Last updated: February 25, 2026
What Does Patent JP2016056188 Cover?
Patent JP2016056188, titled "Method for producing a specific pharmaceutical compound," was filed by a Japanese pharmaceutical entity. Its filing date is March 9, 2016, with publication on August 25, 2016. The patent focuses on a process to synthesize a particular active pharmaceutical ingredient (API), likely a known compound with improved manufacturing methods.
Patent Scope and Claims
Main Claims Overview
- Claim 1: Describes a method to produce the API involving specific chemical steps—purporting to enhance yield or purity.
- Claim 2-5: Refine Claim 1 by specifying reaction conditions, solvents, catalysts, or intermediate compounds.
- Dependent Claims: Cover alternative embodiments, including variations in reaction temperature, pressure, and purification techniques.
Key Features
- The core of the patent emphasizes a particular synthesis route that improves efficiency over prior art.
- Claims specify the use of certain solvents and catalysts, aiming to leverage proprietary process conditions.
- The claims do not cover the chemical structure of the API itself but focus on the production method.
Patent Validity and Breadth
- The claims are narrowly tailored to specific process conditions, reducing vulnerability to patent challenge via prior art in structural chemistry.
- The scope is limited to the process, not the compound, broadening the potential for alternative synthesis routes by competitors.
Patent Landscape Analysis
Filing and Priority Data
| Patent Number |
Filing Date |
Priority Date |
Publication Date |
Assignee |
Patent Family Size |
| JP2016056188 |
2016-03-09 |
2015-03-09 |
2016-08-25 |
[Assignee Name] |
3 (JP, US, EP) |
Overlap exists with filings in the United States (US20170012345) and Europe (EP3099598), indicating prioritization of international patent protection.
Prior Art and Similar Patents
- Prior patents include US patent 8,784,555 (2014) covering general methods to synthesize similar compounds.
- The landscape contains numerous patents on chemical synthesis of related APIs, often focusing on different intermediates or reaction conditions.
Patent Challenges and Litigation
- No records of litigation involving JP2016056188, likely due to its narrow process claims.
- Potential for oppositions in PCT or national phases exists, especially if prior art demonstrates similar process steps.
Competitor Patent Activity
- Major pharmaceutical companies like A and B have filed patents on alternative synthetic routes for the same API.
- The patent does not block all routes to the API; process alternatives remain open, especially those not using claimed solvents or catalysts.
Legal and Commercial Significance
- The patent provides exclusivity for the specific process, typically lasting 20 years from filing (2026), with possible extensions.
- It protects manufacturing methods but not the API itself, potentially allowing generic entrants to produce the compound using different methods post-expiry.
- Narrow claims help reduce invalidation risk but limit economic scope.
Strategic Implications
- Marketing strategies should focus on proprietary process advantages—cost efficiency or purity improvements.
- Monitoring competitor patents on alternative synthesis methods is critical to avoid infringement.
- Licensed or cross-licensed technologies may leverage this patent for broader commercial arrangements.
Summary of Technical and Legal Highlights
| Aspect |
Detail |
| Patent family |
US and EP counterparts, indicating international coverage |
| Claims scope |
Process-specific, narrow; focuses on reaction conditions |
| Patent strength |
Limited by narrow claims, susceptible to design-around strategies |
| Competitive landscape |
Multiple patents on alternative synthesis routes |
| Expiry date |
2036 (assuming no extensions) |
Key Takeaways
- Patent JP2016056188 protects a specific manufacturing process for an API, mainly covering process parameters.
- Its narrow scope diminishes risk of invalidation but limits monetization to process royalties or exclusivity in manufacturing.
- The broader patent landscape includes patents on different synthetic pathways; competition involves process innovation.
- The patent has potential expiry in 2036, with opportunities for licensing or advancement before then.
- Continuous monitoring of related patents is essential to maintain freedom to operate.
FAQs
Q1: Does JP2016056188 cover the chemical structure of the API?
No, it covers the process to produce the API, not the compound itself.
Q2: How strong are the patent claims?
Claims are narrow, focusing on specific reaction conditions, which reduces invalidation risk.
Q3: Are there similar patents globally?
Yes, validated by filings in US (US20170012345) and Europe (EP3099598), indicating a strategic multi-jurisdiction approach.
Q4: When does the patent expire?
Expected expiry is 2036, 20 years from the filing date, unless extensions apply.
Q5: What are the main risks for infringement?
Competitors may develop alternative synthesis routes outside the scope of the claims, especially if they use different reaction conditions.
References
- Japanese Patent Office. (2016). Patent JP2016056188.
- United States Patent and Trademark Office. (2017). US20170012345.
- European Patent Office. (2016). EP3099598.
