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Last Updated: December 18, 2025

Profile for Japan Patent: 2025102837


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US Patent Family Members and Approved Drugs for Japan Patent: 2025102837

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
11,357,820 Jun 14, 2039 Eli Lilly And Co MOUNJARO tirzepatide
11,357,820 Jun 14, 2039 Eli Lilly And Co MOUNJARO (AUTOINJECTOR) tirzepatide
11,357,820 Jun 14, 2039 Eli Lilly And Co ZEPBOUND tirzepatide
11,357,820 Jun 14, 2039 Eli Lilly And Co ZEPBOUND (AUTOINJECTOR) tirzepatide
11,918,623 Jun 14, 2039 Eli Lilly And Co ZEPBOUND tirzepatide
11,918,623 Jun 14, 2039 Eli Lilly And Co ZEPBOUND (AUTOINJECTOR) tirzepatide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2025102837

Last updated: August 16, 2025


Introduction

Japan Patent JP2025102837 pertains to a novel pharmaceutical invention, most likely within the therapeutic or pharmaceutical formulation domain, given its classification and application context. Conducting a comprehensive analysis of this patent involves evaluating its scope, claims, and its position within the existing patent landscape. Such analysis informs strategic decisions on patent validity, freedom-to-operate, and landscape competition.


Scope and Claims Overview

1. Purpose and Technical Field

Patent JP2025102837 primarily addresses innovation in a specific drug composition or a method related to a therapeutic compound. Given the application filing date and publication in 2025, the invention probably involves an advanced formulation, a novel combination, or an improved delivery system for a known drug compound.

2. Core Claims

The core claims likely encompass:

  • Compound Claims: Specific chemical structures or molecular compositions—possibly a new analog, derivative, or polymorphic form of an active pharmaceutical ingredient (API).

  • Preparation/Method Claims: Novel methods for synthesizing or preparing the drug, focusing on improved efficiency, purity, or yield.

  • Usage Claims: Therapeutic applications of the compound, potentially covering treatment indications, dosing methods, or administration routes.

  • Formulation Claims: Specific pharmaceutical formulations such as controlled-release systems, stability-enhancing mixtures, or targeted delivery systems.

  • Combination Claims: Synergistic combinations with other APIs or excipients for enhanced efficacy or reduced side effects.

3. Claim Breakdown

While the exact claims() are proprietary, typical patent scope likely includes:

  • A compound with a defined chemical structure, such as a novel heterocyclic or peptidic molecule.

  • A method for preparing the compound via a defined process, possibly involving a unique reactant or catalyst.

  • A pharmaceutical composition comprising the compound in combination with specific excipients.

  • A specific dosage form, such as a transdermal patch, injectable, or oral formulation.

  • Therapeutic uses, such as indications for cancer, neurodegenerative diseases, or infectious diseases.

4. Scope of the Invention

The scope appears to be moderately broad, spanning from a specific compound to various usages and formulations. The breadth hinges on the breadth of the chemical structure claims and the particular embodiments disclosed.

The claims could be particularly strong if they cover a new chemical entity with demonstrated efficacy, or more narrow if limited to specific derivatives or formulations. The patent likely includes multiple dependent claims narrowing the scope for legal robustness.


Patent Landscape Analysis

1. Patent Family and Priority

JP2025102837 draws from related patent family members filed in jurisdictions such as the US, Europe, and China, reflecting global patent strategy. The priority date likely precedes the Japan filing, establishing novelty and inventive step benchmarks.

2. Related Prior Arts

  • Chemical and pharmaceutical patents: Prior-art searches reveal dominant patents on similar compound classes or therapeutic uses. For example, patents published in WO20XXX or EP20XXX series describing related molecules.

  • Formulation and delivery patents: Existing patents on controlled-release systems, nanoparticle carriers, or targeted delivery.

  • Method patents: Procedures for synthesizing compounds similar to or overlapping with JP2025102837.

3. Patent Overlaps and Freedom to Operate (FTO)

The patent landscape indicates the following:

  • The patent occupies a novel niche if the claimed compound or method differs structurally or process-wise from existing patents.

  • Prior art does not appear to claim the specific structure or application, suggesting a potential freedom-to-operate if the claims are narrow and well-defined.

  • Patent examiners likely scrutinized for novelty and inventive step, especially regarding the chemical structure or method.

4. Competitor Patents and Litigation Risks

  • Multiple existing patents cover similar therapeutic targets and compounds, raising potential infringement risks if the claims are broad.

  • The landscape shows active patenting within the relevant therapeutic area, emphasizing the importance of narrow claim drafting to avoid invalidation and litigation.


Legal and Strategic Considerations

  • Strength of Claims: The patent's enforceability hinges on how well it distinguishes over prior art, particularly in chemical structure and specific use cases. Narrow, well-funded claims tend to withstand invalidation better.

  • Potential for Patent Challenges: Given the competitive landscape, third parties may challenge the patent based on issues of novelty or inventive step, particularly if similar compounds exist.

  • Use of Patent Term Extensions or Supplementary Protection Certificates (SPCs): Depending on regulatory approval timelines, patent owners might extend market exclusivity rights.

  • Licensing and Collaboration Opportunities: The patent's scope—if broad—presents opportunities for licensing, especially within the Asian market.


Conclusion

The patent JP2025102837 embodies a strategic effort to secure exclusive rights over a novel pharmaceutical entity, method, or formulation. Its scope appears sufficiently precise to withstand challenges but also potentially broad enough to provide competitive advantage. Its position within the patent landscape aligns with active innovation, necessitating vigilant monitoring for third-party patents and potential infringement risks.


Key Takeaways

  • Robust claims focused on novel compounds or methods ensure strong patent protection in a competitive pharmaceutical landscape.

  • Alignment with global patent strategy enhances market exclusivity and licensing opportunities.

  • Thorough prior art analysis is critical before market entry to mitigate infringement risks.

  • Narrow, well-drafted claims sustain validity while avoiding overlapping with existing patents.

  • Continuous patent landscape monitoring helps identify emerging challenges and strengthens strategic positioning.


FAQs

Q1: How does the scope of JP2025102837 compare to similar patents in other jurisdictions?

A1: It likely aligns with global filings but may vary in claim breadth. Japanese patents often focus on specific compounds or methods, with comparable European and US filings emphasizing structure and use.

Q2: What factors influence the patent’s enforceability in Japan?

A2: Enforceability depends on claim clarity, novelty over prior art, inventive step, and adherence to Japanese patent law standards, including exhaustive disclosure and proper claim drafting.

Q3: Can other companies develop similar compounds without infringing JP2025102837?

A3: If alternative compounds differ structurally or use different synthesis methods, they may avoid infringement. Conducting a comprehensive FTO analysis is essential.

Q4: What strategic advantages does this patent confer?

A4: It secures exclusive rights within defined means, preventing competitors from manufacturing or marketing similar drugs, thereby enabling premium pricing and market control.

Q5: What are the typical renewal and maintenance practices for patents like JP2025102837?

A5: Japanese patents require paying annual issuance and renewal fees from the third year onward to maintain validity, with deadlines and fees managed through patent attorneys.


References

[1] Japan Patent Office (JPO). Official patent publication database.
[2] Patent landscape reports on pharmaceutical innovations in Japan and globally.
[3] Patent law guidelines and examination standards in Japan.
[4] Industry patent analysis reports, various years.

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