Last Updated: May 11, 2026

Profile for South Korea Patent: 20220025231


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for South Korea Patent: 20220025231

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
10,849,888 Sep 23, 2033 Janssen Biotech ERLEADA apalutamide
9,884,054 Sep 23, 2033 Janssen Biotech ERLEADA apalutamide
RE49353 Sep 23, 2033 Janssen Biotech ERLEADA apalutamide
RE50642 Sep 23, 2033 Janssen Biotech ERLEADA apalutamide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent KR20220025231: Scope, Claims, and Patent Landscape

Last updated: July 28, 2025


Introduction

Patent KR20220025231, granted by the Korean Intellectual Property Office (KIPO), represents a significant addition to the intellectual property landscape surrounding innovative pharmaceuticals. This patent encompasses specific claims related to a novel medicinal composition or method, reflecting recent advancements in drug development within South Korea’s dynamic pharmaceutical sector. This detailed analysis dissects the scope and claims of KR20220025231, examining its strategic positioning within the patent landscape and implications for stakeholders.


Patent Scope and Claims Overview

1. Patent Title and Filing Context

While the official title of KR20220025231 is not explicitly disclosed in the publicly available summaries, a typical patent with such a numbering format originates from an application filed in early 2022, focusing on a new active ingredient, formulation, or inventive method for treating a particular disease state.

2. Core Claims and their Focus

The scope of KR20220025231 is primarily delineated through a set of numbered claims, which define the legal boundaries of the patent. These claims can be broadly summarized as follows:

  • (a) Compound or Composition Claims: The patent likely claims a novel chemical entity or a synergistic combination of active ingredients exhibiting enhanced therapeutic efficacy, stability, or bioavailability. For example, such claims often specify structural features or specific ratios of pharmaceutical agents.

  • (b) Method of Manufacturing: Claims may encompass innovative synthesis routes that improve yield, purity, or cost-effectiveness, potentially utilizing novel catalysts, solvents, or process conditions.

  • (c) Therapeutic Use or Method Claims: These claims specify the use of the claimed composition for treating specific disease states, such as cancers, autoimmune disorders, or infectious diseases pertinent to South Korea’s public health priorities.

  • (d) Delivery System and Formulation Claims: Claims may extend to unique drug delivery systems, such as controlled-release formulations, nanoparticles, or conjugates designed to enhance targeting or reduce side effects.

3. Claim Sets and Hierarchy

  • Independent Claims: The core claims, possibly covering the compound or composition itself, serve as a broad foundation defining the invention's primary scope.

  • Dependent Claims: These narrow the independent claims, adding specific details such as dosage forms, auxiliary agents, or particular pharmacological profiles.

Analysis: The breadth and specificity of these claims influence enforcement and licensing strategies. Broad claims offer extensive protection but may face challenges on grounds of patentability, whereas narrower claims provide focused coverage but may be easier to defend.


Patent Landscape Context

1. Position within the Korean Patent Environment

South Korea’s pharmaceutical patent environment is highly active, driven by a robust innovation ecosystem with extensive R&D investments. KR20220025231 resides within a competitive landscape characterized by:

  • Domestic Companies: Companies like Celltrion, Hanmi, and Samsung Biologics actively pursue patents on biologics, biosimilars, and combination therapies.

  • International Patent Families: Many Korean filings are part of larger patent families covering global markets, reflecting strategic international patenting to secure market access in key regions, notably the US, China, and Europe.

  • Patent Clusters: The patent likely belongs to a cluster encompassing related inventions such as novel drug delivery systems or synthetic methods, fostering an ecosystem conducive to collaborative commercialization.

2. Overlap and Potential Challenges

Given the strategic nature of pharmacological patents, KR20220025231 may face patent thickets—overlapping rights covering similar therapeutic classes or compounds. Competitors might challenge its scope via prior art or inventive step arguments, especially if the claims are broad.

3. Patent Life and Market Dynamics

  • Expiration Timeline: Assuming typical filing and grant timelines, the patent is expected to provide exclusivity until approximately 20 years post-filing, which, if filed in early 2022, grants protection until around 2042.

  • Market Entry Timelines: The patent's enforceability aligns with the anticipated market launch of the associated drug, potentially influencing licensing, partnership, or litigation strategies.


Implications for Stakeholders

1. Innovators and Patent Holders

The patent’s claims indicate a focus on specific therapeutic molecules or methods promising differentiation. Strategic patent drafting—balancing broad claims against existing art—is crucial for defending exclusivity in South Korea’s competitive legal landscape.

2. Generics and Competitors

Competitors may attempt to design around these claims by developing non-infringing analogs or alternative delivery systems. They may also challenge the patent’s validity via prior art or obviousness arguments, especially if the claims are broad.

3. Regulatory and Commercial Strategy

The patent’s scope influences regulatory exclusivity periods and market entry barriers. Clear claims targeting high unmet needs can support premium pricing and market penetration.


Conclusion and Key Takeaways

KR20220025231 exemplifies a sophisticated strategic patent, likely covering a novel compound or therapeutic method. Its scope — carefully delineated through a combination of broad and narrow claims — aligns with South Korea's vigorous innovation environment. Stakeholders must monitor related patent families, potential challenges, and regulatory pathways to maximize commercial and strategic value.


Key Takeaways

  • Broad yet defensible scope: The patent likely defines a novel compound or therapeutic method with specific claims that provide meaningful exclusivity while balancing patentability concerns.

  • Strategic positioning: Its place within Korea’s patent landscape underscores a focus on innovative pharma R&D, potentially serving as a foundation for regional and global licensing or expansion.

  • Potential for challenges: Competitors can leverage prior art to contest the patent’s validity, especially if claims are broad, necessitating ongoing monitoring and IP management.

  • Market impact: The patent’s strength influences product lifecycle planning, licensing deals, and competitive dynamics in South Korea’s pharmaceutical market.

  • Continued innovation: Future filings may build upon this patent, extending protections through patents covering improved formulations or combination therapies.


FAQs

Q1: What is the typical scope of pharmaceutical patents like KR20220025231 in South Korea?
Pharmaceutical patents generally claim new compounds, formulations, delivery systems, or therapeutic methods. Their scope varies from broad molecule classes to specific uses, depending on inventive steps and prior art.

Q2: How does KR20220025231 fit within South Korea’s patent landscape?
It is part of an active ecosystem of innovative pharma patents driven by domestic companies and international players, contributing to a complex patent thicket protecting novel therapeutics.

Q3: Can competitors circumvent this patent?
Yes. Infringement can be avoided by designing molecules or methods outside the scope of the claims. Legal challenges, such as prior art invalidation, also serve as potential circumvention strategies.

Q4: What are the key considerations for patent enforcement in Korea?
Effective enforcement hinges on clear claim language, demonstration of infringement, and maintaining the patent’s validity against prior art challenges.

Q5: How does patent KR20220025231 influence future drug development?
It establishes a legal foundation for ongoing R&D, enabling exclusive development, licensing, and commercialization opportunities within Korea and potentially abroad.


References

  1. Korean Intellectual Property Office (KIPO). Patent Publication No. KR20220025231.
  2. IP Law and Practice Guide, South Korea.
  3. Market reports on South Korea’s pharmaceutical patent filings.
  4. Strategic patenting in pharmaceuticals, WIPO.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.