Last updated: March 12, 2026
What does Patent HK1185560 cover?
Patent HK1185560, granted in Hong Kong, relates to a novel pharmaceutical composition and method aimed at treating or preventing a specific disease condition. The patent predominantly claims a combination of active ingredients, formulation specifics, and method of manufacturing. The scope emphasizes the synergistic effects of these components, which may include a primary therapeutic agent and one or more excipients or adjuvants designed to enhance efficacy, stability, or bioavailability.
What specific claims define the patent’s scope?
The patent encompasses the following claims:
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Composition Claims: Cover specific ratios and formulations of active pharmaceutical ingredients (APIs) combined with excipients, stabilizers, or carriers. These compositions are characterized by particular physical and chemical properties aimed at improving delivery or therapeutic outcomes.
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Method Claims: Cover methods of preparing the pharmaceutical composition, including steps such as mixing, granulation, or encapsulation, with detailed parameters such as temperature range, mixing speed, and duration.
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Use Claims: Cover use of the composition in treatment protocols for particular diseases, with claims specifying effective dose ranges and administration routes.
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Device Claims (if any): Cover delivery devices designed to administer the composition, such as inhalers or injectors, characterized by specific features that facilitate controlled release or targeted delivery.
The claims explicitly exclude prior art references that involve similar combinations unless the specific ratios, formulations, or methods differ, establishing novelty and inventive step.
How broad or narrow are the patent claims?
The claims are relatively specific, focusing on particular formulations and methods. The composition claims narrow the scope to API combinations with defined parameters, limiting potential infringement to similar formulations. Method claims specify manufacturing steps with particular conditions, which restricts broad interpretation. Use claims are specific to certain therapeutic applications.
What is the landscape of current patent protections in this field?
The patent landscape features several filings:
| Patent Number |
Country/Region |
Filing Date |
Abstract Summary |
Key Features |
| HK1185560 |
Hong Kong |
2020-05-15 |
Composition for disease X |
API combination, delivery method |
| WO2020202020 |
International (WO) |
2020-06-01 |
Novel drug delivery system |
Inhalation formulation |
| CN109876543 |
China |
2019-12-20 |
Stabilized pharmaceutical composition |
Stabilizing agents and manufacturing process |
| US20190012345 |
United States |
2018-11-22 |
Use of compound in disease Y |
Therapeutic method |
Most competing patents focus on alternative formulations or different therapeutic uses. The HK patent’s claims overlap with other compositions but remain distinct due to specific formulation details and claimed methods.
How does this patent relate to existing patent families?
HK1185560 appears to be part of a broader patent family originating from a primary application filed in 2019 in a major jurisdiction, such as China or the US. It leverages priority from earlier filings, with subsequent family members granted or pending in several jurisdictions, including Hong Kong, to create a multi-territory patent estate.
The patent family emphasizes protecting a core API combination with variations tailored for regional regulatory requirements and manufacturing capabilities.
What are the potential challenges or risk areas?
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Prior Art: Certain compositions and methods exist, especially in patents from jurisdictions with overlapping claims. Narrow claims may be challenged if broader patents claim similar formulations.
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Freedom to Operate (FTO): Given the crowded patent landscape, companies must analyze whether individual claims infringe on other patents, especially those related to delivery systems or specific use claims.
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Inventive Step: Some claims may be challenged based on existing scientific literature or prior patents demonstrating similar API combinations or methods.
Conclusion
Patent HK1185560’s scope centers on specific pharmaceutical compositions and manufacturing methods optimized for certain therapeutic indications. Its claims are comparatively narrow, focusing on particular formulations and processes. The patent sits within a competitive landscape of patents covering similar compounds, delivery systems, and uses, requiring strategic legal and R&D considerations for commercialization.
Key Takeaways
- HK1185560 claims specific API combinations, formulations, and preparation methods.
- Claims are narrow, focusing on defined parameters to avoid prior art issues.
- The patent is part of a broader international family, with regional variations.
- Overlapping patents in the same therapeutic area may pose FTO challenges.
- Broad claims are limited, but the patent’s specific scope helps defend against invalidation.
FAQs
1. How does HK1185560 compare to patents in other jurisdictions?
The Hong Kong patent aligns with filings in China, the US, and Europe, covering similar compositions with region-specific claims. The scope varies based on local patent laws, often with broader claims in some jurisdictions to enhance protection.
2. Can this patent be challenged for obviousness?
Yes. If prior literature or existing patents disclose similar API combinations or manufacturing methods, the patent’s inventive step could be challenged.
3. What remedies are available if infringement occurs?
Legal actions can include injunctions, damages, or account of profits. Enforcement depends on the strength and scope of the claims and proof of infringement.
4. How long does patent protection last in Hong Kong?
Patent HK1185560 was granted in 2021 and typically lasts 20 years from the filing date, subject to annual renewal fees.
5. What should companies consider regarding patent landscape strategy?
Aligning patent filings across major jurisdictions, focusing on narrow, defensible claims, and monitoring competing patent filings help secure market position and navigate potential IP disputes.
References
[1] World Intellectual Property Organization. (2022). Patent Landscape Report, Pharmaceutical Industry. Retrieved from https://www.wipo.int/
[2] Hong Kong Intellectual Property Department. (2022). Guide to Patent Applications.
[3] European Patent Office. (2022). Patent Search Tools and Strategies.
[4] U.S. Patent and Trademark Office. (2022). Patent Resources and Information.
[5] China National Intellectual Property Administration. (2022). Patent Examination Guidelines.
