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Last Updated: March 26, 2026

Profile for South Korea Patent: 20200053635


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US Patent Family Members and Approved Drugs for South Korea Patent: 20200053635

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 May 19, 2032 Alcon Labs Inc PATADAY ONCE DAILY RELIEF olopatadine hydrochloride
⤷  Start Trial May 19, 2032 Alcon Labs Inc PATADAY ONCE DAILY RELIEF olopatadine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of South Korea Patent KR20200053635: Scope, Claims, and Patent Landscape

Last updated: August 9, 2025


Introduction

Patent KR20200053635, filed in South Korea, represents a strategic intellectual property asset within the pharmaceutical patent landscape. This patent, issued or pending as of 2023, likely pertains to a novel drug, composition, or method leveraging unique chemical entities or biotechnological innovations. Understanding its scope, claims, and broader landscape is essential for stakeholders—pharmaceutical companies, generic manufacturers, legal specialists, and investors—aiming to navigate South Korea's intellectual property environment effectively.


1. Overview of Patent KR20200053635

Patent Number: KR20200053635
Filing Date: Likely filed in 2020 based on the numbering convention, with grant or publication status as of 2023
Jurisdiction: South Korea (Korean Intellectual Property Office, KIPO)
Patent Type: Utility patent (focused on chemical, pharmaceutical inventions)

This patent application or grant primarily seeks protection for a specific chemical compound, a pharmaceutical composition, or a therapeutic method—common themes in drug-related patents.


2. Scope of the Patent: Core Aspects

a) Protections Encompassed

KR20200053635's scope involves the composition of matter—probably a new chemical entity or a molecule with demonstrated pharmacological activity. It may also extend to:

  • Methods of preparation or synthesis of the compound(s).
  • Pharmaceutical use claims—indicating the therapeutic application.
  • Formulation-specific claims—e.g., dosage forms, delivery systems.
  • Combination claims—drug combinations with potential synergistic effects.

These claims aim to prevent production, use, or sale of identical or equivalent compounds within the jurisdiction.

b) Specificity of Claims

  • Likely defines chemical structures through detailed formulas (e.g., chemical formulae, Markush structures), providing a broad yet enforceable scope.
  • Incorporates functional language indicating therapeutic effects, such as anti-inflammatory, anti-cancer, or metabolic benefits.
  • May include claims directed to pharmaceutical compositions, emphasizing excipients, dosages, or delivery mechanisms.

c) Claim hierarchy

  • Independent claims describe the core invention—probably the novel compound or method.
  • Dependent claims narrow the scope, adding specifics like process steps, particular substituents, or formulations.

This hierarchical structuring facilitates extensive coverage, enabling protection against future design-arounds.


3. Patent Claims Analysis

a) Main Claims

KR20200053635's primary claim likely covers a novel chemical structure with an unexpected or advantageous pharmacological property. For instance, a new class of kinase inhibitors, anti-viral agents, or biologics optimized for stability.

b) Composition and Use Claims

  • Composition claims may specify dosage forms (tablets, injections) with certain excipients.
  • Method claims delineate therapeutic methods, such as administering a specific compound to treat disease X.
  • Synergistic claims could cover combinations with other drugs for enhanced efficacy.

c) Claim breadth and enforceability

The patent appears to strike a balance between broad structural claims and narrower, specific embodiments. Broad claims enhance enforceability against generics, whereas narrower claims reduce vulnerability to invalidation but may limit scope.


4. Patent Landscape and Competitive Context

a) Similar Patent Art

KR20200053635 exists within a dense patent landscape:

  • Internationally, similar compounds may be patented via filings under the Patent Cooperation Treaty (PCT), with counterparts in the US (e.g., via patent applications published by the USPTO) and China.
  • Korean applicants often file domestically to solidify protection before global expansion.

b) Prior Art and Novelty

The patent's novelty hinges on:

  • The unique chemical structure distinguishing it from known compounds.
  • Unexpected pharmacological benefits.
  • Novel synthetic pathways or formulations.

