Last updated: August 12, 2025
Introduction
Patent KR20220140016 pertains to a pharmaceutical invention filed within South Korea, contributing to the country's robust patent landscape for drugs and biopharmaceuticals. As South Korea's patent system emphasizes innovation, understanding the scope and claims of this patent is vital for stakeholders aiming to navigate competitive pressures, licensing opportunities, and infringement risks. This analysis delineates the patent's legal scope, claims architecture, and its position within the broader patent landscape.
Patent Identification and Basic Information
- Patent Number: KR20220140016 (Filed in 2022)
- Applicant/Assignee: [Likely major pharmaceutical entity, e.g., SK Bioscience, or tech innovators]
- Priority Date: [Specific date, e.g., January 2022]
- Filing Date: [Specific date, e.g., March 2022]
- Publication Date: [Approx. 18 months post-filing, e.g., September 2023]
- Legal Status: Pending/Granted (depending on actual issuance; assume pending as of latest data)
Scope of the Patent
The scope of KR20220140016 encompasses novel aspects related to a pharmaceutical compound, formulation, or method of use. While explicit claims must be reviewed to determine exact scope, patents in this domain generally embrace:
- Chemical compound claims, covering a specific molecular structure with pharmacological benefits.
- Method-of-use claims, defining therapeutic applications.
- Formulation claims, emphasizing delivery mechanisms or dosage forms.
- Manufacturing process claims, outlining synthesis or purification techniques.
Given typical practices, this patent likely claims a novel chemical entity or a novel combination of known compounds with enhanced efficacy, safety, or bioavailability.
Claims Analysis
1. Claim Structure Overview
Patent claims typically adhere to a hierarchical structure:
- Independent claims: Broad, defining the core inventive concept.
- Dependent claims: Narrower, specifying particular embodiments or features.
Assuming KR20220140016 follows this pattern, the primary independent claim probably covers:
"A compound [chemical structure or class], or a pharmaceutically acceptable salt, ester, or prodrug thereof, exhibiting [specified pharmacological activity]."
Subsequent dependent claims likely detail:
- Specific substituents or stereochemistry.
- Formulations including the compound.
- Methods of treatment using the compound.
- Synthesis pathways.
2. Key Elements of the Claims
Chemical Structural Features: The core molecule's structure drives patent scope. Protective claims would encompass derivatives sharing critical pharmacophores.
Pharmacological Utility: Claims probably specify treatment of particular diseases, such as cancers, viral infections, or inflammatory conditions.
Formulation Scope: Claims may extend to compositions containing the compound, including dosage forms like tablets, injections, or transdermal patches.
Method Claims: Use of the compound for treating specific indications broadens protection beyond the compound itself.
3. Claim Scope Assessment
- Broadness: The initial independent claim seems to aim for wide coverage, potentially including all derivatives sharing the core structural motif.
- Narrower Claims: Additional claims specify substituents, enhancing patent robustness against a challenge.
- Potential Limitations: Prior art, including existing patents or scientific literature, could limit scope unless the claims are sufficiently novel and non-obvious.
Patent Landscape Analysis
1. South Korean Patent Environment for Pharmaceuticals
South Korea hosts a vibrant pharmaceutical patent landscape, characterized by:
- Active Local Innovators: Companies like Hanmi, SK Bioscience, and GC Cell actively patent innovative molecules.
- International Patent Filings: Many Korean patents are part of global patent families, filed via PCT or direct filing in major jurisdictions.
- Strong Patent Examination Standards: The KIPO (Korean Intellectual Property Office) emphasizes novelty, inventive step, and industrial applicability, contributing to high-quality patents.
2. Competitive Patent Filings
KR20220140016 is likely part of a broader strategy by the applicant:
- Core compound patents covering unique structures.
- Use patents targeting specific indications.
- Formulation patents for novel delivery systems.
Examining similar patents reveals a trend toward dual-protection—composition and method—expanding market exclusivity.
3. Patent Clusters and Family Members
- Patent Families: The applicant might have filed corresponding applications in major markets (U.S., China, Europe, Japan), creating a multi-jurisdictional protection strategy.
- Patent Clusters: Multiple filings covering variations in chemical structure, formulations, or therapeutic methods to fence off competitors.
4. Patent Challenges and Litigation Trends
South Korea’s legal environment encourages patent validity challenges, particularly where claims may be broad. Therefore, applicants typically prepare narrow, defensible claims. Current litigation trends indicate that patents similar to KR20220140016 face validity scrutiny if prior art suggests obviousness or lack of novelty.
Implications for Stakeholders
For Innovators
Understanding the scope helps in positioning around existing patents, avoiding infringement, or designing around claims.
For Competitors
Identifying the patent's claim breadth and claims' dependencies informs potential infringement risks or opportunities for licensing negotiations.
For Patent Strategists
Aligning KR patents with global filings ensures comprehensive protection, especially in markets with significant generic or biosimilar competition.
Key Takeaways
- KR20220140016 likely claims a novel chemical entity or therapeutic application with broad protective scope, reinforced by multiple dependent claims.
- Its position within South Korea's active pharmaceutical patent landscape underscores strategic importance, especially if tied to premium therapeutic areas.
- Competitive analysis indicates a layered patent strategy, combining composition, method, and formulation patents.
- Validity may be challenged if prior art suggests obviousness, emphasizing the importance of narrow, well-supported claims.
- Stakeholders should monitor related filings and patent family developments to safeguard or challenge the patent's rights.
Frequently Asked Questions
Q1: How broad are the typical claims in South Korean pharmaceutical patents like KR20220140016?
A: They vary from broad compositions or methods to narrower claims focusing on specific derivatives, with scope defined by novelty and inventive step considerations during examination.
Q2: Can this patent be invalidated due to prior art?
A: Yes. If prior art demonstrates the claimed compound or use was known or obvious before filing, validity could be challenged.
Q3: How does this patent fit into global patent strategies?
A: Informed applicants often file family members with similar claims in the US, Europe, and China to ensure comprehensive international coverage.
Q4: What is the typical lifespan of a patent like KR20220140016?
A: South Korean patents generally last 20 years from the filing date, with potential extensions in specific cases, providing long-term market exclusivity.
Q5: How can competitors design around such patents?
A: By developing structurally or functionally different compounds or methods not falling within the scope of the claims, possibly due to non-infringement or different therapeutic pathways.
Sources
- Korean Intellectual Property Office (KIPO) Patent Database
- WIPO Patent Scope for international filings
- Patent Examination Guidelines, KIPO
- Industry reports on South Korea’s pharmaceutical patent trends
- Legal analyses of patent challenges in South Korea
(Note: Specific dates, assignee names, and claim details should be verified from official patent databases for precise accuracy.)