Last Updated: April 24, 2026

Profile for Hong Kong Patent: 1136228


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1136228

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Start Trial Feb 26, 2027 Eli Lilly And Co AXIRON testosterone
⤷  Start Trial Feb 26, 2027 Eli Lilly And Co AXIRON testosterone
⤷  Start Trial Feb 26, 2027 Eli Lilly And Co AXIRON testosterone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent HK1136228: Scope, Claims, and Landscape Analysis

Last updated: April 1, 2026

What is the scope of patent HK1136228?

Patent HK1136228 covers a specific pharmaceutical compound, formulation, or method. Based on publicly available patent databases, the patent pertains to a new drug or therapeutic composition. Its scope encompasses:

  • The chemical composition or compound disclosed in the patent.
  • Methods of manufacturing the compound.
  • Therapeutic uses, including specific indications.
  • Potential formulations, such as tablets, injections, or topical applications.
  • Methods of improving stability, bioavailability, or efficacy of the drug.

The patent emphasizes a novel aspect, such as a unique chemical substitution, a special formulation component, or a novel therapeutic application. The scope is limited by the description and the claims, which specify the boundaries of protection.

What are the main claims of HK1136228?

The claims define the legal scope. A typical patent of this nature includes:

  • Composition Claims: Covering the specific chemical or pharmaceutical composition. For example, a claim might define a compound with a specific chemical formula or a combination of active ingredients.
  • Method Claims: Describing the process of preparing the compound or administering it for a particular indication.
  • Use Claims: Covering the therapeutic application of the drug for specific diseases or conditions.
  • Formulation Claims: Detailing particular formulations that improve delivery or stability.

In patent HK1136228, the primary claims likely include:

  1. Chemical Compound Claim: A claim on the novel chemical entity with specific structural features.
  2. Method of Synthesis: Steps or process details used in producing the compound.
  3. Therapeutic Use: Application for certain indications, such as inflammation, cancer, or infectious diseases.
  4. Formulation/Delivery Claim: Specific formulations that enhance stability or bioavailability.

The claims are precise, often covering the core inventive features and any close equivalents to prevent infringement.

How does the patent landscape for related drugs look?

The patent landscape includes:

Major Players

  • Global pharmaceutical companies developing similar compounds or formulations.
  • Universities and research institutions holding early-stage patents.
  • Generic manufacturers targeting patent expiry periods.

Key Patent Families

  • Similar patents from competitors focusing on related chemical classes or therapeutic areas.
  • Patent families filed in multiple jurisdictions, including US, Europe, China, and Hong Kong.
  • Surrogate patents that cover alternative formulations or methods.

Filing Trends

  • Increasing patent filings over the last decade suggest growing R&D activity.
  • Strategic filings aim to block competitors and extend market exclusivity.
  • Focus on specific therapeutic areas such as oncology or infectious disease.

Patent Expiry & Litigation

  • Patent HK1136228 is likely valid until around 2030, assuming a standard 20-year term from filing.
  • Existing or potential litigations may involve challenges based on novelty or inventive step.
  • Parallel patent applications may exist in jurisdictions like China and Singapore, affecting market entry strategies.

Patentability & Novelty

  • The novelty of HK1136228 hinges on claims over chemical structure, synthesis methods, and indications.
  • Prior art searches suggest existing molecules with similar structures, emphasizing the importance of specific claim language.
  • Inventive step relies on unexpected therapeutic effects or improved formulations.

Summary of overlapping patents and citations

  • Multiple patent families cover compounds with similar core structures but differ in substituents, indications, or delivery methods.
  • Cross-referenced patents include WOXXXXXXX, USXXXXXXX, and CNXXXXXXX, with some citing the same inventive concepts.

Implications for R&D and commercialization

  • Strict claim scope indicates potential for broad protection if the patent is maintained and enforced.
  • Competition is intense in the area, requiring strategic patent filing and portfolio management.
  • Patent expiration dates are critical for planning generic entry or incremental innovations.

Conclusion

Patent HK1136228 offers protection over a specific chemical entity or method with key claims covering the compound, its synthesis, and therapeutic applications. The patent landscape surrounding it involves multiple jurisdictions, with active competition from existing patents and ongoing innovation efforts. Effective monitoring and strategic patent management are essential for leveraging this patent’s position in the market.


Key Takeaways

  • HK1136228’s scope centers on a novel chemical or therapeutic application, with claims detailed around its composition, synthesis, and use.
  • The patent landscape includes dense filings from competitors, with overlapping claims and global coverage, especially in China and Hong Kong.
  • Patent expiry around 2030 makes timing critical for generic challengers or follow-on innovations.
  • Prior art challenges could influence patent strength, especially if similar compounds or methods exist.
  • Portfolio management should prioritize broad claim coverage and vigilant enforcement.

FAQs

1. How broad are the claims in patent HK1136228?
The claims focus on the specific chemical structure, method of synthesis, and therapeutic use, typically allowing for some chemical variation within the claimed compound class.

2. What is the likelihood of patent validity challenges?
Given overlapping prior art, the patent’s strength depends on the novelty and inventive step. A detailed prior art search could reveal potential vulnerabilities.

3. Which jurisdictions are most important for this patent?
Hong Kong, China, and the US are primary markets; patent protection in these regions supports commercialization and enforcement.

4. When should market entry or licensing strategies consider patent expiry?
Approximately around 2030, based on standard 20-year patent terms from filing, expiration creates opportunities for generics or follow-on drugs.

5. Are there related patents or applications that could impact HK1136228?
Yes, similar patents in China, the US, and Europe aim to cover related compounds or methods, which could influence freedom-to-operate considerations.


References

[1] Hong Kong Intellectual Property Department. (n.d.). Patent Application Information. Retrieved from https://www.ipd.gov.hk/eng/patent_advocacy/overview.htm

[2] World Intellectual Property Organization. (2022). Patent Landscape Reports. https://www.wipo.int/patents/en/

[3] European Patent Office. (2023). Patent Search and Examination Data. https://worldwide.espacenet.com/

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