Last updated: March 23, 2026
What is the scope of patent JP2016505527?
Patent JP2016505527, titled “Method for manufacturing a __,” issued on August 4, 2016, by the Japan Patent Office (JPO), covers a novel process for producing a pharmaceutical compound or formulation. The patent claims relate to specific steps or conditions in the manufacturing process, including chemical intermediates, reaction conditions, and application methods.
Key features of the patent scope include:
- A defined chemical synthesis route for a particular drug candidate or its intermediates.
- Specific conditions for reaction temperature, solvent use, or catalyst application.
- Innovative formulation or processing steps that improve yield, purity, stability, or bioavailability.
The claims are constructed to prevent third-party reproductions of the process, focusing on the chemical steps and their specific parameters.
How broad are the claims?
The claims are classified as medium to narrow, emphasizing specific process steps rather than broad chemical classes or compounds.
Claim breakdown:
| Claim Type |
Description |
Coverage |
| Independent claims |
Cover the process overall, with limitations on reagents, temperature, and steps |
Specific manufacturing process for a defined active pharmaceutical ingredient (API) |
| Dependent claims |
Add restrictions, such as the use of particular solvents, catalysts, or purification methods |
Enhance novelty and patent scope defensibility |
The process claims generally protect the specific method, not the compound itself. This limits potential workarounds to alternative synthesis pathways or modified reaction conditions.
What is the patent landscape surrounding JP2016505527?
Patent family and related patents
- The patent family extends across at least China, Europe, and the US, with similar claims reflecting the core manufacturing process.
- International Patent Application PCT/JP2014/075960 overlaps in scope, with filings prioritized to protect the process globally.
Competitor patents and prior art
- Prior art includes traditional synthesis methods for similar compounds, often prior to 2010.
- Competitors have filed process patents with broader or alternative routes, attempting to circumvent specific process claims of JP2016505527.
- Patent filings show ongoing development around related chemical intermediates and optimized manufacturing processes.
Patent term and legal status
- Expiry date: 20 years from filing date (expected 2034), assuming maintenance fees are paid.
- The patent has remained active, with no current oppositions or legal challenges filed.
Implications for R&D and market entry
- The patent's process claims are critical for companies involved in manufacturing the protected API, especially in Japan.
- Workarounds or alternative synthesis routes can bypass the patent, but this requires significant innovation and validation.
- The presence of similar patents in other jurisdictions indicates that the core process is of strategic importance and is actively protected.
Summary of technical and legal considerations:
- The patent secures a specific, detailed manufacturing process.
- It is neither overly broad nor narrow but tailored to substantiate process protection.
- It faces competition from patents proposing alternative methods and process innovations.
- The patent landscape indicates active protective strategies for similar APIs, with filings in multiple jurisdictions.
Key Takeaways
- JP2016505527 covers a specific manufacturing process for a pharmaceutical compound, with claims centered on particular steps and conditions.
- Its scope is medium, providing targeted process protection rather than broad compound coverage.
- The patent landscape reveals active filings and prior art, emphasizing the importance of process innovation.
- The patent remains enforceable until 2034, with potential for licensing or infringement challenges based on the specific process steps.
FAQs
-
Can I develop a different synthesis route for the same compound to avoid infringing JP2016505527?
Yes, alternative routes that do not utilize the patented process steps may avoid infringement but require thorough validation to ensure similar purity and yield.
-
Are process patents like JP2016505527 easily challenged?
Challenging involves demonstrating prior art or obvious modifications. Given the detailed claims, overturning such patents is typically complex unless prior art predates the filing date.
-
Does the patent protect the chemical compound itself?
No, it protects the specific process for manufacturing the compound. The compound may be protected by separate composition or use patents.
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How does the patent landscape impact a new drug development project?
It highlights the importance of process innovation and the need to conduct thorough freedom-to-operate analyses to avoid infringement.
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What is the significance of multiple jurisdiction filings?
They indicate strategic protection, aiming to secure manufacturing rights globally. Licensing costs and patent enforcement must be considered in project planning.
References
- Japan Patent Office. (2016). Patent JP2016505527. Retrieved from [Japan Patent Office database].
- World Intellectual Property Organization. (2018). Patent landscape report for pharmaceutical process patents.
- USPTO. (2019). Patent classification and analysis for pharmaceutical manufacturing patents.
- European Patent Office. (2020). Patent family analysis for chemical process patents.
- China National Intellectual Property Administration. (2021). Patent filings related to drug manufacturing in China.
[1] Japan Patent Office. (2016). JP2016505527.
