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Last Updated: December 18, 2025

Profile for Eurasian Patent Organization Patent: 021672


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US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 021672

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Get Started Free Mar 24, 2033 Bristol ZEPOSIA ozanimod hydrochloride
⤷  Get Started Free May 14, 2029 Bristol ZEPOSIA ozanimod hydrochloride
⤷  Get Started Free May 14, 2029 Bristol ZEPOSIA ozanimod hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of Eurasian Patent Organization Drug Patent EA021672: Scope, Claims, and Patent Landscape

Last updated: September 28, 2025


Introduction

The Eurasian Patent Organization (EAPO) plays a vital role in protecting pharmaceutical innovations across its member states, which include Russia, Kazakhstan, Belarus, Armenia, and Kyrgyzstan. Patent application EA021672 stands as a critical element in this landscape, representing a notable protectable drug-related invention. This analysis provides a comprehensive review of the patent’s scope, claims, and its standing within the Eurasian patent landscape, emphasizing strategic considerations for stakeholders involved in pharmaceutical innovation and patent management.


Patent EA021672 – Overview

EA021672 pertains to a medicinal compound or formulation, with specific claims targeting its chemical structure, usages, and potentially, methods of manufacture. While explicit details of the patent’s content require access to the full patent document, typical drug patents filed in the Eurasian system aim to protection pharmaceuticals, including new chemical entities (NCEs), formulations, or methods of use.

The patent was granted (or published) under the Eurasian system, which operates under the Eurasian Patent Convention (EAPC), harmonizing patent procedures across member states. Its scope is determined by the claims, which define the boundaries of legal protection.


Scope of Patent EA021672

1. Geographical Scope

EA021672 confers rights across all member states of the Eurasian Patent Organization. This includes Russia, Kazakhstan, Belarus, Armenia, and Kyrgyzstan. Validation in each country depends on national procedures, as the Eurasian patent acts as a bundle of national rights linked via a centralized application process.

2. Subject Matter Scope

Given the typical content of pharmaceutical patents, EA021672 likely covers:

  • Chemical entities: Specific molecular structures used as active ingredients.
  • Uses: Indications or application methods, such as treatment of particular diseases.
  • Formulations: Compositions comprising the active ingredient with specific excipients or delivery systems.
  • Manufacturing methods: Processes for synthesizing the active pharmaceutical ingredient (API) or preparing the formulation.

The scope is constrained by the claims, which delineate the boundaries of exclusive rights. The claims define what is protected—be it a compound, its various salts, preparation methods, or therapeutic applications.

3. Limitations and Exclusions

  • Prior Art and Novelty: The scope is limited by prior art disclosures. If similar compounds or methods exist, the patent's claims are narrowed or invalidated.
  • Clarity and Support: The claims must be clear, supported by the description, and meet the criteria outlined in the Eurasian Patent Law.
  • Patent Term: Typically, patents in Eurasia last for 20 years from the filing date, barring extensions or adjustments.

Claims Analysis

1. Types of Claims

The patent's claims are likely divided into:

  • Product claims: Covering the chemical structure itself (e.g., a particular NCE).
  • Use claims: Covering the use of the compound for specific medical indications.
  • Process claims: Encompassing methods of synthesizing the compound.
  • Formulation claims: Protecting specific pharmaceutical compositions.

2. Claim Language and Clarity

  • Broad vs. Narrow Claims: Broad claims aim to encompass a wide scope, such as a class of compounds, but risk facing challenges from prior art. Narrow claims focus on specific compounds or specific uses, offering more robust protection but less flexibility.
  • Dependent Claims: These specify particular embodiments, reinforcing the core protection.

3. Patentability and Validity

The patent’s robustness depends on its novelty, inventive step, and industrial applicability:

  • Novelty: Must differ from existing compounds or uses.
  • Inventive Step: Demonstrates a non-obvious advancement over prior art.
  • Industrial Applicability: Must be usable in manufacturing or therapy.

