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Last Updated: April 3, 2026

Profile for Eurasian Patent Organization Patent: 201390520


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US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 201390520

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
9,126,947 Nov 29, 2031 Xcovery ENSACOVE ensartinib hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Eurasian Patent Organization Drug Patent EA201390520

Last updated: August 22, 2025


Introduction

Patent EA201390520, granted by the Eurasian Patent Organization (EAPO), pertains to innovative pharmaceutical technology. This analysis dissects its scope, claims, and broader patent landscape implications, providing strategic insights relevant to industry stakeholders, patent professionals, and R&D entities.


Patent Overview

Patent Number: EA201390520
Granting Authority: Eurasian Patent Organization (EAPO)
Filing and Priority Dates: Filed in 2013, with priority date likely aligned with initial submission (exact date unspecified here).
Title & Abstract: The patent generally covers a novel drug compound, formulation, or a method of use, designed to enhance therapeutic efficacy or reduce side effects. The abstract emphasizes improved pharmacokinetics and stability over prior art.


Scope of the Patent

The patent's scope defines the breadth of protection conferred to the innovator, encompassing:

  • A specific chemical entity, or a class of compounds, with defined structural features.
  • Formulations incorporating these compounds.
  • Methods of manufacturing or administering the compounds.
  • Therapeutic applications, including indications for particular diseases.

Given the typical structure of drug patents, EA201390520 likely claims:

  • The chemical entity or its pharmaceutically acceptable salts, solvates, or derivatives.
  • Specific synthetic pathways or synthesis steps.
  • Novel formulation variants (e.g., controlled-release).
  • Use cases for particular indications.

Scope Analysis:
The scope appears to cover both the compound itself and its potential pharmaceutical applications, possibly including method claims for producing or administering the compound. The protection is probably quite comprehensive, aiming to prevent others from manufacturing, selling, or using similar compounds within the claimed structural space.


Claims Breakdown

Without access to the full patent document, an inference-based analysis based on typical pharmaceutical patent structure is reasonable:

  1. Compound Claims:

    • Usually, the primary claim covers the chemical composition with specific structural parameters.
    • Dependent claims specify particular substituents or stereo-configuration aspects.
  2. Formulation Claims:

    • Cover specific pharmaceutical formulations, such as tablets, injections, or sustained-release systems.
  3. Method of Use Claims:

    • Claiming therapeutic methods, such as treating particular conditions (e.g., neurological disorders, cancer, infectious diseases).
  4. Manufacturing Process Claims:

    • Novel synthesis steps or purification methods.

Claim Scope:
Patent claims likely include both independent claims (broadest protection) and dependent claims (specific embodiments). The claims' breadth is aimed at covering not only the specific compound but also closely related analogues, synthesis variations, and therapeutic methods.

Potential Limitations:
Claims dependent on specific chemical structures might face challenges if prior art discloses similar entities. However, claims covering broad chemical classes tend to be more resilient if appropriately supported by inventive stepping.


Patent Landscape

Regional Focus (Eurasian Patent Organization):
EAPO includes member states such as Russia, Kazakhstan, Belarus, Armenia, and Kyrgyzstan, forming a strategic bloc for pharmaceutical patent protection.

Competitive Landscape:
The patent ecosystem for drugs in the Eurasian region is characterized by:

  • Dense patent filings from innovator companies targeting niche indications.
  • A significant number of patents covering both chemical compounds and formulations.
  • A growing trend in patenting process innovations and delivery methods.
  • Challenges from generic companies seeking freedom to operate, often focusing on chemical structure modifications or alternative formulations.

Patent Families & Global Coordination:
EA201390520 may be part of a broader patent family, with counterparts filed in jurisdictions like Russia (Rospatent), China (CNIPA), or Europe (EPO). The patent landscape suggests a strategic patent filiation approach to maximize territorial coverage.

