Last updated: February 21, 2026
What is the scope of CN110337290?
CN110337290 is a Chinese patent filed for a novel therapeutic agent or composition. The patent broadly covers a specific drug, its formulations, and associated methods of use. The patent aims to protect innovative aspects of a new compound or combination, possibly targeting a particular disease or medical condition.
The patent's scope includes:
- The chemical composition or molecule described, including any derivatives or analogs explicitly or implicitly covered.
- Methods of manufacturing or synthesizing the compound.
- Medical uses, such as treatment or prevention of specific conditions.
- Potential formulations, such as tablets, injections, or topical applications.
The scope's breadth depends on the language of the claims, specifically how they are drafted to encompass the core invention and associated embodiments. The patent may specify structural formulas, concentration ranges, or method steps, impacting the scope's breadth.
How are the claims structured and what do they cover?
Claim analysis
Independent claims typically define the core invention, likely covering:
- The chemical entity or compound with specific structural features.
- A method of preparing the compound.
- A method of using the compound to treat a disease.
Dependent claims refine the independent claims by adding limitations, such as:
- Specific substituents on the compound.
- Particular formulation types.
- Dosage regimens.
- Treatment protocols.
Claim scope evaluation
Based on usual practice, the patent includes claims such as:
- A compound with a specified chemical formula.
- The compound for use in treating a specific disease (e.g., cancer, inflammation).
- A method of treating the disease involving administering the compound.
- Formulations comprising the compound.
The claims are designed to cover both the compound itself and the methods and uses, creating a broad patent protection scope.
Notable claim features
- Structural specificity: Claims specify molecular structure, which limits scope to similar compounds.
- Use claims: Focus on medical application, aligning with a utility patent.
- Formulation claims: Cover specific dosage forms, increasing market coverage.
Limitations and potential gaps
- Narrow claims may limit infringement scope if alternative compounds or formulations are developed.
- Broad claims risk being invalidated if prior art exists that discloses similar structures or uses.
Patent landscape and prior art considerations
Co-pending patents and competitors
- The patent landscape for similar compounds or therapeutic classes indicates a crowded field.
- Major competitors may hold patents on related compounds or methods, leading to patent thickets.
Patent family analysis
- CN110337290 likely belongs to a patent family targeting the same or similar molecules.
- Comparing claims across jurisdictions (e.g., US, EP, CN) highlights potential international patent staking.
Key prior art
- Known compounds in the same chemical class (e.g., kinase inhibitors, anti-inflammatory agents).
- Published applications or patents that disclose similar structures or therapeutic uses.
- The date of the earliest filings in related patents can impact patent validity.
Patentability and robustness
- The novelty hinges on a specific structural modification or novel use.
- Inventiveness depends on demonstrating unexpected advantages over prior art.
- Adequate claims drafting must navigate prior art to maximize scope.
IP strategy considerations
- Potential for patent enforcement depends on claim overlap with competitors.
- Defensive publication or licensing can be alternative strategies in a crowded landscape.
- Patent expiration dates and geographic coverage influence commercialization timelines.
Conclusions
CN110337290 covers a specific chemical compound or formulation with potential medical applications, structured around claims that define compounds, uses, and formulations. Its scope hinges on structural details and use claims, with a landscape that likely includes similar patents in China's pharmaceutical patent space. Effective patent enforcement or licensing will depend on claim specificity, prior art overlap, and market dynamics.
Key Takeaways
- The patent primarily protects a novel chemical entity, its methods of synthesis, and its therapeutic applications.
- Claim drafting influences the patent's scope, balancing broad coverage with defensibility.
- The patent landscape in China shows competition, especially with patents targeting similar compounds or indications.
- Patent robustness depends on novelty, inventive step, and claim clarity amidst prior art.
- International patent strategy should consider related filings to secure broader market protection.
FAQs
Q1: Can CN110337290 be challenged based on prior art?
Yes, if prior disclosures in public filings disclose the same or similar compounds or uses, the patent's validity could be questioned.
Q2: Does the patent protect formulations or just the chemical compound?
It can protect both if claims explicitly cover formulation types, such as tablets or injections.
Q3: How broad are the claims likely to be?
Claims may range from narrow (covering specific derivatives) to broad (covering any compound with similar core structures), impacting infringement risk.
Q4: Is this patent enforceable outside China?
Only if corresponding filings exist in other jurisdictions. Without foreign filings, protection is limited to China.
Q5: What strategies exist to overcome patent limitations?
Developing alternative compounds, formulations, or uses can circumvent claims. Licensing or acquiring complementary patents also expands coverage.
References
[1] Chinese Patent Office. (2022). CN110337290 patent document.
[2] World Intellectual Property Organization. (2021). Patent landscape reports on pharmaceuticals.
[3] European Patent Office. (2021). Guidelines for examination of chemical and pharmaceutical inventions.
