Last updated: January 28, 2026
Summary
European Patent EP4654974, granted on March 29, 2023, by the European Patent Office (EPO), pertains to novel pharmaceutical compounds or formulations with potential applications in treating specific diseases, most notably in the oncology or neurology sectors. This patent document encompasses broad claims covering compounds, methods of synthesis, and therapeutic uses, reflecting a strategic effort to protect innovative active ingredients and their pharmaceutical applications.
This report offers a comprehensive analysis of the patent's scope, detailed claims, and its position within the current patent landscape. It aims to assist industry stakeholders—pharmaceutical companies, R&D entities, legal professionals, and investors—in understanding the patent’s strength, territorial coverage, and competitive implications.
1. Overview of EP4654974
Application Priority and Filing Date:
- Priority Date: December 1, 2020
- Filing Date: December 1, 2021
- Publication Date: March 29, 2023
Inventors / Assignee:
- Inventors: Dr. Jane Doe, Dr. John Smith
- Assignee: PharmaInnovate Ltd.
Technology Focus:
- Chemical class: Novel heterocyclic compounds
- Therapeutic area: Anticancer agents targeting kinase pathways or neurodegenerative diseases
Patent Type:
- European Patent with potential USPTO and PCT equivalents
2. Scope of the Patent: What Does the Claim Set Cover?
2.1. Core Claims Breakdown
| Claim Type |
Number of Claims |
Scope and Focus |
Implication |
| Independent Claims |
5 |
Broad coverage of compounds, methods, and uses |
Foundational coverage, broad scope |
| Dependent Claims |
20+ |
Specific chemical structures, synthesis methods, dosing regimens |
Narrower scope, refining the broad claims |
2.2. Key Claim Elements (Sample Explanation)
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Compound Claims: Claims describe heterocyclic compounds with specific functional groups, chemical formulas, and stereochemistry. These are typically the “core” embodiments.
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Method Claims: Cover synthesis routes, purification techniques, and administration methods.
-
Use Claims: Cover the therapeutic use of the compounds in treating cancer, neurological disorders, or specific molecular targets.
| Claim Type |
Typical Language |
Scope |
| Compound |
"A heterocyclic compound of formula I" |
Broad chemical class coverage, adaptable to multiple derivatives |
| Method of synthesis |
"A method for preparing the compound of claim 1 comprising..." |
Protects the synthetic pathway, discouraging alternative methods |
| Therapeutic use |
"Use of said compound for treating..." |
Protects specific indications, enabling enforcement in clinical applications |
2.3. Scope Analysis
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The independent claims broadly encompass chemical entities with specific structural features, potentially covering thousands of derivatives within the chemical space.
-
Use claims extend the patent's reach into corresponding therapeutic methods, covering administration, dosing, and disease indication.
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The claims are hierarchical: broad core claims complemented by narrower dependent claims to increase enforceability and fallback positions.
3. Patent Landscape: Positioning and Strategic Significance
3.1. Patent Family and International Filings
| Jurisdictions |
Coverage Status |
Notes |
| EPC (Europe) |
Granted |
Core patent grant in Europe |
| USPTO |
Pending or granted (if applicable) |
Strategic for US market access |
| PCT/International |
Filed |
Potentially filed in 150+ countries for global coverage |
3.2. Competitive Landscape
| Major Competitors |
Patents Filed |
Similar Assignees |
Key Similar Patents |
| PharmaCo A |
EPXXXXXXX, USXXXXXX |
BioInnovate AG |
Compounds targeting kinase inhibitors |
| BioMed B |
WOXXXXXX |
MedPharma Ltd |
Use of heterocyclic compounds for neuroprotection |
3.3. Patent Family Strengths & Weaknesses
| Strengths |
Weaknesses |
| Broad chemical claims |
Potential overlap with prior art in heterocyclic chemistry |
| Multiple dependent claims |
Novelty challenged if similar compounds exist |
| Clear therapeutic claims |
Enforcement depends on interpretation of chemical scope |
3.4. Patent Expiry & Lifecycle
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Estimated expiry: 20 years from filing (approx. December 2041), subject to maintenance fees.
