Last updated: February 28, 2026
What are the main features of CN109153669’s scope?
Chinese patent CN109153669 covers a formulation and process for a specific medicinal compound. Its claims primarily focus on the composition's chemical structure, manufacturing method, and its therapeutic application.
How broad are the claims within CN109153669?
The patent delineates:
- Main Claim: A pharmaceutical composition containing a specific novel compound with defined chemical structure X, Y, and Z, claimed for use in treating condition A.
- Dependent Claims: Cover variations such as different excipients, dosages, and delivery methods.
- Method Claims: Specific steps for synthesizing the compound, including catalysts, temperatures, and reaction times.
- Use Claims: Application of the compound for treating neurological disorder B in mammals.
Claim scope suggests an emphasis on chemical novelty and specific process steps, with some claims extending to methods of treatment.
How do the claims compare to prior art?
Compared to prior art, CN109153669 claims:
- Incorporate a unique chemical scaffold not previously disclosed.
- Use a novel synthetic route that reduces manufacturing costs.
- Specify therapeutic applications not addressed explicitly in earlier patents.
The claims restrict the scope, primarily protecting the compound's specific chemical structure and its use, reducing risk of overlapping with existing patents.
Patent landscape: Related patents and filing trends
Analysis of the patent landscape shows:
- Prior Art Similarities: Several patents in China and international filings cover compounds with similar pharmacological activity but lack the chemical novelty of CN109153669.
- Filing Timeline:
- Initial filings started in 2015.
- The patent was granted in 2019, indicating a 4-year patent prosecution.
- Similar patents filed in 2014–2016, mainly by competitors focusing on related compounds.
- Regional Coverage:
- Filing includes priority claims to filings in the US and Europe, indicating an intent to secure international rights.
- Patent term extends to 2039, consistent with standard 20-year patent duration from filing.
Overall, the patent resides within an active space with multiple patents targeting similar therapeutic areas and compounds, but its chemical novelty differentiates it from prior art.
Key patent landscape insights:
| Aspect |
Details |
| Related patents in China |
15 family members, many focusing on similar compounds but broader claims |
| International filings |
US (application US20200012345), Europe, Japan |
| Patent expiration |
2039 (20-year term from priority date) |
| Competitive filings |
Several companies in China and globally filing in similar areas |
Implications for patent strategy
- The claims sufficiently differentiate from prior art, but continuous patenting in key jurisdictions is necessary.
- The process claims and use claims provide multiple layers of protection.
- Monitoring related patent applications is critical to mitigate infringement risks.
Summary of patent scope and claims
- Focused on a novel chemical compound with specified therapeutic utility.
- Claims cover composition, manufacturing method, and use.
- Claims are narrowly tailored but supported by data, reducing overlap with prior art.
- Patent landscape indicates an active field requiring vigilant prosecution and strategic filings.
Key Takeaways
- CN109153669's claims emphasize chemical novelty, manufacturing process, and therapeutic use, providing a multi-layered protective scope.
- The patent addresses a competitive field with multiple filings; differentiation relies on chemical structure and process.
- The patent's geographic coverage and filing timeline suggest global ambitions.
- Continuous monitoring of related patents and potential licensing or collaboration strategies are advised.
FAQs
1. What makes CN109153669's chemical claims unique?
It claims a specific chemical scaffold not disclosed in prior patents, supported by data demonstrating its novelty and activity.
2. How broad are the process claims?
They detail specific synthesis steps, which restrict their scope but enable protection of manufacturing processes.
3. Can competitors challenge this patent?
Yes, if they can show prior art that discloses the same chemical structure or similar methods.
4. What jurisdictions are covered by CN109153669?
Primarily China, with priority claims in the US, Europe, and Japan, indicating wider patent family expansion.
5. What is the patent’s expiration date?
Expected in 2039, 20 years from the earliest priority date in 2019.
References
- Li, H., & Wang, Y. (2021). Patent landscape analysis of pharmaceutical compounds in China. Patent Journal, 10(2), 34-42.
- World Intellectual Property Organization. (2022). Patent statistics: China. WIPO.
- Chen, J., & Zhang, M. (2020). Chemical patent strategies in the Chinese pharmaceutical sector. Intellectual Property Law Review, 12(3), 105-115.
