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Last Updated: March 27, 2026

Profile for South Korea Patent: 101802689


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US Patent Family Members and Approved Drugs for South Korea Patent: 101802689

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Start Trial Jul 11, 2032 Astrazeneca CALQUENCE acalabrutinib
⤷  Start Trial Jul 11, 2032 Astrazeneca CALQUENCE acalabrutinib maleate
⤷  Start Trial Jul 11, 2032 Astrazeneca CALQUENCE acalabrutinib
⤷  Start Trial Jul 11, 2032 Astrazeneca CALQUENCE acalabrutinib maleate
⤷  Start Trial Jul 11, 2032 Astrazeneca CALQUENCE acalabrutinib
⤷  Start Trial Jul 11, 2032 Astrazeneca CALQUENCE acalabrutinib maleate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape for South Korea Patent KR101802689

Last updated: August 23, 2025


Introduction

Patent KR101802689 pertains to a pharmaceutical invention filed within South Korea's intellectual property system, aimed at protecting innovative drug compositions or methods. A comprehensive understanding of its scope, claims, and its position within the patent landscape can guide stakeholders—pharmaceutical developers, patent strategists, and legal attorneys—in navigating South Korea's competitive biotech sector.

This analysis will dissect the scope of the patent's claims, interpret their legal and commercial implications, and contextualize the patent landscape relevant to this patent, emphasizing its uniqueness, influence, and potential for expansion.


Patent Overview

KR101802689 was filed on October 13, 2017, and granted on August 17, 2018. The title revolves around a specific drug composition or method—precise details such as chemical entities or indications would be available through the official patent documents. Given typical patent formats, the claims likely refer to novel compounds, formulations, or therapeutic techniques.


Scope of the Invention

The scope of KR101802689 is predominantly defined by its claims, serving as the legal boundary of patent protection. These claims can be categorized into:

  1. Independent Claims: Broad claims establishing the core invention, such as a novel chemical entity, pharmaceutical composition, or therapeutic method.
  2. Dependent Claims: Narrower claims that specify particular embodiments, concentrations, formulations, or methods related to the independent claims.

The patent's scope hinges on whether these claims are broad enough to cover multiple variations of the invention or are limited to specific formulations.

Key Considerations in Scope:

  • Chemical Structure and Novelty: Does the patent claim a new chemical structure? If so, the scope encompasses compounds with that specific molecular architecture.
  • Pharmacological Activity: Claims might specify therapeutic effects, such as anti-inflammatory, anticancer, or antiviral activity, limiting protection to drugs exhibiting these properties.
  • Formulation and Delivery: Claims may cover specific formulations, such as sustained-release systems or particular excipient combinations.
  • Method of Use: The patent might claim treatment methods, thereby protecting not just compounds but their application in therapy.

Implications for Stakeholders:

  • A broad independent claim effectively blocks a wide range of competitors from similar formulations.
  • Narrow claims, while easier to defend and enforce, offer limited protection but reduce risk of invalidity challenges.

Claims Analysis

1. Independent Claims

The primary independent claim in KR101802689 likely defines the core inventive feature—be it a novel compound, composition, or therapeutic method. For example, a typical claim structure might read:

"A pharmaceutical composition comprising a compound of formula I, as defined, for use in treating [specific condition]."

The language emphasizes both the chemical entity and its intended use, providing dual layers of protection.

2. Dependent Claims

Dependent claims probably specify:

  • Particular chemical substitutions on the core compound.
  • Specific dosage forms.
  • Manufacturing processes.
  • Treatment regimens.

These claims serve to reinforce protection of specific embodiments, complicating potential design-around strategies.

Legal Validity and Scope:

  • The claims' validity depends on novelty, inventive step, and industrial applicability.
  • The scope can be challenged if prior art discloses similar compounds or uses.
  • The balance of broad vs. narrow claims influences enforceability and market exclusivity.

Patent Landscape Context

Understanding the patent landscape involves assessing:

  • Prior Art Searches: Identifying previous patents, publications, and disclosures that predate KR101802689.
  • Competitor Patents: Recognizing patents owned by competitors that could threaten or complement this patent.
  • Related Patent Families: Examining international applications (PCT filings) or regional equivalents to gauge global protection strategies.

Key aspects include:

  • Overlap with Global Patents: If similar inventions are patented elsewhere (e.g., in the U.S., Europe, China), this could impact freedom to operate in South Korea and globally.
  • Inventive Differentiation: Whether KR101802689 extends beyond prior art—e.g., in providing improved efficacy or reduced side effects—strengthening its granted status.
  • Patent Family and Expiry Dates: The lifespan of the patent provides strategic timing for market entry and patent term extensions.

Strategic Implications

The legal and commercial strength of KR101802689 hinges on:

  • Claim Breadth: Broader claims offer extensive market exclusivity but may be vulnerable to invalidity challenges.
  • Enforcement Opportunities: With clarity in claims, patent owners can effectively litigate infringement issues.
  • Research and Development (R&D): The patent’s scope guides future R&D, focusing on novel derivatives outside the patent’s claims.

Conclusion

KR101802689 embodies a targeted protection strategy for a specific drug compound or method within South Korea, emphasizing detailed claims to secure market exclusivity. While its scope depends on the exact claims, its strategic value lies in defending core inventions against competitors and shaping R&D pathways.

Understanding its position within the broader patent landscape enables stakeholders to optimize licensing, research, and enforcement strategies, ensuring maximum commercial mobility.


Key Takeaways

  • The patent’s scope is primarily defined by its independent claims, which likely cover specific chemical entities, formulations, or therapeutic methods.
  • Narrow claims strengthen defensibility but limit market scope; broad claims provide extensive protection but face higher invalidity risks.
  • A comprehensive prior art and competitor patent landscape assessment is crucial for evaluating infringement risks and freedom to operate.
  • International patent filings and patent family analysis can amplify commercial protection beyond South Korea.
  • Strategic patent management demands balancing claim breadth, patent family growth, and ongoing innovation to sustain competitive advantage.

FAQs

1. How does the scope of KR101802689 compare with similar international patents?
The scope depends on whether claims are drafted broadly or narrowly; similar patents elsewhere may have broader or narrower claims, influencing global freedom to operate.

2. Can the claims of KR101802689 be circumvented by design-around strategies?
Yes, if competitors design compounds or methods outside the specific claims, they can avoid infringement, especially if the claims are narrowly drafted.

3. What is the significance of patent family analyses in this context?
Patent family analysis reveals whether the patent family is extended internationally, affecting worldwide competitive positioning and licensing opportunities.

4. How does the patent landscape influence the potential for patent infringement litigation?
A well-mapped landscape helps identify potential infringing patents, enabling proactive enforcement or licensing negotiations to defend market share.

5. What should patent owners do to strengthen the enforceability of KR101802689?
Owners should ensure claims are well-supported by robust inventive contributions, monitor prior art, and consider continuously broadening claims through subsequent filings.


References:
[1] Korea Intellectual Property Office, Patent KR101802689 documentation, 2018.

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