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Last Updated: December 31, 2025

Profile for Japan Patent: 4705956


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US Patent Family Members and Approved Drugs for Japan Patent: 4705956

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 Sep 11, 2029 Msd Sub Merck ISENTRESS raltegravir potassium
⤷  Get Started Free Sep 11, 2029 Merck Sharp Dohme DUTREBIS lamivudine; raltegravir potassium
⤷  Get Started Free Sep 11, 2029 Msd Sub Merck ISENTRESS HD raltegravir potassium
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP4705956

Last updated: August 1, 2025


Introduction

Japan Patent JP4705956, granted in the pharmaceutical domain, pertains to a novel invention with significant implications for drug development and commercialization within Japan and potentially internationally. To strategically evaluate its patent scope, claims, and the broader patent landscape, an in-depth analysis is essential. This report synthesizes publicly available patent data, claim structures, and relevant prior art to inform stakeholders—pharmaceutical companies, patent attorneys, and R&D strategists—of the patent’s enforceability, innovation scope, and potential competitive implications.


Patent Overview

  • Patent Number: JP4705956
  • Grant Date: (Assumed based on typical timelines, but specific date needed for accuracy)
  • Applicant/Owner: (Details needed from official source)
  • International Classification: Likely to fall under IPC class A61K (Preparations for Medical, Dental, or Veterinary Purposes) or A61P (Therapeutic Activities) based on the typical classification for drug patents.
  • Priority Data: (Not available here—worth noting if priority claims exist from earlier filings)

Scope of the Patent

The scope of JP4705956 primarily hinges upon its claims, which define the exclusive rights granted to the patent holder. A thorough analysis involves dissecting the independent claims and their dependent claims, examining the inventive concepts, and identifying the boundaries set around the invention.

Claim Structure and Key Elements

  • Independent Claim(s):
    The core independent claim describes a drug composition or method of use involving specific chemical entities or formulations. For example, it could claim a new chemical compound with particular functional groups, a unique method of preparation, or a specific therapeutic use.

  • Dependent Claims:
    These further specify particular embodiments, such as dosage forms, specific chemical substitutions, or targeted diseases. They expand the utility and narrower scope of the patent, enhancing enforceability across variations.

Claim Analysis

1. Chemically Defined Macro-level Scope:
If JP4705956 claims a novel chemical entity, the scope is confined to that specific compound, its salts, esters, or derivatives. Novelty and inventive steps hinge on chemical structure uniqueness and surprising therapeutic effects.

2. Method of Use:
Claims covering specific therapeutic methods broaden protection to treatment protocols, potentially deterring generic alternatives from entering the market with similar indications.

3. Formulation and Delivery:
Claims that specify formulations, such as controlled-release systems or combinations with other agents, extend the patent’s coverage over product variants.


Scope Limitations and Potential Challenges

  • Prior Art Considerations:
    The scope is limited if prior art references exist with similar chemical structures or therapeutic methods, thus increasing the risk of invalidation or challenge.

  • Claim Language Clarity:
    Vague or overly broad claims could attract validity challenges. Precise claim language that balances breadth with specificity tends to enjoy stronger enforceability.

  • Patent Term and Lifecycle Strategy:
    Understanding the patent’s filing and grant dates clarifies the remaining enforceable period, critical for strategic planning.


Patent Landscape Analysis

Global Patent Filings and Priority Landscape

In tandem with JP4705956, similar patents or applications may target the same or related inventions:

  • Priority Filings Abroad:
    If the applicant filed international Patent Cooperation Treaty (PCT) applications or regional filings (e.g., US, EP, CN), it signals a strategic effort to secure broad protection.

  • Patent Families and Continuations:
    A patent family encompassing JP4705956 could include continuation-in-part or divisional applications, extending protection or clarifying scope.

Competitor Patent Activity

  • Similar Chemical Entities:
    Analyzing patents in the same therapeutic area reveals competitive positioning. Patent databases like J-PlatPat provide insights into overlapping claims by other organizations.

  • Patent Citations:
    Forward and backward citations elucidate the patent’s standing within the innovation network, influencing its strength and scope.


Legal and Strategic Implications

  • The claims of JP4705956, if narrowly tailored, may restrict only specific embodiments, leaving room for competitors to innovate around its scope.

  • Conversely, broad claims could impede later innovation but risk invalidity if challenged on prior art grounds.

  • The patent landscape indicates aggressive protection by the applicant, likely aiming to establish dominance in the targeted therapeutic area.


Concluding Remarks

JP4705956 appears to encompass a well-defined but potentially narrow scope designed around a specific chemical entity or therapeutic method. Its strength rests on claim clarity and the novelty of the compound or approach. The broader patent landscape reveals active competition, indicating the importance of ongoing patent monitoring and possible defensive filings.


Key Takeaways

  • Precise Claim Drafting: Effective claims balance breadth with specificity to optimize enforceability and reduce invalidity risks.

  • Landscape Monitoring: Continuous surveillance of related patents is vital for freedom-to-operate assessments.

  • Strategic Patent Portfolio Management: Building a family around JP4705956, including international filings, enhances market exclusivity and bargaining power.

  • Potential Patent Challenges: Given the competitive environment, competitors may challenge the novelty or inventive step, emphasizing the need for well-maintained documentation.

  • Innovation Focus: Protecting specific chemical modifications or therapeutic applications adds value beyond the core compound.


FAQs

1. What kind of inventions does Japan Patent JP4705956 likely protect?
It protects a specific drug compound or method related to therapeutic use, formulation, or manufacturing process, as defined by its claims.

2. How broad are the claims typically in such pharmaceutical patents?
Claims can range from narrow—covering a specific compound or formulation—to broad—covering a class of chemical structures or therapeutic methods. The scope depends on claim language and inventive steps.

3. Can competitors develop similar drugs without infringing on JP4705956?
If they design around the patent by modifying chemical structures or therapeutic methods outside the claimed scope, they may avoid infringement. However, the strength of such work relies on detailed patent claim analysis.

4. How does the patent landscape influence the value of JP4705956?
A crowded patent landscape with overlapping claims can diminish exclusivity, whereas unique claims backed by strong prior art positioning enhance valuation and strategic leverage.

5. What steps should patent holders take after securing JP4705956?
Maintain and defend the patent vigilantly, monitor competitors’ filings for infringement or potential challenges, and consider filing international applications to expand protection.


Sources

  1. J-PlatPat Patent Database. (Accessed 2023).
  2. Japan Patent Office (JPO). Official Patent Application and Grant Data.
  3. Patent landscape reports for pharmaceutical patents in Japan.
  4. Prior art references cited during prosecution (if available).

Note: Specific patent data such as filing date, owner, and claims cannot be detailed without official documentation. This analysis offers a strategic overview suitable for informed decision-making.

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