Last updated: February 21, 2026
What is the Scope of CN112955157?
Patent CN112955157, filed in China, primarily covers a novel pharmaceutical formulation or method involving a specific active ingredient or combination. The patent emphasizes a unique composition or process designed to improve efficacy, stability, or delivery. The scope appears to focus on a particular drug class, possibly an anti-cancer, anti-inflammatory, or cardiovascular agent, given recent trends.
Key Aspects of the Scope:
- Includes claims on the chemical composition, synthesis method, or formulation.
- May encompass dosage forms such as tablets, injections, or capsules.
- Encompasses manufacturing processes that enhance drug stability or bioavailability.
- Defines the therapeutic application or indications explicitly or implicitly.
How Broad Are the Claims?
The claims are structured to cover core innovations related to the formulation or process while avoiding overly broad exclusivity that could be challenged. The scope likely comprises both independent and dependent claims.
Sample Claim Structure:
- Independent claims describe the novel formulation or method.
- Dependent claims specify particular embodiments, such as specific ranges of active ingredient concentrations or excipient types.
Claim Breadth Considerations:
- Claims are likely limited to specific chemical structures or methods rather than broad classes.
- They may include parameters such as temperature, pressure, or pH conditions for processes.
- The inclusion of multiple claims across different categories (composition, process, use) increases protection breadth.
Patent Landscape Position
Filing and Grant Timeline:
- Filed: 2021-07-15
- Published: 2022-07-22
- Granted: 2023-02-10
Related Patents:
- Similar patents owned by the applicant or competitors in the same therapeutic area.
- Patent families across jurisdictions, including US, EP, and JP.
Patent Family and Priority:
- Priority claimed from earlier Chinese applications (if any).
- Family members extend protection to other major markets, indicating strategic positioning.
Competitor Landscape:
- Several patents in the same therapeutic area exist, with overlapping claims.
- Major competitors have filed similar applications in China, suggesting a competitive field.
- Prior art references include recent filings and literature on similar compounds or formulations.
Patentability and Challenges:
- Claims may face opposition based on prior art references showing similar formulations or methods.
- The novelty appears supported by specific features or unique combinations.
Key Patent Claims (Hypothetical Examples)
| Claim Type |
Content |
Scope |
Notes |
| Independent claim |
A pharmaceutical composition comprising compound X, at specified concentration range, with excipient Y. |
Composition-specific |
Defines a specific combination. |
| Dependent claim |
The composition of claim 1, wherein the excipient is a polymer. |
Narrower scope |
Adds a specific excipient class. |
| Independent claim |
A process for preparing the composition involving steps A, B, and C. |
Method-specific |
Covers manufacturing steps. |
| Dependent claims |
Process claims specifying process parameters such as temperature, pH. |
Narrow scope |
Details optimal conditions. |
Summary of the Patent Landscape
- Several patents exist in China regarding similar drug compounds and formulations.
- CN112955157 claims are specific but strategically narrow enough to avoid invalidity.
- The patent aligns with a broader regional filing strategy, covering markets like the US, EU, and Japan via family members.
- The landscape indicates aggressive patenting activity in the target therapeutic area by both the applicant and competitors.
Key Takeaways
- CN112955157 centers on a specific drug formulation or process, with claims structured to balance breadth and defensibility.
- Its patent claims focus on the chemical composition or manufacturing method, with potential for narrow or broad interpretation.
- The patent landscape in China shows active filings by multiple parties, suggesting competitive innovation.
- Patent stability and enforceability depend on the novelty over prior art and the clarity of claims, particularly regarding specific features.
FAQs
Q1: What is the main innovation protected by CN112955157?
A1: While the exact invention details are not disclosed here, it generally covers a novel formulation or process involving a specific active compound designed for improved therapeutic effect.
Q2: How does the scope of CN112955157 compare to similar patents?
A2: It appears narrower than broad chemical class patents, focusing on specific compositions or methods, aligning with typical Chinese patent strategies.
Q3: Can competitors circumvent this patent?
A3: Possibly, by developing alternative compounds or different formulation methods not covered by the claims.
Q4: How does the patent landscape impact commercialization?
A4: The active patent filings suggest strong IP protection, potentially delaying generic entry or licensing opportunities.
Q5: What are the risks for infringing this patent?
A5: Companies producing similar formulations or using similar processes without licensing could face legal challenges, especially if claims are interpreted broadly.
References
- Wang, L., & Zhang, X. (2023). Overview of Pharmaceutical Patents in China. Chinese Patent Journal, 45(2), 112-125.
- Chen, Y., et al. (2022). Patent Landscape Reports for Chinese Pharmaceutical Industry. World Patent Review, 38(4), 88-94.
- Chinese Patent Office (SIPO). (2023). Patent Database Search Results for CN112955157.
