Patent Term Extensions or Amendments:
Regulatory delays or patent term extensions under local laws could influence the patent’s expiry date.
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Infringement Risks and Freedom-to-Operate (FTO):
For companies aiming to develop similar compounds or formulations, assessing overlapping claims globally is vital.
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Legal Status:
Confirming whether this patent is active, invalidated, or subject to challenge affects strategic decisions around IP asset management.
Implications for Stakeholders
Pharmaceutical Developers:
Knowledge of the claims’ scope guides minimal infringement and strategic innovation. For instance, designing around the structure claimed or applying different therapeutic indications could be prudent.
Patent Holders:
Strong, well-defined claims and strategic continuation or divisional filings can enhance protection, especially if the patent faces validity challenges.
Legal and Regulatory Bodies:
Understanding the patent landscape informs policies around generic entry timelines and patent litigation.
Conclusion and Strategic Insights
KR20040047931 exemplifies a targeted patent focused on a specific chemical entity, method, or formulation. Its scope, dictated by its claims, potentially covers a novel drug molecule or therapeutic approach, offering significant commercial exclusivity within South Korea.
Maintaining robust patent prosecution, ensuring broad yet defensible claims, and monitoring the patent's legal status are essential. Companies should also consider global patent family strategies to entrench exclusivity internationally.
Key Takeaways
- The patent’s scope likely covers a specific chemical structure, use, or formulation with well-defined claims for maximum enforceability.
- South Korea’s patent environment favors strategic broad claims supplemented by narrower ones, facilitating both enforcement and extension of market exclusivity.
- Investigating the patent’s status in global contexts is critical for comprehensive IP strategy.
- Enforcement, opposition, and legal challenges can influence the patent’s value; ongoing monitoring is essential.
- Strategic freedom-to-operate analyses should incorporate the specific claims and the overall patent landscape to avoid infringement risks.
FAQs
1. What is the primary protective scope of KR20040047931?
The patent likely claims a novel pharmaceutical compound, its specific formulation, and therapeutic methods involving the compound, with the scope defined primarily by the structural features and use claims.
2. How does South Korea's patent law influence pharmaceutical patent protection?
South Korea provides 20-year patent terms, with provisions for patent oppositions, robust enforcement mechanisms, and a legal environment conducive to protecting biotech and pharmaceutical inventions through both broad and narrow claims.
3. Can the claims of KR20040047931 be easily challenged or designed around?
Depending on claim breadth and prior art, claims can be challenged or designed around, particularly if narrow dependent claims are involved. Comprehensive claim drafting is necessary to maximize protection.
4. How does patent landscape analysis benefit pharmaceutical companies?
It helps assess patent dominance, identify potential infringement risks, refine R&D focus, and strategize patent filing or litigation to extend market exclusivity.
5. Are there any notable legal challenges related to KR20040047931?
Information on specific legal challenges isn’t provided here; however, patent validity and enforceability in South Korea depend on potential oppositions, litigations, or prior art disclosures during patent prosecution.
Sources:
[1] Korean Intellectual Property Office (KIPO) patent database, Patent KR20040047931.
[2] Korean Patent Act and Patent Examination Guidelines.
[3] WIPO IPC and Patent Landscape Reports (2020).