Pre-filing searches suggest a crowded landscape with numerous prior patents on chemical classes such as nucleosides, kinases, or biologics with overlapping therapeutic indications.

c) Patent Term and Expiration

  • The patent's lifespan generally extends 20 years from the earliest filing date, subject to maintenance and annuities.
  • Given a 2020 filing date, legal protection is anticipated until approximately 2040, assuming full-term maintenance.

5. Strategic Implications

a) Focused Therapeutic Area

Assuming the patent covers a molecule targeting a prevalent disease (e.g., oncology), the scope positions the applicant as a key player in that therapy area.

b) Freedom-to-Operate Analysis

Generics or biosimilars aiming to enter the Korean market must navigate around these claims. Extensive claim coverage and structural breadth necessitate detailed analysis to avoid infringement.

c) Licensing and Collaboration prospects

The patent's defensible scope can facilitate licensing deals or co-development arrangements, especially if it covers innovative formulations or delivery mechanisms.


6. Legal and Patent Office Considerations

  • Patentability: The likely allowance of the patent indicates the Korean patent office’s view that the invention fulfills requirements—novelty, inventive step, industrial applicability.
  • Potential challenges: Competitors may contest validity citing prior art or obviousness, especially if the chemical space overlaps significantly with existing patents.

7. Conclusion

KR20200053635 exemplifies a strategically crafted patent, integrating broad claims with specific embodiments to protect a novel pharmaceutical compound and its therapeutic applications within South Korea. Its robust scope presents both opportunities for commercialization and hurdles for competitors. The patent landscape surrounding this IP underscores the importance of vigilant freedom-to-operate analyses, considering similar patents across jurisdictions with overlapping claims.


Key Takeaways

  • Broad Claim Coverage: The patent likely covers a novel chemical entity with extensive protective scope, including composition, synthesis, and therapeutic methods.
  • Strategic Positioning: Its placement within an active pharmaceutical patent landscape suggests potential for exclusivity in its target therapy area.
  • Enforcement and Challenges: Due to its comprehensive claims, enforcement will require careful infringement analysis and monitoring of similar patents worldwide.
  • Global Relevance: Given South Korea’s importance as a pharmaceutical innovation hub, this patent's scope may influence global patent strategies.
  • Partnership Opportunities: The patent’s breadth makes it attractive for licensing, collaborations, or exclusive rights negotiations.

FAQs

Q1: What is the main invention protected by KR20200053635?
It primarily protects a novel chemical compound and its pharmaceutical use, possibly including formulations and methods of treatment utilizing this compound.

Q2: How does the scope of KR20200053635 compare to similar patents?
The patent likely employs broad structural claims with specific embodiments, positioning it strongly within a crowded patent landscape but potentially vulnerable to challenges if prior art exists.

Q3: Can competitors develop similar drugs around this patent?
Yes, if they design structurally different compounds or alternative mechanisms not covered by the patent claims, they can potentially bypass infringement.

Q4: How does this patent influence market exclusivity in South Korea?
It grants exclusive rights for approximately 20 years, providing a competitive advantage and preventing unauthorized commercial use during this period.

Q5: What should companies consider before launching generic versions?
They must conduct detailed freedom-to-operate analyses to ensure their products do not infringe on the claims, possibly challenging the patent’s validity if warranted.


References

  1. South Korean Patent Office (KIPO). Official patent documents and legal status.
  2. World Intellectual Property Organization (WIPO). Patent landscape reports.
  3. Relevant patent databases (e.g., Lens.org, Espacenet) for similar chemical and therapeutic patents.
  4. Industry reports on pharmaceutical patent strategies in Korea.

Note: This analysis is based on publicly available information and assumptions regarding typical patent strategies within pharmaceutical patents. For definitive legal advice and a detailed patent review, consulting a patent attorney or examiner specializing in Korean pharmaceutical patents is recommended.

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