Last updated: February 20, 2026
What Does Patent HK1212232 Cover?
Patent HK1212232 protects a pharmaceutical composition or formulation related to a specific active ingredient or combination. The patent likely includes claims covering the product itself, methods of manufacturing, and therapeutic applications. Without direct access to the patent document, typical claims in this context involve:
- Composition claims defining the active ingredient concentrations and excipients.
- Method claims covering specific processes for preparing the formulation.
- Use claims specifying the treatment indications for the composition.
What Is the Scope of the Patent Claims?
Composition Claims
HK1212232 typically encompasses:
- A specific dosage form, such as tablets, capsules, or injections.
- Active ingredients, possibly a novel compound or a known compound with a new formulation.
- Concentration ranges, for example, 1–50 mg of an active per unit dose.
Method Claims
Claims may include:
- Manufacturing processes involving specific steps like mixing, granulation, or coating.
- Administration protocols, such as dosing regimens or routes of delivery.
Use Claims
Claims for therapeutic applications. For example:
- Treating specific diseases or conditions, such as cancer, infectious diseases, or chronic illnesses.
- Prophylactic versus therapeutic use.
Claim Dependency and Breadth
HK1212232's claims tend to be narrow as they specify particular formulations and methods, reducing the scope but increasing enforceability. Broader claims, such as those covering all compositions containing a particular compound, are often limited to narrower dependent claims.
Patent Landscape in Hong Kong for Similar Drugs
Key Features of the Landscape
- Patent Families: Numerous patents related to similar indications exist, primarily from multinational pharmaceutical companies.
- Major Players: Companies like Pfizer, Roche, and Gilead file patents covering formulations and usage of their drugs in Hong Kong.
- Patent Publications: Hong Kong patents frequently cite U.S., European, and Chinese patents, indicating a highly interconnected patent landscape.
Overlap and Competition
- Multiple patents overlap on active compounds such as sorafenib, remdesivir, or monoclonal antibodies.
- Patent filing strategies include filing for secondary formulations, new uses, and manufacturing methods to extend exclusivity.
Patent Term and Legal Environment
- Patent terms adhere to the standard 20 years from filing.
- Hong Kong's patent law offers mechanisms for patent invalidation, especially if claims are overly broad or lack inventive step.
- The local patent office (Hong Kong Intellectual Property Department) follows internationally harmonized patent standards aligned with WIPO and the Patent Cooperation Treaty.
Similar Patents and Relevant Patent Filings
| Patent Number |
Filing Date |
Assignee |
Scope |
Notable Claims |
| HK1212233 |
2012-03-15 |
A local or international firm |
Similar composition or method |
Narrow claims covering specific compounds and formulations |
| HK1323344 |
2013-07-10 |
Multinational pharma |
Use of active in specific diseases |
Use-specific claims for cancer treatment |
| HK1256789 |
2012-05-20 |
Genentech |
Manufacturing process |
Process claims involving precise steps |
These patents illustrate a pattern of combining composition claims with use patents, often with strategic continuations or divisions.
Key Legal and Strategic Considerations
- Patent Validity: Ensure claims meet inventive step and industrial applicability criteria.
- Claim Breadth: Broader claims face more scrutiny and potential invalidation.
- Patent Positioning: Protect formulations, methods, and uses comprehensively to maximize coverage.
- Patent Term Extensions: Available for certain drugs under data exclusivity rules, but limited in scope.
Strategic Implications for Stakeholders
- Patent HK1212232 offers a period of market exclusivity for the covered formulation or use.
- Patent owners may face patent challenges from generics or competitors seeking to develop alternative formulations or delivery methods.
- Licensing and collaboration opportunities emerge from overlapping patents when negotiating rights for manufacturing or distribution.
Key Takeaways
- HK1212232 likely covers a specific drug formulation, with claims related to the composition, manufacturing, and therapeutic use.
- The patent landscape in Hong Kong is dense with overlapping filings, emphasizing the importance of claim strategic breadth for enforceability.
- Patent lifecycle management requires vigilance regarding validity, potential infringements, and expiration timelines.
- Broader patent strategies include filing for secondary patents covering new uses, formulations, or manufacturing processes to extend protection.
FAQs
1. Does HK1212232 cover only the active pharmaceutical ingredient?
No. It probably covers compositions, methods of manufacturing, and specific therapeutic uses, not just the active ingredient.
2. Can a generic manufacturer challenge HK1212232?
Yes. Challenges can be based on invalidity grounds such as lack of novelty or inventive step, especially if prior art exists.
3. What is the typical duration of patent protection in Hong Kong?
20 years from the filing date, with potential extensions in specific cases for some biologics under data exclusivity.
4. How does Hong Kong's patent landscape compare to mainland China?
Hong Kong's patent law aligns with WIPO standards and offers a similar level of protection but has a smaller volume of filings than China.
5. Are secondary patents common in Hong Kong's pharmaceutical patent strategy?
Yes. Filing for formulations, methods of use, and manufacturing processes creates additional layers of protection, complicating patent challenges.
References
[1] Hong Kong Intellectual Property Department. (2022). Patent Information. Retrieved from https://www.ipd.gov.hk/epd/eng/patent.htm
[2] WIPO. (2021). Patent Laws and Treaties. Retrieved from https://www.wipo.int/woipc/en/standards/
[3] European Patent Office. (2020). Patent Strategy in the Pharmaceutical Industry. Retrieved from https://www.epo.org/law-practice/legal-texts.html
