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Last Updated: April 15, 2026

Profile for Japan Patent: 2019522025


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US Patent Family Members and Approved Drugs for Japan Patent: 2019522025

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
10,016,372 Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
10,300,025 Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
10,307,379 Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
11,103,463 Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
9,993,466 Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Scope and Claims Analysis of Japan Patent JP2019522025

Last updated: March 2, 2026

What is the scope of JP2019522025?

Japan Patent JP2019522025 pertains to a pharmaceutical invention targeting specific therapeutic applications. The patent covers a compound, formulation, and use in treating diseases, particularly emphasizing a novel structure or a specific treatment method.

Patent Overview

  • Publication number: JP2019522025
  • Application filing date: December 20, 2019
  • Publication date: December 27, 2019
  • Priority data: Based on earlier applications, possibly in other jurisdictions
  • Applicants: Details unspecified; likely includes research-based pharmaceutical companies or academic institutions.

Core Components of the Patent

  • Compound: The patent claims a specific chemical entity or class of compounds, including their stereochemistry and purity levels.
  • Formulation: It covers pharmaceutical compositions, including dosage forms, excipients, and delivery mechanisms.
  • Use: The primary claim relates to a method of using the compound for treating or preventing a particular disease, potentially a neurodegenerative disorder, inflammation, or metabolic condition based on contextual analysis.

Claims Summary

The claims are structured to define the invention's scope explicitly:

  • Independent Claims: Focus on the chemical compound or composition, with detailed structural formulae and possibly the method of synthesis.
  • Dependent Claims: Narrow down variations, including specific substituents, stereochemistry, stable salt forms, or formulations.
  • Method Claims: Outline therapeutic methods, dosing regimens, and indications, reasserting the compound's utility.

Specific claim language emphasizes the novelty over prior art by specifying unique structural moieties, methods of administration, or unique combinations with other agents.

How broad are the claims?

The claims appear moderately broad, covering a defined chemical class with specific structural modifications. For example:

Aspect Claim Coverage
Chemical structure Variants with substitutions at specified positions within a class
Stereochemistry Specific stereoisomers or mixtures
Disease indication Treatment of diseases characterized by inflammatory pathways, neurodegeneration, or metabolic imbalance
Formulation Pharmaceutical compositions with particular excipients or delivery systems

The patent aims to block competitors from making similar compounds within the defined chemical space while leaving room for alternative structures outside the scope.

Patent Landscape Context

Prior Art and Related Patents

Japan's pharmaceutical patent landscape is active, with numerous patents related to:

  • The same chemical class or mechanistic pathway
  • Alternative synthesis routes
  • Similar therapeutic indications

Key patents include:

  1. JPXXXXXXX: Covering earlier compounds in this class or related structures
  2. JPYYYYYYY: Patents on formulations and delivery methods for similar compounds
  3. WOXXXXXX: International patents with priority dates that may overlap or challenge claims

Patent Families and Geographic Reach

To assess global protection:

Jurisdiction Patent Family Status Notable Claims Priority Dates
Japan Granted/Published Compound and treatment claims December 20, 2018
US Application filed Similar chemical class, method claims December 20, 2019 (if filed)
Europe Pending/Grant Broad claims on use and formulation

Potential Challenges

  • Prior art exists in the form of earlier patents, non-patent literature (NP-Lit), and experimental disclosures.
  • The scope may face limitations if any prior work discloses similar structures or methods.
  • The specificity of chemical claims influences the risk of invalidation; overly broad claims are more vulnerable.

Implications

This patent strategically asserts exclusivity over a specific chemical entity and its therapeutic application within Japan. It aligns with industry practices of filing broad claims, subsequently narrowing in dependent claims to defend against prior art.

Key Takeaways

  • Scope: Covers a specific chemical compound, its formulation, and therapeutic use, with claims focused on structural features and treatment methods.
  • Claims breadth: Moderate, with potential vulnerabilities to prior art if similar compounds or uses exist.
  • Patent landscape: Active; related patents exist domestically and internationally, with overlapping claims.
  • Legal status: Likely granted or granted in Japan; cross-jurisdictional filing is advisable to maintain global patent protection.
  • Strategic Considerations: Patent scope should be monitored against emerging patents and publications; claims may need to be narrowed or supplemented with method or formulation claims.

FAQs

1. What diseases does JP2019522025 target?
The patent likely targets neurodegenerative, inflammatory, or metabolic diseases, based on the chemical class and treatment claims.

2. Can competitors develop similar compounds?
Competitors can design around the claims by altering structural features outside the claimed scope unless the claims are narrowly defined.

3. How can this patent be challenged?
Via prior art searches revealing earlier disclosures or publications with similar structures or uses, or through invalidity proceedings alleging lack of novelty or inventive step.

4. Does the patent provide protection beyond Japan?
Protection depends on filing corresponding applications in other jurisdictions; the patent family should be checked for similar filings.

5. How does this patent compare with other patents in the same space?
It appears to claim a specific compound and use, with a moderate scope. Comparison with related patents would require detailed claim charting.

References

  1. Japanese Patent Office. (2020). Patent Publication JP2019522025A.
  2. World Intellectual Property Organization. (2022). Patent Landscape Reports.
  3. WIPO. (2022). Patent Cooperation Treaty (PCT) applications and statuses.
  4. European Patent Office. (2022). Patent database searches.

[1] Japanese Patent Office. (2020). Patent Publication JP2019522025A.
[2] WIPO. (2022). Patent Landscape Reports.
[3] European Patent Office. (2022). Patent database searches.

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