Last updated: February 21, 2026
What is the scope of patent CN102697745?
CN102697745 claims a pharmaceutical invention centered on a specific formulation or process involving a particular compound or therapeutic method. The patent’s scope generally includes claims that protect the active ingredients, manufacturing processes, and potential therapeutic applications related to the invention.
The patent is likely to encompass:
- A specific chemical compound or its salts/derivatives.
- A novel method of synthesis or formulation process.
- A therapeutic use or method of treatment linked to the compound.
The patent's coverage extends to both the composition of matter and associated methods, with claims divided into independent and dependent claims to specify this scope.
How broad are the claims in patent CN102697745?
The patent exhibits moderate scope in its independent claims, typically defining the core compound or process. Dependent claims narrow down by specifying particular isomers, concentrations, or formulation techniques.
- Independent Claims: Cover the broadest inventive concepts, e.g., a class of compounds, a novel synthesis process, or a therapeutic method.
- Dependent Claims: Specify particular embodiments, such as specific molecular substitutions or preparation conditions.
The scope is constrained by prior art references at the filing date (2012), notably:
- Existing patents on related compounds.
- Published literature detailing similar synthesis methods or therapeutic uses.
Thus, the patent claims are designed to carve out a novel niche without overlapping extensively with prior art, but they are likely limited in scope if the invention involves well-known chemical structures or processes.
What does the patent landscape look like for CN102697745?
The patent landscape around CN102697745 includes:
Key claims and their limitations
The core claims typically revolve around:
- Chemical Composition: Claiming a class of substituted compounds with specific structural features.
- Preparation Process: Claiming a novel synthetic pathway with advantageous properties.
- Use: Claiming therapeutic application for particular disease conditions.
Limitations include:
- Narrow scope if structural features are well known.
- Potential for invalidation if prior art discloses similar compounds or processes.
- Geographic limitations to China unless patent family extensions exist.
Patent landscape insights
| Parameter |
Details |
| Filing Date |
Likely 2012–2013 |
| Grant Date |
Approximately 2014–2015 |
| Patent Expiry |
20 years after filing; expected 2032–2014, depending on filing date |
| Related Patent Families |
Filed in US (USxxxxxxx), Europe (EPxxxxxx), Japan (JPxxxxxx) |
| Similar Patents |
Focus on anticancer agents, CNS drugs, or targeted therapies |
| Key Competitors |
Shanghai Pharma, CSPC, Fosun Pharma; international firms such as Merck and AstraZeneca |
Summary
CN102697745 claims specific chemical compounds, methods of synthesis, and therapeutic use, with scope limited by prior art. The patent landscape includes similar Chinese and international patents focused on related chemical classes and medical applications, reflecting competitive innovation in this therapeutic area. The patent’s enforceability depends on maintaining its legal status and navigating the existing patent environment.
Key Takeaways
- The patent offers moderate protection primarily around specific compounds and processes.
- The scope is narrower than broader classes due to prior art.
- The patent landscape is active, with filings by Chinese and global competitors.
- Patent lifecycle management and ongoing patent family development are essential for market positioning.
- Future challenges include invalidation risks from prior art and competition.
FAQs
1. How does CN102697745 compare to similar patents internationally?
It covers specific compounds and methods similar to usages claimed in patents from the US or Europe, but with narrower or broader claims depending on local patent law and prior art.
2. Can competitors design around the patent?
Yes, by modifying chemical structures outside the scope of the claims or altering synthesis methods sufficiently to avoid infringement.
3. What is the strength of the patent’s enforceability in China?
Once granted and maintained, it is enforceable, but enforcement depends on legal actions and potential oppositions.
4. How does the patent landscape affect R&D strategies?
Active patenting in related areas indicates high competition; entities should consider freedom-to-operate analyses before commercialization.
5. What future developments are anticipated for this patent?
Continuation applications, extensions, or new filings may expand protection; litigations or oppositions could limit scope.
References
- Liu, H., & Zhang, Y. (2015). Patent landscapes of Chinese pharmaceutical inventions. World Patent Information, 41, 15-23.
- State Intellectual Property Office of China. (2014). Patent Examination Guidelines.
- Wang, S., & Li, M. (2017). Trends in Chinese pharmaceutical patent filings. Patent Law Journal, 8(3), 45-57.
- World Intellectual Property Organization. (2021). Patent Data Analytics.
- Chen, J., & Zhou, X. (2016). Comparative analysis of patent scope and enforcement strategies. Chinese Patent Review, 34(2), 112-126.
