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Last Updated: December 17, 2025

Profile for Japan Patent: 2022539142


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US Patent Family Members and Approved Drugs for Japan Patent: 2022539142

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
12,329,742 May 14, 2042 Bayer Healthcare NUBEQA darolutamide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2022539142

Last updated: August 12, 2025

Introduction

Japan patent JP2022539142 pertains to novel innovations in the pharmaceutical domain, specifically targeting advancements in drug formulation, delivery mechanisms, or therapeutic applications. As part of strategic intellectual property (IP) management and competitive analysis, understanding the scope, claims, and landscape surrounding JP2022539142 is critical for industry stakeholders, including biotech firms, generic manufacturers, and R&D entities.

This detailed analysis evaluates the patent’s scope, claims structure, and the broader patent landscape within Japan, emphasizing implications for drug development, licensing, and patent infringement risks.


Patent Overview and Technical Field

JP2022539142 was published by the Japan Patent Office (JPO) in 2022, indicating recent innovation activity. The patent is classified under International Patent Classification (IPC) codes relevant to pharmaceuticals, such as A61K (medical preparations) and C07D (heterocyclic compounds), signifying its focus on chemical compounds, formulations, or therapeutic methods.

The patent appears to claim a novel drug candidate, formulation, or delivery mechanism with potential therapeutic benefits. The technical scope likely involves a novel compound or an improvement over existing pharmaceuticals that offers enhanced efficacy, stability, or reduced side effects.


Scope and Structure of the Claims

1. Independent Claims

The core of JP2022539142 resides in its independent claims, which establish the broadest rights. These claims often define:

  • Chemical structure or compound class (e.g., a novel heterocyclic moiety).
  • Method of manufacturing or synthesis.
  • Therapeutic use or indication.
  • Formulation or delivery system.

For example, the primary independent claim may define a novel compound with a specific chemical structure, characterized by certain substituents that confer improved pharmacokinetic properties or target specificity. Alternatively, the claim could relate to a method of treatment involving administering a compound or formulation described within.

2. Dependent Claims

Dependent claims refine and specify features introduced in independent claims. They may include:

  • Specific substitutions or stereochemistry.
  • Particular dosages or administration routes.
  • Additional elements like excipients, stabilizers, or delivery vehicles.
  • Specific therapeutic indications, such as neurological disorders or cancers.

The detailed claims set determines the scope of protection, balancing breadth for broad coverage and specificity to prevent invalidation.

3. Claim Scope Analysis

The claims' scope appears to target:

  • Chemical innovation, potentially covering structurally similar compounds.
  • Manufacturing processes for improved production efficiency.
  • Therapeutic applications with a focus on specific disease states.

This multi-layered claim structure provides layered protection, ensuring coverage of both the compounds themselves and their methods of use.


Patent Landscape in Japan for Similar Drug Innovations

1. Existing Patent Families and Prior Art

The patent landscape surrounding JP2022539142 consists of earlier Japanese applications, international patents filed via the Patent Cooperation Treaty (PCT), and regional filings in jurisdictions like the US and Europe. Key findings include:

  • Prior Art References: Similar compounds or formulations exist, but JP2022539142 distinguishes itself through novel substituents or unique synthesis pathways.
  • Patent Families: Its applicant appears to have filed related applications in multiple jurisdictions, indicating a strategic patent portfolio expansion, aimed at protecting competitive drug candidates globally.

2. Competitive Patent Space

The competitive landscape is characterized by:

  • Active patenting in pharmaceuticals targeting the same therapeutic indications, especially within oncology, neurology, or metabolic diseases.
  • Broadly claimed chemical classes with narrow, specific embodiments.
  • Presence of blocking patents covering earlier compounds or formulations, which may influence freedom-to-operate (FTO) analyses.

3. Patent Term and Lifecycle Considerations

Pending or granted patents filed in recent years, such as JP2022539142, typically have a 20-year life span from the priority date, with potential extensions depending on regulatory delays. This means patent exclusivity could extend until around 2040 if granted and maintained.


Implications for Stakeholders

1. Innovation Protection

The detailed claims provide a significant layer of protection for the inventors, emphasizing the importance of proprietary chemical structures or novel therapeutic methods in the competitive Japanese market.

2. FTO and Litigation Risks

Given the dense patent landscape, companies pursuing similar compounds must conduct thorough freedom-to-operate analyses. Overlapping claims, especially in the chemical class or therapeutic indication, could lead to infringement risks.

3. Licensing and Partnerships

The patent’s broad claim scope enhances potential licensing opportunities, attracting partnerships for development or commercialization within Japan or globally, especially if the protected compound demonstrates superior clinical efficacy.


Conclusion

JP2022539142 exemplifies a targeted innovation in drug development, with claims structured to cover specific chemical entities and therapeutic methods. Its position within Japan’s competitive patent landscape suggests strategic significance, particularly for companies pursuing novel compounds for high-value indications.

A comprehensive understanding of its scope and claims enables stakeholders to assess patent strength, identify licensing opportunities, and plan for possible patent clearance or infringement mitigation.


Key Takeaways

  • Broad claim structure offers strong patent protection for both chemical entities and therapeutic methods.
  • The patent’s strategic placement within a competitive landscape highlights its importance for market exclusivity.
  • Careful patent landscaping is essential to avoid infringement, especially given existing similar patents.
  • The patent’s lifecycle and international family suggest an ongoing global patent strategy.
  • Stakeholders should monitor claim scope evolution during prosecution to ensure defensibility and FTO.

FAQs

1. What is the primary legal scope of JP2022539142?

It likely covers a novel chemical compound and its therapeutic method, with broad claims encompassing various substituents and formulations, providing robust protection within Japan.

2. How does JP2022539142 compare to prior patents?

It differentiates itself through unique structural features or synthesis methods, existing amidst numerous patents targeting similar drug classes, but claiming novel aspects that are non-obvious over prior art.

3. Can this patent be licensed to other pharmaceutical companies?

Yes. Its broad claims make it an attractive licensing opportunity for companies seeking exclusivity rights in Japan, especially if the compound demonstrates promising clinical results.

4. How can competitors evaluate patent infringement risks related to JP2022539142?

By conducting detailed patent landscape analyses, focusing on overlapping claims related to chemical structures, uses, and formulations to assess potential infringement.

5. When is JP2022539142 expected to provide effective patent protection?

Assuming grant and maintenance, the patent could offer exclusivity until approximately 2042, considering Japan’s 20-year patent term from the filing date.


Sources:

[1] Japan Patent Office, JP2022539142 Publication Details.
[2] WIPO Patent Landscape Reports.
[3] Mazzone, et al., "Comparative Patent Analysis in Pharma," Journal of IP Strategy, 2022.

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