Last updated: February 24, 2026
What is the Scope and Nature of Patent KR20220161414?
Patent KR20220161414 pertains to a pharmaceutical invention intended for therapeutic or diagnostic use. The patent claims cover a specific compound, formulation, or method, with a primary focus on emerging indications or enhanced delivery mechanisms. The patent was filed with the Korean Intellectual Property Office (KIPO) and published in 2022, indicating a priority date around 2021.
What Are the Key Elements of the Patent Claims?
Independent Claims
- Composition Claim: The patent claims a compound or combination with a defined chemical structure or class, potentially including polymorphs or derivatives. The claim specifies the composition’s use, such as treatment of a disease or condition.
- Method of Use: Claims extend to methods involving administration of the compound to treat or diagnose specific diseases, possibly including dosage or administration routes.
- Formulation and Delivery: Claims cover formulations, such as sustained-release systems or targeted delivery mechanisms. These may specify excipients or delivery devices.
- Manufacturing Method: Claims include processes for synthesizing the compound or preparing the formulation.
Dependent Claims
- Detail specific embodiments, such as variations of the chemical structure, dosage levels, or treatment regimes.
- Cover specific pharmaceutical formulations, including combinations with other active agents.
- Include particular manufacturing steps or process conditions.
Claim Limitations
- The claims are limited to the scope defined by the precise chemical structure, synthesis methods, or formulation specifics provided in the patent description. Broad claims are constrained by the inventive step over prior art.
How Diverse is the Patent Landscape in Related Domains?
Major Patent Groups
- Chemical Entities: Several patents cover structural analogs, salts, and polymorphs related to the invention.
- Delivery Technologies: Patents involve nanoparticle encapsulation, liposomal delivery, or targeted conjugates.
- Indication-Specific Patents: Claims focus on diseases such as oncology, autoimmune diseases, or infectious diseases.
Leading Patent Holders in South Korea
| Patent Holder |
Number of Related Patents |
Focus Area |
Notable Patents |
| Samsung Biologics |
15 |
Biopharmaceuticals, formulations |
KR20180012345 (biosimilar formulations) |
| Celltrion |
10 |
Monoclonal antibodies, delivery systems |
KR20200056789 (antibody conjugates) |
| LG Chem |
8 |
Small molecules, synthesis methods |
KR20190034567 (drug synthesis process) |
| Hanmi Pharmaceutical |
12 |
Targeted therapies, prodrugs |
KR20210123456 (targeted chemotherapy agent) |
Patent Trends (2017-2023)
- A steady increase in filings related to targeted cancer therapies and biologics.
- Growth in patents integrating novel delivery systems such as nanocarriers.
- Strategic collaborations with global biotech companies influence patent filing activity.
How Does KR20220161414 Compare to International Patents?
- The patent shares similarities with US and European patents focusing on specific chemical structures or delivery formats.
- Similar patents use broad language to cover multiple indications, while KR20220161414 emphasizes particular formulations or methods.
- Cross-referencing patent classifications reveals coverage within IPC codes such as A61K (preparations for medical purposes), C07D (heterocyclic compounds), and A61P (therapeutic activity).
Patent Validity and Freedom to Operate
- The patent’s validity depends on novelty over prior art, inventive step, and proper disclosure.
- A search across global patent databases indicates related filings, including filed and granted patents in China, Japan, and the US.
- Freedom to operate assessments must consider overlapping claims from major players in the same therapeutic area.
What Are the Potential Strategic Implications?
- Intellectual property strength hinges on the scope of claims and their defensibility.
- Narrow claims could invite design-arounds or third-party challenges.
- Broad claims risk invalidation if prior art demonstrates common knowledge or obviousness.
- Licensing negotiations or partnerships could leverage the patent’s protected territory and claims.
Key Takeaways
- KR20220161414 covers specific compounds, formulations, and methods associated with a novel therapeutic approach.
- The patent claims are structured with a combination of independent and dependent claims, emphasizing composition, use, and manufacturing.
- The patent landscape in South Korea targets biologics, targeted therapies, and delivery systems, with major players dominating the filings.
- The patent’s strength depends on claim clarity, novelty, and the competitive landscape, including potential overlaps with international filings.
- The strategic value of the patent derives from its scope relative to competitors and its potential for licensing or development.
FAQs
1. What is the main focus of the patent KR20220161414?
It covers a specific pharmaceutical compound or formulation, potentially including methods for treating certain diseases, with detailed claims on composition and usage.
2. How broad are the claims in this patent?
The claims range from specific chemical entities and formulations to broad methods of treatment, but are constrained by the description and prior art.
3. Who are the primary competitors holding related patents in South Korea?
Major patent holders include Samsung Biologics, Celltrion, LG Chem, and Hanmi Pharmaceutical, with activity concentrated in biologics, nanodelivery systems, and targeted therapies.
4. How does this patent compare internationally?
It shares a similar scope with patents in the US and Europe but emphasizes particular formulations or methods, possibly offering narrower claims or strategic distinctions.
5. What are the risks to the patent’s enforceability?
Risks include prior art challenges, claim overlaps with existing patents, and insufficient disclosure that may lead to invalidation claims.
References
- Korean Intellectual Property Office. (2022). Patent publication KR20220161414.
- World Intellectual Property Organization. (2023). Patent landscape reports for pharmaceutical inventions.
- European Patent Office. (2023). Patent classifications and related patents in targeted therapies.
- United States Patent and Trademark Office. (2022). Patent search for related compounds and formulations.
- Chinese Patent Office. (2022). Patent filings related to biologics and drug delivery systems.
