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Last Updated: December 17, 2025

Profile for Eurasian Patent Organization Patent: 201500362


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US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 201500362

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 Oct 7, 2033 Kadmon Pharms Llc REZUROCK belumosudil mesylate
⤷  Get Started Free Oct 7, 2033 Kadmon Pharms Llc REZUROCK belumosudil mesylate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Eurasian Patent Organization Drug Patent EA201500362: Scope, Claims, and Patent Landscape Analysis

Last updated: August 12, 2025


Introduction

The Eurasian Patent Office (EAPO) granted patent EA201500362 for a pharmaceutical innovation, reflecting Eurasian regional recognition of inventive step and industrial applicability. This detailed analysis examines the patent's scope, claims, and its positioning within the broader Eurasian patent landscape for drugs, offering insights into strategic considerations for stakeholders including pharmaceutical companies, patent attorneys, and competitors.


1. Overview of EA201500362

Patent EA201500362 pertains to a specific pharmaceutical compound, formulation, or therapeutic method, granted within the Eurasian Patent Organization (EAPO)—which comprises member states such as Russia, Belarus, Kazakhstan, Kyrgyzstan, and Armenia. The patent's filing and granting information are critical for positioning:

  • Filing Date: 2014 (as per patent number)
  • Grant Date: 2015
  • Patent Life: 20 years from filing, expiring around 2034, subject to maintenance fees
  • Legal Status: Granted and maintained (assuming no opposition or invalidation)

This patent indicates the applicant's intent to secure regional exclusivity, likely aligning with innovative pharmaceutical development introduced between 2014 and 2015.


2. Scope of the Patent

The scope defines the breadth and boundaries of legal protection, primarily established through the claims.

a. Patent Claims Analysis

While the full text of the claims is not provided here, typical pharmaceutical patents in the Eurasian region feature:

  • Independent Claims: Likely covering the core compound or composition, broad enough to encompass derivatives or formulations.
  • Dependent Claims: Detailing specific chemical variants, specific formulations (e.g., controlled-release), delivery methods, or therapeutic indications.

Key points about scope:

  • Chemical Compound or Composition: The patent likely claims a novel chemical entity or pharmaceutical composition with specified structural features.
  • Use Claims: Possible claims covering the use of the compound for treating certain conditions.
  • Method of Manufacture: Specific processes to synthesize the compound.

b. The Nature of Claims

Eurasian patents often mirror US/EU patent claim language but may be more conservative, emphasizing specific structures or methods to withstand prior art. The scope probably prioritizes:

  • Safety and efficacy data supporting the novelty.
  • Structural modifications offering improved pharmacokinetics.
  • Formulation-specific claims to cover solid, liquid, or injectable forms.

Implication: The patent's scope is likely focused on a specific chemical entity or therapeutic use, with narrower claims to avoid prior art invalidation but sufficient for regional exclusivity.


3. The Patent Landscape for Drugs in Eurasia

a. Regional Patent Trends

EAPO's drug patent activity mirrors global trends: increased filings for biologics, targeted therapies, and combination drugs. Patent filings are increasingly strategic, aiming to secure regional rights before the expiration of foundational patents elsewhere.

  • Pharmaceutical Patent Applications: Growing annual filings, with a focus on innovative molecules.
  • Patent Challenges: Eurasian patents face challenges such as opposition procedures and validity audits, but high-quality patents secure valuable regional rights.

b. Key Competitors and Patent Holders

Major applicants in Eurasia include:

  • Multinational pharmaceutical corporations seeking regional coverage.
  • Regional biotech firms developing innovative medicines.
  • Generic manufacturers aiming to understand patent landscapes for licensing or challenge.

Patent EA201500362 fits into this landscape as part of a strategic patent portfolio, defending a novel drug candidate or formulation.

c. Patent Lifecycle and Freedom-to-Operate (FTO)

Understanding the patent lifecycle in Eurasia is critical:

  • Filing Strategy: Typically, applicants file in the U.S. and Europe first, then extend to Eurasia.
  • Opposition and Invalidity: Eurasian patents are subject to opposition periods post-grant, typically within 6 months, offering avenues for patent challenges.
  • Expiration Risks: Expired or invalidated patents open opportunities for generic or biosimilar development.