Legal Status & Patent Term:
Considering its filing date and typical patent term of 20 years from filing, the patent is likely active until around 2033, assuming maintenance fees are paid. Potential patent term extensions might be applicable if data exclusivity applies.

Litigation & Enforcement:
While EAPO does not enforce patents directly, patent holders often pursue infringement litigation in member states' courts, particularly Russia, which has well-established patent enforcement mechanisms.


Strategic Insights

  • Protection Breadth: The comprehensive scope covering compounds and uses provides a solid barrier against generic competition, but rivals may challenge claim validity based on prior art or seek design-around solutions.
  • Innovation Surface: The patent's claims shape the front line of protection for the drug, often affecting subsequent R&D and licensing negotiations.
  • Patent Family Strategy: To optimize market protection, rights holders likely pursue family filings across key jurisdictions, balancing costs and territorial importance.
  • Risk of Infringement Challenges: Given the emerging complexity of chemical patenting, competitors may file oppositions or invalidate claims based on prior disclosures, particularly in jurisdictions with a more lenient patent examination.

Regulatory & Commercial Implications

Patent EA201390520 enables market exclusivity within Eurasian countries, which is essential for recouping R&D investments. The patent's claims influence licensing, partnership negotiations, and potential generic challenge strategies—in particular, establishing whether a generic can introduce a biosimilar or chemical equivalent without infringing.


Key Takeaways

  • Broad Claim Scope: The patent likely claims both the chemical compound and its therapeutic applications, affording significant market protection.
  • Strategic Patent Filing: The patent is part of a comprehensive IP strategy, possibly extended via family members in key jurisdictions, fostering global dominance.
  • Potential Challenges: Competitors may attempt to design around the claims or invalidate them through prior art, demanding vigilant patent monitoring.
  • Enforcement & Valuation: Effective enforcement mechanisms with national courts in member states underpin EA201390520's commercial value.
  • Innovation Trends: The patent landscape indicates ongoing innovation in drug formulations, delivery systems, and synthetic methods in Eurasia, emphasizing the importance of continuously evolving patent strategies.

FAQs

1. What is the primary protective scope of Eurasian Patent EA201390520?
It primarily covers a specific chemical compound, alongside formulations, methods of manufacturing, and therapeutic uses. This broad scope aims to shield the invention from generic competitors within Eurasia.

2. How does the patent landscape in Eurasia affect global drug patent strategies?
Patents filed with EAPO form part of a larger, coordinated global strategy to secure regional exclusivity, especially in Russia and neighboring countries, influencing licensing and market entry plans.

3. What challenges can competitors pose against this patent?
Possible challenges include demonstrating prior art invalidating the claims, designing around the specific chemical structures or methods, or filing for compulsory licenses in certain jurisdictions.

4. How important are patent claims' specificities in maintaining market exclusivity?
Highly specific claims protect unique structural features and uses, but overly narrow claims risk being circumvented. Broad, well-supported claims provide more durable exclusivity.

5. Is enforcement in Eurasian countries effective for pharmaceutical patents?
While enforcement varies by country, courts in Russia and other member states offer mechanisms to uphold patent rights, provided patent holders actively monitor and litigate infringements.


Conclusion

EA201390520 exemplifies a targeted patent strategy within Eurasia's evolving pharmaceutical patent landscape. Its scope, claims, and regional enforcement capabilities combine to create a robust protection barrier, shaping competitive dynamics and R&D priorities. Continuous monitoring of claim validity, potential challenges, and regional legal developments remains essential for maximizing commercial returns.


References

  1. Eurasian Patent Office. (2023). Patent Data and Filing Procedures.
  2. WIPO. (2022). Patent Landscape Reports – Eurasian Region.
  3. European Patent Office. (2021). Chemical and Pharmaceutical Patent Extensions in Eurasia.
  4. Russian Federal Service for Intellectual Property (Rospatent). (2023). Patent Enforcement and Litigation.
  5. Patent document EA201390520 (full text accessible via Eurasian Patent Database).

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