Last updated: February 26, 2026
What is the scope of patent CN108997267?
Patent CN108997267 covers a specific pharmaceutical composition or method. The patent's scope is primarily defined by its claims, which delineate the legal protection and the technical boundaries of the invention.
Key points:
- The patent claims a formulation, process, or use related to a drug compound or combination.
- It emphasizes a particular application or method of manufacturing.
- Claim scope typically includes method claims, composition claims, or both.
What are the main claims of patent CN108997267?
Based on standard patent claim structures, the patent contains:
Composition Claims
- Specific active pharmaceutical ingredients (APIs) or their combinations.
- Concentration ranges, formulation types (tablet, capsule, injection).
- Use of excipients, stabilizers, or delivery systems.
Method Claims
- Processes for manufacturing the drug.
- Methods of use, such as treating particular diseases or conditions.
Unique Aspects
- Novelty lies in the combination of compounds, specific ratios, or innovative methods that improve efficacy, safety, or stability.
Example of typical claims (hypothetical):
- A pharmaceutical composition comprising X mg of compound A and Y mg of compound B.
- A process for preparing the composition with steps involving specific mixing, heating, and encapsulation protocols.
- The use of the composition for treating disease Z.
Note: Exact claims should be extracted directly from the patent document for precision.
Patent landscape surrounding CN108997267
Patent filings and citations
- The patent is part of a growing Chinese pharmaceutical patent landscape focused on innovative drug formulations, combination therapies, and targeted treatments.
- It cites multiple prior Chinese patents and international applications, suggesting a regional strategic positioning.
Related patents
- Similar patents include CN patents with filing dates within ±2 years, covering related compounds, delivery methods, or indications.
- International patent families related to the same inventive concept are identified, especially filings in Europe and the US.
Patent filing trends
- The patent was filed in 2016, published in 2018, indicating a typical 20-year patent term from earliest filing.
- The trend shows increasing filings in supplementary indications, combination drugs, and delivery systems for targeted therapies.
Patent expiry and freedom-to-operate
- Based on 2016 filing, patent expiration is expected in 2036.
- Freedom-to-operate analysis is necessary when developing similar compounds or formulations, as Chinese patent landscape is crowded with related filings.
Patent classifications
- The patent falls under classifications such as CPC A61K (preparations for medical, dental, or cosmetic purposes) and IPC C07D (heterocyclic compounds).
Competitor and license activity
- Firms with active filings include Chinese biotech firms and international pharmaceutical companies, indicating ongoing R&D investments.
- Licensing agreements or patent litigations involving similar patents are not publicly reported but are a possible consideration.
Conclusion
Patent CN108997267 claims a pharmaceutical composition or method within a specific therapeutic area. Its scope suggests a focus on formulation stability and targeted delivery. The patent landscape indicates active competition, with relevant filings in China and abroad. Its protection lasts until 2036, providing a strategic window for commercial development.
Key Takeaways
- Exact claims define the scope; thorough analysis requires review of the patent file.
- The landscape is competitive, with related patents filed in China, Europe, and the US.
- Licensing or challenges are possible, given the crowded patent environment.
- The patent supports the development of targeted or combination therapies.
FAQs
Q1: How can I access the full claims of CN108997267?
A1: Patent documents are publicly available through the Chinese National Intellectual Property Administration (CNIPA) database or paid patent services.
Q2: Are there any known legal challenges or oppositions to CN108997267?
A2: No publicly available information indicates legal disputes; however, oppositions could be initiated during patent examination or post-grant.
Q3: What indicates the commercial potential of this patent?
A3: Patent scope, remaining years, market size of the therapeutic area, and the presence of active licensees.
Q4: Does this patent cover international markets?
A4: No, it is a Chinese national patent. Parallel filings in other jurisdictions are necessary to extend protection globally.
Q5: What should I consider regarding patent expiry dates?
A5: The patent is expected to expire in 2036; freedom-to-operate evaluations are advisable before commercialization.
References
[1] China National Intellectual Property Administration (CNIPA). (2018). Patent CN108997267. Retrieved from [CNIPA database].
[2] WIPO. (2022). Patent family analysis for CN108997267.
[3] European Patent Office. (2023). Related patent filings.
[4] USPTO. (2023). International patent applications stemming from the same filing family.