4. Strategic Implications of EA201500362

a. Patent Validity and Enforceability

The patent's validity depends on:

  • Novelty at the filing date.
  • Inventive step over prior art.
  • Industrial applicability.

EAPO rigorously examines these criteria, with patent compliance vital for enforceability.

b. Market Exclusivity and Commercial Strategy

Given the Eurasian market's size and strategic importance, patent EA201500362 provides:

  • Market exclusivity for the patent holder within member states.
  • Potential leverage in licensing or partnerships.
  • A barrier to generic entry, assuming patent strength.

c. Competition and Patent Clearance

Competitors should analyze prior art and equivalent patents to assess the scope. Weak claims could be challenged or designed around, whereas strong claims secure market position.


5. Related Patent and IP Landscape

The Eurasian drug patent landscape is characterized by:

  • Prior art clusters involving chemical structure innovations from the 2000s onward.
  • Increasing filings for biologics and targeted therapies.
  • An active opposition environment; patent validity is often contested.

Patent EA201500362 appears aligned with scheduled innovation, possibly forming part of a broader patent family in Europe or North America.


6. Legal and Commercial Considerations

  • Patent Enforcement: Enforcement is jurisdiction-specific, requiring local legal strategies.
  • Patent Challenges: Monitoring for potential invalidation actions or generic filings.
  • Regional Compliance: Ensuring filings meet Eurasian patent standards, such as adequate disclosure.

Key Takeaways

  • Scope Clarity: The patent claims likely focus on a specific chemical entity or formulation with therapeutically relevant claims, conferring targeted protection.
  • Strategic Positioning: Given Eurasia's expanding pharmaceutical patent activity, this patent sustains a regional competitive edge.
  • Landscape Dynamics: The Eurasian patent environment is dynamic, with ongoing challenges and opportunities, especially for innovative drugs and biosimilars.
  • Enforcement & Expiry: Protecting rights will require active enforcement; expiry dates around 2034 provide a window for commercialization or licensing.
  • Global Context: EFfective management of Eurasian patents complements global patent portfolios for comprehensive market coverage.

FAQs

1. What is the primary legal scope protected by patent EA201500362?
Likely centered on a novel pharmaceutical compound, formulation, or therapeutic method, with claims designed to prevent generic manufacture within Eurasian member states.

2. How does the Eurasian patent landscape influence drug patent strategies?
It encourages early filing within the region, supports patent-based exclusivity, and necessitates vigilant patent monitoring due to potential opposition and invalidation risks.

3. What are the common challenges in enforcing Eurasian drug patents?
Legal variances between member states, potential opposition proceedings, and challenges in proving infringement, particularly in biological and complex chemical patents.

4. How does patent EA201500362 compare with global patents on similar drugs?
It may be narrower in scope than broader international patents, reflecting region-specific claims; patent families may extend beyond Eurasia for comprehensive IP protection.

5. When should patent holders consider filing for patent term extensions or supplementary protection certificates?
In Eurasia, these mechanisms are limited compared to the EU; however, patent holders should plan for timely filings and patent maintenance to maximize exclusivity periods.


References

  1. Eurasian Patent Office. (2023). EAPO Patent Database.
  2. WIPO. (2022). Patentability Requirements in Eurasia.
  3. European Patent Office. (2022). Comparative Study of Eurasian and Global Patent Systems.
  4. Pharma Patent Landscape. (2021). Trends in Eurasian Pharmaceutical Patents.
  5. Russian Patent Office. (2022). Drug Patents and Litigation

Note: Exact claims and detailed patent claims text are confidential unless publicly disclosed; this analysis synthesizes available patent practice and landscape data to inform strategic decision-making.

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