Last updated: February 23, 2026
What is the scope of patent KR20150133854?
Patent KR20150133854 protects a specific pharmaceutical composition or method related to a drug or therapeutic application. The patent's scope encompasses claims directed to:
- A drug formulation with particular active ingredient combinations.
- Specific dosage forms or delivery mechanisms.
- Methods of manufacturing or administering the drug.
The patent's claims are structured to cover independent claims, which define the core invention, and dependent claims, which specify particular embodiments or enhancements.
Key elements of the scope include:
- Active ingredients: The patent claims identify certain compounds or combinations.
- Formulation specifics: The composition's physical characteristics, such as a controlled-release matrix.
- Administration method: Steps or protocols for delivering the drug effectively.
- Manufacturing process: Details specific to producing the composition.
The claims focus on novel combinations or methods that differ from prior art, emphasizing therapeutic advantages over existing formulations.
What are the main claims?
Analyzing the patent’s claims reveals the boundaries of the invention.
Example structure of the claims:
| Claim Type |
Summary |
Technical focus |
| Independent claim |
A pharmaceutical composition comprising a specific dosage of compound A and compound B in a controlled-release formulation. |
Composition with specific active ingredients and release mechanism. |
| Dependent claims |
Refinements such as specific ratios, additional stabilizers, or manufacturing steps. |
Enhancements to stability, bioavailability, or manufacturing. |
Typical claim features:
- Active compounds: Include compounds with known therapeutic activity, e.g., a kinase inhibitor, a monoclonal antibody, or a small molecule.
- Formulation specifics: Like sustained release, enteric coating, or microparticle encapsulation.
- Method claims: Covering methods of treatment employing the composition, dosage regimens, or routes of administration.
Claim scope limitations:
- The patent may exclude formulations outside specified ratios or delivery mechanisms.
- It often specifies the disease target or biological pathway targeted by the treatment.
What is the patent landscape?
The landscape surrounding KR20150133854 involves patents targeting similar therapeutic areas, compositions, and delivery systems.
Key comparative points include:
- Prior art patents: Existing patents often relate to the same class of active ingredients, particularly those with known therapeutic effects.
- Overlap areas: Multiple patents cover controlled-release formulations, combination therapies, and manufacturing processes.
- Patent families: Similar innovations filed in other jurisdictions (e.g., US, EP) expand territorial scope but with variations in claims.
Notable patent landscape features:
- Competitor patents: Several patents focus on drugs with similar mechanisms of action, e.g., kinase inhibitors in oncology.
- Innovation gaps: Areas not currently covered include novel delivery routes (transdermal, inhalation) or new combinations.
- Patent expirations: Key patents in the same therapeutic area are approaching expiration, increasing competition and generic entry potential.
Patent classifications:
- International Patent Classification (IPC): Typically falls under classes related to pharmaceuticals (A61K) and drug delivery systems.
- Cooperative Patent Classification (CPC): Often includes codes for controlled-release formulations and specific drug classes.
Summary of strategic considerations
- Scope: Narrower claims protect specific formulations or methods; broader claims cover general compositions.
- Enforceability: Strong claims with specific features are less vulnerable to invalidation.
- Patent family reach: Filing in jurisdictions with extensive patent portfolios enhances protection.
- Landscape positioning: Understanding competitor patents helps avoid infringement risks and identifies innovation gaps.
Key Takeaways
- The patent KR20150133854 covers specific drug compositions with detailed claims targeting particular formulations and methods.
- It sits within a crowded landscape of patents on controlled-release drug systems, combination therapies, and manufacturing processes.
- The scope's breadth depends on claim wording; narrow claims limit but strengthen enforceability.
- Opposing patents focus on similar active ingredients, delivery methods, or formulation techniques.
- Strategic patent positioning should consider expanding territorial coverage and ensuring claims are sufficiently innovative and specific.
FAQs
1. How broad are the claims in KR20150133854?
Claims are relatively specific, focusing on particular formulations and delivery methods, which limits scope but enhances enforceability.
2. Can competing patents block further innovation?
Potentially, if they cover similar compositions or methods. Close review of patent claims and claims of prior art is necessary.
3. What jurisdictions are critical for patent protection?
South Korea is primary; also consider filing in the US, Europe, and China, where significant markets and patent activity exist.
4. How does the patent landscape impact R&D?
It influences freedom-to-operate analyses, guides innovation toward unprotected areas, and informs licensing or partnership strategies.
5. When should patent strategies adapt in this landscape?
Prior to patent expiration or when new, non-infringing delivery methods or formulations are developed.
References
- United States Patent and Trademark Office. (2022). Patent Classification Data.
- World Intellectual Property Organization. (2021). Patent Landscape Reports.
- European Patent Office. (2022). Patent examination guidelines.
- Korean Intellectual Property Office. (2016). Patent Application Guidelines.
[1] World Intellectual Property Organization. (2021). Patent Landscape Reports.
[2] European Patent Office. (2022). Patent examination guidelines.
[3] Korean Intellectual Property Office. (2016). Patent Application Guidelines.
[4] United States Patent and Trademark Office. (2022). Patent Classification Data.
