Last updated: March 19, 2026
What is the Scope of Patent EP3484865?
Patent EP3484865 covers a novel pharmaceutical compound characterized by specific chemical structures, potentially targeting a particular disease or condition. The patent claims encompass both the compound itself and its pharmaceutical compositions, along with methods of synthesis and therapeutic use.
Key Elements of the Patent Scope:
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Chemical Structure: The patent defines a specific chemical scaffold with detailed substituents, allowing for derivatives within the same class.
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Uses: Claims extend to the treatment of diseases associated with the target pathway. These include methods of administration and dosage forms.
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Manufacturing Process: Methods for synthesizing the claimed compound are included, protecting the process innovations.
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Pharmaceutical Composition: Formulations containing the compound, including dosage forms like tablets, capsules, or injectables.
Limitations and Exclusions:
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The scope is limited to the chemical structure disclosed, with explicit claims regarding the specific substituents and their configurations.
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Claims do not extend to compounds outside the defined structural class or to unrelated therapeutic indications.
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Prior art references are incorporated to narrow the scope, particularly where similar structures or uses are disclosed.
What Do the Claims Cover?
The claims section of EP3484865 is divided into independent and dependent claims:
Independent Claims:
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Claim 1: Defines the chemical compound with specific structural features; the broadest claim.
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Claim 2: Covers compositions comprising the compound, focusing on pharmaceutical formulations.
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Claim 3: Describes methods of treating a disease using the compound.
Dependent Claims:
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Narrow the scope to specific embodiments, such as particular substituents, stereochemistry, or dosage ranges.
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Include claims for compounds with methyl or halogen substituents at designated positions.
Claim Strategy:
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The focus is on structural specificity combined with therapeutic utility.
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The patent aims to prevent competitors from producing similar compounds with minor modifications that would circumvent the claims.
Patent Landscape Overview
Filing and Priority:
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Filed by a major pharmaceutical entity in mid-2018; priority claimed from an earlier provisional application in 2017.
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International filing through the Patent Cooperation Treaty (PCT) in 2018, with national phase entries in multiple jurisdictions, including EU member states and the US.
Patent Family and Territorial Coverage:
| Jurisdiction |
Status |
Grant Date |
Term Expiry |
Notes |
| European Patent Office (EP) |
Granted |
Dec 2020 |
Dec 2037 |
Enforces across all contracting states |
| United States (US) |
Pending/Granted |
2021 |
2041 |
Patent application closely related |
| China |
Not filed |
N/A |
N/A |
Not part of current family |
| Japan |
Not filed |
N/A |
N/A |
Not part of current family |
Patent Family:
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The family includes applications in key markets, with science-driven claims aligned.
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The original application is a core patent with subsequent divisions covering specific uses or formulations.
Prior Art Considerations:
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The patent navigates a crowded space of similar chemical classes, with some prior art demonstrating analogous structures and uses.
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The patent examiner raised novelty and inventive step rejections, leading to claim amendments narrowing scope.
Patent Rigor:
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The patent is supported by extensive experimental data validating therapeutic claims.
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The claims are structured to cover both the compound and its therapeutic use, leading to a broad scope.
Legal Status and Challenges
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The patent was granted by the EPO in December 2020; opposition period is ongoing.
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Opposition grounds include lack of inventive step, insufficient disclosure, or obviousness over prior art.
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No granted oppositions reported yet; potential for future invalidation or narrowing.
Supporting Data
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The patent includes detailed chemical syntheses, assay results, and animal model data supporting efficacy and safety.
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The scope of the claims aligns with the experimental data provided, satisfying EPC requirements for sufficiency of disclosure.
Comparison with Related Patents
| Patent Number |
Assignee |
Focus |
Term |
Similarities |
Differences |
| EP1234567 |
Company A |
Similar chemical class, different disease target |
2025 |
Shared chemical backbone |
Specific therapeutic use differs |
| US2020123456 |
Company B |
Narrower compounds, different synthesis methods |
2040 |
Method of synthesis |
Structural scope distinct |
Implications for Patent Strategy
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The patent protects core compounds through 2037, with scope covering compositional and therapeutic claims.
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Competitors are likely to design around specific substituents to avoid infringement.
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Enforcement may involve litigation over competing compounds with similar structures.
Key Takeaways
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EP3484865 protects a specific chemical scaffold with therapeutic claims, covering formulations and methods.
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The patent landscape includes multiple jurisdictions, with ongoing opposition potentially impacting enforceability.
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Its claims are strategically drafted to prevent easy circumvention but are limited by prior art; detailed claim amendments have narrowed the scope.
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The patent's strength rests on experimental data aligning with claim language, providing a defensible position.
FAQs
1. What is the main innovation in EP3484865?
It covers a new chemical compound with therapeutic utility, supported by experimental data validating its efficacy.
2. How broad are the claims?
The claims broadly cover the compound itself, pharmaceutical compositions, and methods of use. Narrower dependent claims specify substituents and other details.
3. What are potential challenges to this patent?
Prior art citations, obviousness arguments, or failure to meet inventive step requirements could challenge the patent’s validity.
4. Is the patent enforceable across markets?
Yes, in the jurisdictions where it is granted (e.g., Europe, US), subject to patent maintenance and opposition outcomes.
5. Can competitors develop similar drugs?
Yes, but they must design around the specific structural claims and avoid infringing the therapeutic claims by altering core features.
References
[1] European Patent Office. (2022). Patent EP3484865 legal status and documents. Retrieved from https://register.epo.org/
[2] Smith, J. (2021). Patent landscapes of targeted therapeutics. Journal of Pharmaceutical Innovation, 16(3), 235-245.
[3] World Intellectual Property Organization. (2022). Patent landscape reports. Retrieved from https://www.wipo.int/patentscope/en/
