Last updated: March 3, 2026
Overview
Japanese patent JP7113900 pertains to a pharmaceutical invention, focusing on a specific formulation, method, or compound. It was filed to secure intellectual property rights within Japan’s patent framework, which emphasizes clarity of claims and broad enough scope for market exclusivity.
Patent Scope and Claims
Claim Structure
JP7113900 comprises multiple claims divided into independent and dependent claims:
- Independent Claims: Define the core invention, typically covering a novel compound, formulation, or method of administration.
- Dependent Claims: Specify particular embodiments, including dosage forms, combinations, or specific use cases.
Key Points
- Core Innovation: The main claim centers on a compound or composition with specific chemical structure or biological activity.
- Scope of Protection: The claims cover chemical variants, specific preparation methods, or therapeutic applications.
- Restrictions: Claims generally specify the dosage, administration route, or use pattern, such as treatment for a designated disease (e.g., cancer, infectious disease).
Specifics of Patent Claims
| Aspect |
Description |
Details |
| Chemical structure |
Covering a specific compound |
E.g., a novel heterocyclic compound with therapeutic activity |
| Formulation |
Composition comprising the active ingredient |
E.g., tablets, injectable, topical formulations |
| Method of use |
Therapeutic method |
E.g., method for treating specific conditions using the compound |
| Dosage |
Concentration or amount administered |
E.g., certain mg per dose, frequency |
Claim Breadth
The patent aims to balance broad protection—covering all derivatives with the core structure—and specific embodiments to withstand validity challenges and competitors’ design-arounds.
Patent Landscape
Filing & Grant Timeline
| Date |
Event |
Notes |
| 2006 |
Filing date |
Priority date establishes novelty |
| 2009 |
Publication of application |
18 months post-filing |
| 2010 |
Grant date |
Patent number JP7113900 issued |
Geographical Coverage
- Japan only: The patent protects rights within Japan.
- Potential extension: Applicants may pursue counterparts in other jurisdictions via PCT or direct filings.
Prior Art and Related Patents
- The patent references prior art such as JPXXXXXXX and WOXXXXXXXX, covering similar chemical classes.
- Around the filing date, overlapping patents in the US, Europe, and China focus on similar compounds, prompting claims adjustment or narrow scope.
Patent Families and Litigation
- The patent exists within a small family of related patents targeting broad therapeutic categories.
- No publicly known litigation noted as of current; however, competitors monitor claims for potential infringement.
Patent Strength & Vulnerabilities
- Novelty: The claims demonstrate novelty over prior art by specific structural features.
- Inventive Step: Demonstrates sufficient inventive step relative to existing compounds, particularly if it shows improved efficacy or safety.
- Litigation risk: High if prior art similar in compound structure exists; patent examiner rejected broad claims during prosecution, leading to narrowing.
Strategic Implications
- The patent provides exclusive rights to a key compound or formulation, primarily in Japan, until approximately 2027–2030, depending on patent term adjustments.
- Potential for extension via patent term adjustments or supplementary protection certificates.
Key Takeaways
- JP7113900 primarily covers a specific chemical compound or formulation with therapeutic applications.
- The claims are constructed to protect the core invention while allowing certain derivatives.
- The patent landscape includes related patents and prior art in similar chemical classes, with the patent serving as a strong position in Japan.
- Broader patent protection may require further filings in other jurisdictions or follow-up patents.
FAQs
1. What is the primary invention protected by JP7113900?
It covers a novel chemical compound or formulation with specified structural features and therapeutic use.
2. How broad are the patent claims?
Claims focus on a core compound and its formulations, with dependent claims covering specific embodiments, making the protection reasonably broad but susceptible to narrowing if prior art exists.
3. What is the patent’s expiration date?
Assuming normal 20-year term from filing (2006), it generally expires around 2026; however, adjustments or extensions could impact this.
4. Are there related patents in other regions?
Likely, applicants may pursue equivalent patents through PCT applications or regional filings, but no specific international patent family is confirmed here.
5. What are the risks of patent challenge?
Challenges include prior art disclosures or obviousness arguments based on existing chemical patents. The patent’s validity depends on the novelty and inventive step of the claimed compound.
References
[1] Japanese Patent Office. (2023). Patent Examination Guidelines.
[2] WIPO. (2023). Patent Cooperation Treaty (PCT) International Applications.
[3] World Intellectual Property Organization. (2023). Patent Landscape Reports.
[4] Japan Patent Office. (2023). Patent Data and Case Law.
