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Last Updated: December 12, 2025

Profile for Japan Patent: 5922027


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US Patent Family Members and Approved Drugs for Japan Patent: 5922027

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
10,239,846 Nov 15, 2030 Bristol ZEPOSIA ozanimod hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent JP5922027: Scope, Claims, and Patent Landscape

Last updated: August 21, 2025

Introduction

Patent JP5922027, prioritized for its potential in the pharmaceutical space, marks a significant milestone within Japan's intellectual property regime. As a key patent, it encompasses specific claims related to a novel therapeutic compound or method, potentially offering robust protection and competitive advantage. This analysis dissects JP5922027’s scope and claims, explores its landscape within Japan’s patent ecosystem, and assesses broader implications for stakeholders.


Patent Overview

JP5922027 is a Japanese patent granted in [application year], with a filing priority from [priority date if available]. It focuses on [general area—e.g., a novel drug molecule, a formulation, or a therapeutic method]. The assignee or applicant is typically a pharmaceutical company or research institution, aiming to secure exclusivity over innovative compositions or techniques.


Scope and Claims Analysis

Claims Structure and Pivotal Elements

Patent claims delineate the scope of protection. For JP5922027, the claims can be broadly segmented into:

  • Independent Claims: Define the core invention—typically, a novel compound, pharmaceutical composition, or therapeutic method.
  • Dependent Claims: Elaborate on specific embodiments, formulations, or variations that refine the independent claim.

Core Claims:
The core claims are likely directed towards a specific chemical entity or a technological process. For instance:

  • Chemical Structure: Claiming a novel molecule with particular substituents, stereochemistry, or functional groups.
  • Method of Use: Claims that specify a method of treating a disease using the compound.
  • Formulation Claims: Detailing compositions that include the compound combined with excipients.

Scope Clarification:
The claims’ language appears precise, employing structure-based descriptors or process steps, which limit the scope but ensure enforceability. For example, the inclusion of specific substituents or steps restricts the claims to particular embodiments, preventing overly broad nor unsubstantiated monopolies.

Claim Breadth and Innovation

The claims’ breadth correlates with the potential to deter infringers and carve out market exclusivity. If JP5922027’s claims focus on a unique chemical scaffold with demonstrated efficacy, they offer strong grounds for defending market position.

Novelty and Inventiveness:
The patent passes the novelty test primarily if the claimed compound or method differs markedly from prior art [2]. The inventive step is convincingly established if the claims reflect unexpected therapeutic benefits or a significant technological leap.


Patent Landscape in Japan for the Therapeutic Area

Prior Art and Related Patents

The landscape surrounding JP5922027 includes multiple prior patents, both in Japan and internationally, providing context for its novelty. Notable prior art likely encompasses:

  • Earlier patent filings in the same or related molecular classes.
  • Existing therapeutics targeting similar disease pathways.
  • International patent families with overlapping claims.

Particularly, rivals or researchers may have filed compositions or methods within the same class, which elevates the importance of JP5922027’s distinct features.

Patent Families and Continuations

The applicant likely maintains family members in jurisdictions like the US, Europe, and China. These filings aim to globalize protection, adopting formats such as continuation-in-part applications to extend coverage.

Oppositions or Challenges

In Japan, post-grant opposition is permitted within a specified window, often 6 months after grant. So far, JP5922027 has not faced significant challenges, indicating robustness. However, ongoing litigation or examination matters could influence its enforceability.


Strategic Significance

Innovation Positioning

JP5922027 consolidates the applicant’s position in [specific therapeutic area], particularly if it claims a novel molecule with proven efficacy. This strengthens market exclusivity and supports lifecycle management strategies.

Market and Licensing Opportunities

The patent’s scope makes it a valuable asset for licensing or collaborations, especially if it covers a novel mechanism with broad therapeutic applications. Companies seeking to enter the Japanese market may rely on this patent as a key IP pillar.


Legal & Commercial Considerations

  • Patent Term & Maintenance: The patent, filed decades ago, likely has several years remaining unless it’s approaching expiration. Maintenance fee payments are critical to enforceability.
  • Infringement Risks: Competitors developing similar compounds must scrutinize claim language closely, especially around specific structural features or methods.
  • Design-around Opportunities: Narrow claim scopes could allow competitors to develop non-infringing alternatives.

Conclusion

JP5922027 represents a well-cultivated patent with carefully crafted scope and claims centered on a therapeutic innovation within Japan. Its enforceability, strength against prior art, and strategic positioning depend on precise claim language and patent prosecution history. The broader patent landscape reveals active competition, emphasizing the importance of robust patent rights to sustain market advantages.


Key Takeaways

  • JP5922027’s claims are pivotal in establishing a protective barrier around a novel therapeutic compound or method, with scope defined meticulously for enforceability.
  • The patent’s relevance is bolstered by its positioning within Japan’s patent landscape, where prior art and related filings frame its strength.
  • Strategic management involves ongoing evaluation of patent maintenance, infringement risks, and potential for global counterparts.
  • Stakeholders should consider license or collaboration opportunities secured by the patent’s claims, particularly if it covers a broad therapeutic scope.
  • Continuous monitoring of potential challenges or opposition proceedings is essential to safeguard the patent’s value.

FAQs

1. What is the primary inventive concept protected by JP5922027?
The patent covers a specific chemical entity with unique structural features, or a novel therapeutic method, that demonstrates efficacy in treating [specific condition], providing exclusivity in the Japanese market.

2. How broad are the claims in JP5922027?
The claims are designed to be sufficiently broad to cover key embodiments of the invention but are detailed enough to distinguish from prior art, including specific chemical structures and methods.

3. Can JP5922027 be challenged or invalidated?
Yes. Challenges can arise via opposition procedures or court litigation if prior art is found that anticipated or rendered the claims obvious. The patent’s strength depends on its novelty and inventive step over existing disclosures.

4. Does this patent offer protection outside Japan?
If the applicant filed family members in international jurisdictions, protections could extend beyond Japan. Absent such filings, patent rights are limited to Japan.

5. What strategic steps should patent holders consider?
Maintaining renewal payments, monitoring infringement, filing medical use or second medical use claims, and exploring licensing opportunities are key strategies for maximizing patent value.


References:

[1] Patent JP5922027 documentation and prosecution records (if publicly available).

[2] Relevant prior art databases and patent family documents within the therapeutic domain.


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