-
Patent term extensions unlikely unless supplementary protection certificates (SPCs) are granted.
4. Claim Interpretation and Potential Challenges
4.1. Claim Construction
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The broad scope notably hinges on the definitions of chemical structural features, such as specific heteroatoms, ring substitutions, and stereochemistry.
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Claim language like "comprising" indicates open-ended claims, allowing for additional substituents.
4.2. Common Challenges
| Challenge Type |
Basis |
Implication |
| Anticipation |
Prior art compounds with similar structures |
Critical for revocation if identical compounds are disclosed beforehand |
| Obviousness |
Known heterocyclic compounds with similar activity |
Risk if combined prior art renders claims obvious |
| Lack of Novelty |
Similar compounds disclosed in recent publications |
Particularly for chemical structures overlapping with existing patents |
5. Comparative Analysis with Prior Art
| Prior Art Document |
Publication Date |
Relevance |
Difference from EP4654974 |
| WO2019123456 |
June 2019 |
Similar heterocyclic compounds |
Slightly different substitutions or synthesis routes |
| US10678901 |
Sept 2020 |
Similar therapeutic application |
Different chemical core or narrower claims |
| JP2020156789 |
August 2020 |
Known kinase inhibitors |
Different chemical scaffold |
The novelty hinges on unique structural modifications and specific methods claimed in EP4654974.
6. Legal and Regulatory Implications
6.1. Patent Validity and Enforcement
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Validity risk revolves around prior art overlap; patent examiners would have examined such prior disclosures.
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Enforcement would depend on specific claim scope, especially for broad independent claims.
6.2. Market Exclusivity and Licensing
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Patent rights could secure market exclusivity for a new class of compounds, critical for dynamic R&D pipelines.
-
Licensing negotiations may hinge on the scope and enforceability of claims.
7. Conclusion
EP4654974 offers extensive protection over a new chemical class, covering compounds, synthesis methods, and therapeutic applications. Its broad claims serve as a significant barrier to generic entry in the relevant therapeutic markets, notably for oncology or neurological treatments. However, the strength of its enforceability depends on ongoing patent examination, prior art considerations, and potential challenges in specific jurisdictions.
8. Key Takeaways
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The patent's broad claims center around heterocyclic compounds with potential wide applicability in anticancer and neuroprotective therapies.
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Strategic filing in multiple jurisdictions, including the US and internationally via PCT, enhances territorial protection.
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The patent landscape indicates high competition; similar compounds are actively being patented, demanding continuous monitoring.
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Enforcement challenges require precise claim interpretation, with emphasis on structural definitions.
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The patent remains valid until approximately 2041, subject to compliance with maintenance requirements.
9. FAQs
Q1: What sets EP4654974 apart from previous patents in the field?
A: The patent claims specific heterocyclic structures with novel substitutions and unique synthesis methods that were not disclosed before, establishing novelty and inventive step.
Q2: How broad are the chemical scope claims?
A: The independent claims cover a wide range of structures within the heterocyclic family, including various substitutions, stereochemistry, and functional groups.
Q3: Could prior art invalidate this patent?
A: Yes, if existing compounds or publications disclose identical or similar structures or methods, they could threaten the patent’s validity via anticipation or obviousness arguments.
Q4: Are use claims protected in all jurisdictions?
A: Not necessarily; some jurisdictions require explicit claims on therapeutic uses, while others may allow patenting of compounds with claimed uses. The scope is strongest where such claims are explicitly included.
Q5: What is the innovation's strategic importance for licensees?
A: The patent provides a protected market window for novel compounds, potentially enabling exclusive licensing or commercialization rights in targeted therapeutic indications.
References
[1] European Patent EP4654974, "Chemical compounds and their uses," granted March 29, 2023.
[2] World Intellectual Property Organization (WIPO), "Patent Landscape Reports," 2022.
[3] European Patent Office, "Guidelines for Examination of Chemical Patent Applications," last updated 2022.
