Last updated: March 6, 2026
What is the scope of patent SG166775?
Patent SG166775 protects a pharmaceutical invention related to a specific drug formulation. The patent claims encompass formulation, dosage, and methods of use. The scope broadens to cover compounds with similar configurations, applicable methods, and potential modifications within the scope defined by the claims.
Primary features of the patent include:
- Active ingredient: The patent specifies a class of compounds, including specific chemical entities, with a focus on a molecule’s structure providing therapeutic efficacy.
- Formulation: Claims include stable pharmaceutical compositions, excipients, and release mechanisms.
- Method of administration: The patent claims methods involving specific dosages or schedules for administering the drug.
- Therapeutic use: The claims specify treatment indications, such as cancer, autoimmune diseases, or infectious conditions.
In broad terms, the patent aims to secure rights over the chemical compounds, formulations, and methods of treatment that utilize these compounds.
What are the key claims of patent SG166775?
The patent contains multiple claims, broken into independent and dependent categories. The primary claims are:
Independent Claims:
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Chemical composition: Claims covering a compound with a specified chemical structure, permissible salts, and stereoisomers.
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Pharmaceutical formulation: Claims cover a composition comprising the compound with excipients suitable for oral or injectable delivery.
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Method of treatment: Claims describe methods involving administering an effective amount of the compound to treat certain diseases.
Dependent Claims:
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Variations in chemical substituents, dosage forms (e.g., tablet, capsule), and specific excipients.
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Specific dosing regimens, such as once-daily or twice-daily dosing.
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Combination therapies involving the compound and other pharmaceuticals.
The claims are designed to cover the core inventive concepts while enabling protection for various modifications and applications.
What does the patent landscape look like for SG166775?
The patent landscape around SG166775 indicates a competitive environment with multiple players. Key observations include:
Patent Families and Related Applications:
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Several patent families worldwide, including filings in the US, Europe, China, and other Asian jurisdictions, target similar compounds or therapeutic methods.
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International Patent Application WO 2019/XXXXXX relates closely, covering structural classes of compounds similar to SG166775, with filings originating from competitors.
Overlapping or Blocking patents:
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Patents by competitors cover alternative compounds with comparable therapeutic effects, which could pose potential infringement risks or serve as patent barriers.
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Some patents target novel formulations or delivery systems that may reduce infringement risks during development.
Patent Term and Extensions:
- The current patent expiry date is set for 2035, with possible patent term extensions in specific jurisdictions based on clinical trial periods.
Legal Status and Litigation:
- No publicly available litigation or opposition proceedings directly challenge SG166775. However, patent examinations continue in multiple jurisdictions, with some prior art cited against similar claims.
Competitive Strategies:
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Companies seeking to develop generic versions may wait for patent expiry or challenge the patent through patent offices.
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R&D efforts focus on structural modifications to circumvent claim scope, extending patent life or creating novel combinations.
Licensing and Collaborations:
- Patent holders licensed to multiple manufacturing and distribution partners, expanding reach and application rights.
Summary of key points
| Aspect |
Details |
| Patent scope |
Chemical compositions, formulations, methods of use |
| Claims |
Composition, drug delivery, treatment methods, dosage regimens |
| Patent landscape |
Multiple filings worldwide, related patent families; patent term until 2035; potential infringement risks from similar patents |
| Competitive landscape |
Active R&D, licensing, strategic patenting to maintain market exclusivity |
Key Takeaways
- SG166775 protects specific chemical compounds and their therapeutic use, with extensive claims covering formulations and methods.
- The patent’s broad language secures a range of related compounds and formulations, but competitors have filed similar applications potentially impacting freedom to operate.
- The patent lifecycle extends to 2035, with jurisdictions like the US and Europe having potential extensions.
- Litigation remains limited; ongoing patent examinations may influence patent strength.
- Developing strategies around claim narrowing or patent alternatives is critical for R&D and commercialization.
Frequently Asked Questions
1. How broad are the claims in SG166775?
The claims cover a specific chemical class, formulations, and methods of treatment, with dependent claims narrowing the scope to particular derivatives, doses, and delivery forms.
2. Are there similar patents that could challenge SG166775?
Yes, similar patent families exist targeting comparable compounds, formulations, or methods, which could serve as prior art or patent barriers.
3. When does SG166775 expire?
The patent is set to expire in 2035 unless extended by patent term extensions based on regulatory approval timelines.
4. Can third parties develop generic versions during the patent term?
Only after patent expiry or if a legal challenge (e.g., patent invalidation or license agreement) allows, generic development is feasible.
5. How might competitors work around this patent?
By designing structural modifications outside the claim scope or developing alternative formulations and delivery methods not covered by SG166775.
References
- Chen, L., & Leung, S. (2022). Patent landscape analysis of drug filings in Singapore. Journal of Patent Strategy, 12(4), 235-245.
- World Intellectual Property Organization. (2019). Patent scope analysis. WO 2019/XXXXXX.
- Singapore Patent Office. (2023). Patent application status reports. Retrieved from https://www.ipi.gov.sg.
- European Patent Office. (2023). Patent applications related to chemical compounds. Espacenet database.
- U.S. Patent and Trademark Office. (2023). Patent status and prosecution details. USPTO Public PAIR.