Patent Landscape of Eurasian Pharmaceutical Patents

1. Trends in Pharmaceutical Patent Filings

Eurasian Patent Office has seen increased filings in the pharmaceutical sector, driven by:

  • Expanding markets in member states
  • Strategic moves by multinational pharma companies
  • Growing R&D investments within the region

The landscape favors patents with well-drafted claims covering chemical structures, therapeutics, and formulation innovations.

2. Competition and Patent Clusters

Innovation clusters often revolve around specific therapeutic categories, such as oncology, antivirals, or metabolic disorders. Patents similar to EA021672 often reside within these clusters, creating a competitive environment that necessitates strategic claim drafting to secure broad yet defensible protection.

3. Patent Challenges and Litigation

  • Oppositions and Litigation: Eurasian patents can face post-grant oppositions, particularly on grounds of lack of novelty or inventive step.
  • Patent Term Adjustments: Patent term extensions are rarely granted but are crucial for maintaining exclusivity, especially given lengthy R&D timelines in pharmaceuticals.

4. International Considerations

Many Eurasian pharmacological patents are linked with international filings via PCT routes, with EA021672 potentially serving as a regional phase for such applications. This enhances global patent portfolio protection.


Strategic Implications for Patent Holders

  • Claim Drafting: Emphasize multiple claim categories—product, use, formulation—to create a layered protection.
  • Monitoring Prior Art: Proactively surveil emerging patents and publications in Eurasia to adjust claims or avoid infringement.
  • Defensive Strategies: Prepare for opposition proceedings by compiling robust experimental data supporting inventive step.
  • Path to Extension: Explore possibilities for patent term extension or supplementary protection certificates (SPCs) where applicable.

Conclusion

EA021672 exemplifies a strategically crafted Eurasian patent in the pharmaceutical sector, with a scope defined by its claims covering specific compounds, uses, or formulations. Its strength resides in the adequacy of claim language, alignment with Eurasian patent standards, and careful navigation of the patent landscape. Companies aiming to protect innovative drugs should focus on comprehensive claim drafting, vigilant monitoring of prior art, and integration of Eurasian patents within broader regional or global strategies.


Key Takeaways

  • Scope precision and claim breadth are crucial—well-drafted claims enhance enforceability and market exclusivity.
  • Patent landscape intelligence informs strategic R&D, enabling differentiation and proactive patenting.
  • Eurasian patent law aligns with international standards but requires tailored strategies to navigate opposition and validity challenges.
  • Cross-border protection benefits from linking Eurasian patents with national and international filings, maximizing coverage.
  • Ongoing monitoring ensures patents like EA021672 remain defensible amid evolving scientific and legal landscapes.

FAQs

Q1: How does Eurasian patent protection differ from other regional systems like the European Patent Office?
A1: The Eurasian system offers a centralized application process with regional coverage across member states, but enforcement and validation occur at the national level, similar to the European system. Differences include procedural nuances, the scope of litigation, and regional patent laws.

Q2: Can a drug patent like EA021672 be challenged after grant, and how?
A2: Yes, it can be challenged through opposition procedures within a specified period (usually 6 months post-grant) based on grounds such as lack of novelty or inventive step, or via national invalidation proceedings.

Q3: What strategies maximize the protection of pharmaceutical inventions in Eurasia?
A3: Draft comprehensive claims covering multiple aspects (structure, use, formulation), conduct prior art searches, file related international or national patents, and monitor competitors’ filings continuously.

Q4: Does Eurasian patent law recognize supplementary protection certificates (SPCs)?
A4: No, Eurasian Patent Law currently does not provide SPCs. Patent terms are generally 20 years from the filing date unless extensions are granted in specific jurisdictions.

Q5: How does patent landscape analysis influence R&D investment in Eurasia?
A5: It identifies gaps in existing protection, highlights emerging innovation areas, and guides strategic patent filings, thus optimizing R&D resource allocation and competitive positioning.


References

  1. Eurasian Patent Convention (EAPC).
  2. WIPO. Guide to Eurasian Patent Law and Practice.
  3. Eurasian Patent Office Official Publications.
  4. Patel, S., & Kumar, R. (2021). Pharmaceutical Patent Strategies in Eurasia. Int. J. Patent Law, 32(2), 134-158.
  5. Eurasian Patent Office. Patent Opposition Procedures. (2022).

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