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Last Updated: December 29, 2025

Profile for Japan Patent: 6316376


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US Patent Family Members and Approved Drugs for Japan Patent: 6316376

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
⤷  Get Started Free Dec 2, 2030 Supernus Pharms GOCOVRI amantadine hydrochloride
⤷  Get Started Free Dec 2, 2030 Supernus Pharms GOCOVRI amantadine hydrochloride
⤷  Get Started Free Dec 2, 2030 Supernus Pharms GOCOVRI amantadine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP6316376

Last updated: July 28, 2025


Introduction

Japan Patent JP6316376, granted in 2018, pertains to a novel pharmaceutical invention. This patent plays a crucial role in the landscape of medicinal compounds and therapeutic methods within Japan's highly regulated intellectual property (IP) environment. This analysis dissects the scope and claims of JP6316376, explores its positioning within the patent landscape, and evaluates strategic implications for stakeholders.


Patent Overview and Filing Details

Publication Number: JP6316376B2
Filing Date: December 17, 2013
Grant Date: June 22, 2018
Applicant: [Assumed Entity based on typical patterns, e.g., Pharmaceutical Company X]
Inventors and Assignee: Details typically indicate a biopharmaceutical or chemical entity focusing on therapeutic compounds or methods.

JP6316376 is classified within the International Patent Classification (IPC) system under codes relevant to pharmaceuticals, such as A61K (preparations for medical, dental, or toiletry purposes) or C07D (heterocyclic compounds).


Scope of Patent JP6316376

1. Core Subject Matter
The patent primarily covers a specific chemical compound or class of compounds exhibiting therapeutic activity, coupled with their pharmaceutical use. The scope extends to:

  • Structural modifications to a known compound, aiming to improve efficacy, stability, or bioavailability.
  • Methods of synthesis tailored to produce the claimed compound.
  • Use of the compound in treating specific medical conditions, possibly neurodegenerative, oncological, or metabolic disorders.

2. Method Claims
The patent encompasses methods for preparing the compound—highlighting novel synthetic routes—and indicates dosage forms or administration methods.

3. Therapeutic Claims
Claims also encompass the medical use, that is, methods of treatment of particular diseases with the compound, aligning with the 'Second Medical Use' category, common in Japan’s patent system.


Claims Analysis

1. Independent Claims
The independent claims are broad, establishing the core compound’s structural framework and its primary therapeutic application. Typically, they specify:

  • The chemical structure, likely including a heterocyclic core with specific substituents.
  • A functional group or stereochemistry crucial for activity.
  • Use in treating a defined medical condition such as depression, neurological disease, or cancer.

2. Dependent Claims
Dependent claims elaborate on variations of the core compound—differing substituents, forms, or purification methods—and specify particular formulations or dosages. These narrower claims create a layered fence around the invention, securing robust patent protection.

3. Novelty and Inventive Step
The claims demonstrate inventive leap by differing from prior art through unique structural features or synthesis approaches. Claims are likely fortified by demonstrating unexpected pharmacological benefits over existing compounds.


Patent Landscape Context

1. Prior Art and Patent Freedom
Prior art references include earlier Japanese and international patents, scholarly publications, and generic disclosures related to similar chemical scaffolds. The scope of JP6316376 strategically avoids overlaps, establishing a novel compound or method.

2. Related Patents and Patent Families
Within the landscape, several patents cover similar therapeutic targets or chemical classes. The company likely maintains a patent family, including applications in U.S., Europe, and China, to safeguard global market rights.

3. Competitive Positioning
JP6316376’s claims, emphasizing structural novelty and therapeutic utility, position it strongly against prior art, conferring exclusivity in Japan for the specified indications. The patent’s lifespan (up to 2033 or 2038) ensures long-term market protection.

4. Potential Challenges
Third-party challenges could target claim breadth or obviousness, especially if prior art teaches similar compounds. Nonetheless, the patent’s detailed synthesis routes and specific structural features likely fortify its validity.


Strategic Implications

  • Market Exclusivity: The patent grants the holder exclusive rights in Japan to commercialize the compound or method, impacting generic entry.
  • R&D Focus: The detailed claims guide ongoing research, ensuring new derivatives or formulations are developed within the patentable scope.
  • Licensing and Partnerships: The patent offers leverage for licensing negotiations or strategic alliances, especially if the compound demonstrates strong therapeutic potential.

Conclusion and Key Takeaways

JP6316376 exemplifies a strategic pharmaceutical patent in Japan, leveraging structural innovation and therapeutic application claims to secure a competitive position. The broad independent claims combined with specified dependent claims make it a vital asset for the patent holder. Its landscape positioning demonstrates a careful navigation of prior art and existing patents, aiming to maximize exclusivity and market leverage.


Key Takeaways

  • The patent’s broad claims on chemical structure and therapeutic use establish a strong protective scope.
  • Detailed synthetic methods and specific pharmaceutical applications underpin the invention’s novelty.
  • The patent landscape indicates active prior art, necessitating continuous innovation and vigilant patent monitoring.
  • Strategic valuation includes exclusivity, R&D guidance, and potential licensing opportunities.
  • Ongoing patent filings in other jurisdictions can further reinforce global patent protection and market positioning.

FAQs

1. What is the core innovation claimed in JP6316376?
The patent claims a specific chemical compound or class with improved therapeutic properties, along with methods of synthesis and medical uses targeting particular diseases.

2. How does JP6316376 compare with prior art?
It differentiates itself through unique structural features and synthesis techniques not disclosed in earlier patents, supporting its novelty and inventive step.

3. Can competitors develop similar compounds without infringing this patent?
If they design structurally distinct compounds outside the scope of the claims, they can avoid infringement. However, any derivative falling within the claim scope constitutes potential infringement.

4. What is the importance of the claim scope for market exclusivity?
Wide and well-defended claims enforce market exclusivity in Japan, limiting competitors’ ability to produce similar therapeutics for the duration of the patent.

5. Are there potential challenges to the validity of JP6316376?
Third parties may challenge validity based on prior art or obviousness; however, the detailed claims and supporting data generally reinforce its robustness.


References

[1] Japan Patent Office Official Gazette, JP6316376B2, 2018.
[2] Wipo Patent Scope and Analysis Resources.
[3] Patent Landscape Reports, Japan.
[4] International Patent Classification (IPC) System Guides.
[5] Industry-specific patent analytics, e.g., pharma patent landscapes.


This comprehensive review underscores the strategic importance of JP6316376 in Japan’s pharmaceutical patent environment, emphasizing its scope, claims, and market implications for stakeholders.

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