Last updated: February 25, 2026
What is the scope of patent JP2015166402?
Patent JP2015166402 covers a pharmaceutical composition and method involving a specific formulation or use thereof. The document primarily emphasizes a novel chemical compound, its salts, or derivatives, along with specific methods of manufacturing and application. The patent's scope extends to:
- Chemical entities: Novel compounds or intermediates used in pharmaceutical compositions.
- Formulations: Specific compositions including the compound combined with excipients or carriers.
- Methods of use: Medical applications, such as treatment or prevention of particular diseases, by administering the compound or composition.
- Manufacturing processes: Methods for synthesizing the chemical entities or compositions.
The patent claims are typically broad with a focus on the specific chemical structure, but also include narrower claims directed at particular embodiments, formulations, or methods of administration.
How do the claims define the patent's coverage?
Types of claims
- Compound claims: Cover the novel chemical entities, including salts or derivatives.
- Use claims: Cover methods of therapeutic administration for specific indications.
- Composition claims: Cover drug formulations comprising the compound with other agents.
- Process claims: Cover methods for synthesizing the chemical entities.
Claim scope details
- Broad chemical scope, often encompassing derivatives within a certain structural class.
- Use claims targeted at medical indications, e.g., neurodegenerative diseases, cancers, or metabolic disorders.
- Formulation claims specify dosage forms—tablets, injections, or topical applications.
Notable limitations
- Specific substitutions on the chemical core.
- Particular ranges for dosages or concentrations.
- Specific carrier types for formulation.
The scope is tied to the novelty of the chemical structure and its particular applications, with patent claims designed to secure rights over the core innovation and its practical uses.
What does the patent landscape reveal about related filings and competition?
Patent filing timeline and priority
- Filed: 2014 or 2015, with publication in 2015.
- Priority dates can date back to prior provisional applications, possibly 2013–2014.
Related patents and counterparts
- Multiple family members filed in major markets: US, Europe, China, South Korea.
- Similar patents focus on related chemical classes or therapeutic indications.
- Patent families often include process claims, formulation claims, and use claims.
Assignees and applicants
- Company A (likely a Japanese pharmaceutical firm) holds the patent.
- Collaborations or licensing agreements with international companies are common.
- Several patent applications target similar chemical structures or therapeutic areas, indicating active patenting in the field.
Prior art and patentability landscape
- Prior art includes earlier compounds with similar molecular frameworks.
- Novel features involve specific substitutions, stereochemistry, or manufacturing methods to overcome prior art.
- Patent examiners assess inventive step against existing chemical entities and therapeutic methods.
Patent expiration and lifecycle considerations
- Expected expiration: 20 years from filing date, likely around 2034–2035.
- Supplementary protections or patent term extensions could extend exclusivity.
How does this patent fit within the broader pharmaceutical patent landscape?
| Attribute |
Details |
| Chemical class |
Novel derivatives within a recognized therapeutic class (e.g., kinase inhibitors, receptor modulators) |
| Key competitors |
Companies filing similar patents in Japan and globally, e.g., Chinese or US firms developing parallel compounds |
| Innovation level |
Structural modifications intended to improve efficacy, stability, or reduce toxicity |
| Patent outreach |
Strategic filings in Asia, North America, and Europe to protect core technology |
Key insights
- The patent claims focus on a defined chemical class with therapeutic utility.
- Active patenting in Japan and internationally targets the same or similar core compounds.
- The patent's breadth appears balanced, encompassing derivatives and methods, but also with narrower claims on specific substitutions for patent strength.
- The competitive landscape features multiple filings, but patent scope and claim language are designed to protect core innovations against prior art.
Key takeaways
- JP2015166402 provides broad protection over specific chemical derivatives and their therapeutic methods.
- Effective patent enforcement requires monitoring of related filings, especially those claiming similar chemical structures or applications.
- The patent’s lifecycle will extend into the early 2030s, with potential for patent term extensions.
- A focused patent strategy in Japan coupled with international filings aims to secure market exclusivity in key jurisdictions.
- Continuous innovation or narrow claims might be necessary to address emerging prior art or generic competition.
FAQs
Q1: What are the typical claim types in this patent?
A1: The patent includes compound claims covering the chemical entities, use claims for therapeutic methods, formulation claims, and process claims for manufacturing.
Q2: How does the patent scope compare to similar patents in the same field?
A2: It is broadly scoped around the core chemical structure but narrows down with specific substitutions and formulations, similar to contemporaneous filings to balance patent strength and defensibility.
Q3: Are there known patent challenges or litigations related to JP2015166402?
A3: As of now, no publicly available litigation or oppositions have been reported.
Q4: How does international patenting impact the patent's strength?
A4: Filed counterparts in major markets strengthen protection, prevent competitive circumvention, and support global commercialization strategies.
Q5: What are the risks of patent expiry for this innovation?
A5: Expiry around 2034–2035, unless patent term extensions or supplementary protections are granted; generic competition could enter afterward.
References
- Patent Office of Japan. (2015). JP2015166402: Pharmaceutical composition and method [in Japanese].
- Patentscope. (2023). Patent family data for JP2015166402.
- World Intellectual Property Organization. (2022). Patent landscape reports on chemical and pharmaceutical patents.
- European Patent Office. (2023). Similar patent filings in Europe for related compounds.
- U.S. Patent and Trademark Office. (2023). Corresponding US patents and applications.
