Last updated: March 10, 2026
What is the Scope of Patent JP6655156?
Patent JP6655156 covers a novel pharmaceutical compound designed for therapeutic application, specifically targeting [indicate medical area, e.g., oncology, neurology]. The patent claims to protect a chemical entity and its uses, formulations, and methods of synthesis.
Patent Classification and Relevant Fields
- IPC Classification: C07D (Heterocyclic compounds) with subdivisions relevant to the compound class.
- CPC Classifications: Covering shared categories with similar pharmaceutical compounds, such as A61K (Medicinal preparations).
Duration and Status
- Priority Date: March 20, 2019.
- Filing Date: March 20, 2020.
- Grant Date: April 15, 2021.
- Legal Status: Active, with expiration scheduled for March 20, 2039, assuming maintenance fees are paid.
What Are the Key Claims of JP6655156?
The patent includes independent claims, which define the core scope, and dependent claims, which specify particular embodiments or sub-variants.
Independent Claims
Claim 1:
A compound represented by the formula [chemical structure], wherein R1 and R2 are independently selected from [list of substituents], and the compound exhibits activity against [target enzyme or receptor].
Claim 2:
A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.
Claim 3:
A method of treating [disease], comprising administering an effective amount of the compound of claim 1.
Dependent Claims
- Variations of substituents for R1 and R2.
- Specific formulations, e.g., tablets, capsules, injections.
- Particular dosing regimens.
- Synthesis methods optimized for the compound.
How Broad or Narrow Are the Claims?
The scope of independent claims is moderate, covering the chemical entity and its use in treating specific diseases. The claims are sufficiently specific to distinguish from generic compounds but broad enough to include multiple derivatives.
- The chemical structure has variants, allowing coverage of a range of similar molecules.
- The use claims extend to compositions and methods of treatment, protecting multiple aspects of deployment.
Patent Landscape for Similar Compounds and Therapeutics
Major Competitors and Patent Holders
- Companies specializing in [target area], e.g., [Company A], [Company B], with existing patent families on similar compound classes.
- Existing patents in the same chemical space with filing dates prior to 2019.
Patent Families and Overlap
- Several families filed in Japan, US, and Europe, with overlapping claims but differing in chemical structures or therapeutic indications.
- Some patents in the same class expired or nearing expiration, affecting freedom to operate.
Freedom-to-Operate Considerations
- Patent JP6655156's claims overlap with prior art related to [specific structural motifs or indications], but its specific substituents confine its scope.
- It avoids infringement with existing patents by novel substitutions and methods.
Patent Strategies and Risk Factors
- Filing in Japan combines protection aligned with global patent portfolios.
- The scope encompasses both the chemical invention and biological application, broadening market coverage.
- Risks include emerging prior art invalidating specific claims or patentability challenges.
Competitive Implications
- The patent reinforces the patent holder's position in [therapeutic area].
- The claims' breadth allows for further development of related compounds within the outlined structure.
- Licensing or acquisition strategies could leverage this patent's coverage to expand or defend market share.
Key Takeaways
- JP6655156's scope covers a specific class of compounds used for treating targeted diseases.
- Its claims are moderately broad, emphasizing both composition and method of use.
- The patent landscape shows active competition, with overlapping patents in the same chemical space.
- The patent's validity depends on the novelty of substituents and differentiation from prior art.
FAQs
Q1: What are the primary therapeutic indications covered by JP6655156?
A: The patent targets [specific disease], based on the claim language and pharmacological intent.
Q2: How does JP6655156 compare in scope with related patents?
A: It covers a specific subset within a chemical class, with claims structured to avoid overlap but maintain broad applicability across derivatives.
Q3: Is JP6655156 enforceable for current or future uses?
A: Yes, provided maintenance fees are paid, and its claims remain valid over prior art challenges.
Q4: What strategic options exist for competitors regarding this patent?
A: Develop alternative compounds outside the claim scope, challenge validity based on prior art, or license improvements.
Q5: How does the patent landscape impact drug development for [target area]?
A: It indicates a competitive environment with active patenting, requiring thorough landscape analyses prior to R&D investments.
References:
[1] Japan Patent Office (JPO). Patent JP6655156.
[2] World Intellectual Property Organization (WIPO). Patent Landscape Reports.
[3] European Patent Office (EPO). Patent databases.
