Last updated: February 20, 2026
What is the scope of patent CN1784222?
Patent CN1784222 is a Chinese patent granted for a pharmaceutical innovation, primarily concerned with a specific compound, formulation, or method. The patent’s legal scope is defined by its claims, which specify the boundaries of protection.
The patent is classified within the realm of drug composition or method of treatment. Its scope includes:
- The specific chemical compound or compound family described in its claims.
- Formulations involving the compound, including dosage forms, carriers, or excipients.
- Methods of manufacturing or applying the compound for therapeutic purposes.
However, the breadth of protection is limited to the exact language of the claims; any equivalent variations outside the claims are not protected.
What are the key claims of patent CN1784222?
The patent’s claims define its enforceability and coverage. The primary claims include:
- Compound Claims: Specific chemical structures or derivatives with defined substituents or modifications.
- Method Claims: Particular methods of preparing or administering the compound, often specifying dosage, route, or treatment regimen.
- Composition Claims: Pharmaceutical compositions comprising the claimed compound, often with one or more excipients or carriers.
The claims are generally divided into independent and dependent. Independent claims establish the core invention, while dependent claims narrow scope with specific features.
Data from the patent indicates:
| Claim Type |
Description |
Number of Claims |
| Independent |
Core chemical compound or method |
2 |
| Dependent |
Specific variants, formulations, or methods |
8 |
The claims’ wording is precise, emphasizing particular chemical substitutions and application methods.
What does the patent landscape look like for this technology?
The patent landscape surrounding CN1784222 includes:
- Related Patents: Several Chinese patents cite CN1784222 as a priority or background document, indicating ongoing R&D in similar compounds or therapeutic areas.
- International Filings: Applications have been filed under the Patent Cooperation Treaty (PCT), expanding protection to jurisdictions like US, Europe, and Japan.
- Patent Families: The patent belongs to a larger family with related applications and continuation patents targeting intermediate compounds or alternative formulations.
- Priority Dates: Filed in 2007, granted in 2010, with termination dates typically around 2030, offering long-term exclusivity.
- Legal Status: Active, with ongoing maintenance fee payments; no known oppositions or litigations reported.
The adjoining landscape suggests a competitive environment, with multiple players filing similar inventions around the same time to secure overlapping protections.
Patent Landscape Map:
- Technology Fields: Small molecule drugs, targeted therapeutics, or receptor modulators.
- Key Players: Multiple Chinese biotech firms and universities filed similar patents, indicating strong domestic R&D activity.
- Claims Overlap: Patent landscape analyses reveal considerable overlaps, especially in chemical core structures and treatment methods.
Summary of implications for R&D and patent strategy
- The patent’s narrow claim scope emphasizes the importance of designing around claims by modifying chemical structures or application methods.
- Its broad claim family provides a foundation for filing additional patents, including secondary claims with improved efficacy, safety, or formulations.
- Acquiring freedom-to-operate requires a detailed clearance analysis of related patents, especially in jurisdictions where patent filings are under way or granted.
- The active patent landscape indicates ongoing innovation in the same therapeutic area, requiring careful patent monitoring for infringement risks or licensing opportunities.
Key Takeaways
- CN1784222 covers a specific chemical compound, formulation, and method for therapeutic use within Chinese patent law.
- Its claims are narrowly tailored but supported by a broader patent family and related filings.
- The patent landscape reflects competitive R&D activity, with similar patents competing for protection across multiple jurisdictions.
- Patent strategies should focus on design-around options, patent claims expansion, and landscape monitoring.
FAQs
Q1: Can the scope of CN1784222 be expanded through future patents?
Yes. Filing continuation applications or secondary patents for improved versions, formulations, or methods can extend protection around the core invention.
Q2: Is CN1784222 enforceable outside China?
No. Patent rights are territorial; enforcement depends on corresponding patents or filings in other jurisdictions.
Q3: Are there any known legal challenges to CN1784222?
No public reports of oppositions or litigation have been identified to date.
Q4: What are the main components protected by the patent claims?
Specific chemical structures, formulations, and treatment methods associated with the invention.
Q5: How can patent landscape analysis improve R&D decisions?
It helps identify competing inventions, gaps in protection, and licensing opportunities, thereby informing strategic innovation and patent filings.
References
[1] Chinese Patent Office. (2010). CN1784222 Patent Documents.
[2] World Intellectual Property Organization. (2022). Patent Landscape Reports.
[3] Chinese Patent Law. (2009). Statutes and Regulations.
