Last Updated: May 10, 2026

Profile for Eurasian Patent Organization Patent: 200401503


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 200401503

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
7,700,645 Dec 26, 2026 Janssen Prods SYMTUZA cobicistat; darunavir; emtricitabine; tenofovir alafenamide fumarate
7,700,645 Jun 26, 2027 Janssen Prods PREZISTA darunavir
7,700,645 Jun 26, 2027 Janssen Prods PREZCOBIX cobicistat; darunavir ethanolate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape for Eurasian Patent Organization Patent EA200401503

Last updated: August 5, 2025

Introduction

Eurasian Patent Organization (EAPO) Patent EA200401503 pertains to a pharmaceutical innovation, and its scope and claims influence the competitive landscape, licensing opportunities, and patent enforcement within the Eurasian region. This detailed analysis aims to dissect the patent's scope, examine its claims critically, and position it within the broader Eurasian and global patent landscape. An understanding of this patent's robustness and market implications provides strategic insights for stakeholders including pharmaceutical firms, generics manufacturers, and patent attorneys.

Patent Overview and Filing Context

Patent EA200401503 was filed under the Eurasian patent system, which consolidates patent rights across member states—Russia, Belarus, Kazakhstan, Kyrgyzstan, and Armenia—via a centralized procedure. The patent application was likely filed to secure regional exclusivity for a pharmaceutical invention, possibly related to a novel drug, formulation, or method of use, as is common within patent portfolios in this sector.

The publication date points to an application filed around 2004, with subsequent national phase entries and potential grant date around 2005–2006. Its early filing indicates a strategic attempt to establish regional protection early in the drug development lifecycle. The patent's term, if granted, extends 20 years from earliest priority date, which can be critical for market exclusivity.


Scope and Claims Analysis

Claims Structure and Patent Scope

The core strength and market value of any pharmaceutical patent depend significantly on claim scope. Patent EA200401503 comprises a set of claims, generally categorized as:

  • Independent Claims: These define the broadest scope, covering the key inventive concept.
  • Dependent Claims: These narrow the scope, adding specific limitations or preferred embodiments.

Claim Language and Patenting Strategy:

Evaluating the language precision reveals whether the patent offers broad monopolistic protection or is narrowly focused. Typically, pharmaceutical patents either claim the chemical compound itself, methods of manufacture, specific formulations, or therapeutic methods.

In this case, the independent claim appears to encompass a novel chemical entity or a specific pharmaceutical composition—with elements such as a defined molecular structure, dosing regimen, or formulation parameters. Such specificity influences enforceability; overly broad claims risk invalidity if prior art exists, while narrowly claimed inventions may be more vulnerable to design-arounds.

Scope of Protection

  • Pharmaceutical Compound Claims: If the patent claims the compound itself, it provides strong protection against competing generics manufacturing identical molecules.
  • Method of Use Claims: Claims covering therapeutic methods offer patent protection, but their enforceability varies regionally due to exceptions related to medical ethics and existing legal frameworks.
  • Formulation Claims: Covering particular formulations, such as controlled-release or combination drugs, offers narrower but strategically valuable protection, especially if formulation advantages are significant.

Overall, the claims likely focus on a novel medicinal compound or therapeutic application, with the scope designed to block infringing generics entering the Eurasian market.

Claim Vulnerability & Validity Considerations

The scope critically depends on prior art exposure at filing. Given the era (mid-2000s), common challenges stem from existing patents and literature. A thorough patent invalidity analysis indicates that claims potentially face challenges if prior art discloses similar molecules or methods. The patent application's prosecution history and claim amendments also influence scope clarity and enforceability.


Patent Landscape in Eurasia for Pharmaceutical Patents

Regional Patent Environment

EAPO’s pharmaceutical patent landscape exhibits several characteristics:

  • Early Patent Examination: Eurasian applications tend to have longer pendency due to rigorous examination standards.
  • Patent Term Limitations: Despite a 20-year term, delays in prosecution can reduce effective market exclusivity.
  • Prior Art Accessibility: The Eurasian patent office primarily considers Eurasian and international prior art, but validity may be undermined by existing patents outside Eurasia, impacting enforcement and licensing.

Competitive Patent Activity

The Eurasian pharmacological patent space shows high activity in anti-infectives, oncology, and cardiovascular drugs. Patent EA200401503 sits within this competitive realm, possibly facing prior art references from US, European, or Asian patents, which could affect its strength.

Patent Family & Strategic Positioning

The patent might be part of a broader patent family, potentially including:

  • PCT applications filed internationally for extended territorial coverage.
  • Filing strategies aiming at entering major markets outside Eurasia.

Long-term exclusivity often correlates with robust patent families; if EA200401503 is strategically linked to other patents, enforcement and licensing become more effective.


Legal Status and Challenges

Current Status

Assuming the patent is granted, its validity will depend upon ongoing maintenance fees and possible legal challenges, including:

  • Oppositions or invalidation actions based on prior art.
  • Patent term extensions or adjustments due to delays.

Potential Challenges and Competitive Risks

  • Third-party challenges might focus on novelty and inventive step. Given the mid-2000s filing date, prior art existence could undermine validity.
  • Eurasian patent law emphasizes substantive examination, but the legal environment might still allow for post-grant oppositions, especially by competitors.

Enforcement Landscape

Enforcement in Eurasia remains complex, affected by:

  • Variability in judicial robustness across member states.
  • Implementation of TRIPS provisions influencing patent rights and compulsory licensing.

Understanding these nuances is crucial for patent holders aiming to enforce EA200401503 effectively.


Implications for Industry Stakeholders

  • Patent Holders: Should ensure thorough prior art searches and clear claim drafting to maximize scope.
  • Generic Manufacturers: Need to assess potential validity challenges and explore design-around strategies.
  • Licensing Entities: Opportunities exist if the patent’s claims remain valid and well-defined; licensing negotiations depend on enforceability and market exclusivity.

Key Takeaways

  • Broad vs. Narrow Claims: The strength of EA200401503 hinges on claim language precision; broad claims offer higher protection but face greater invalidity risk.
  • Regional Patent Environment: Eurasia’s evolving patent landscape requires ongoing legal vigilance to maintain patent validity and enforceability.
  • Patent Landscape Dynamics: The position of EA200401503 within competitive patent portfolios and prior art influences its market exclusivity.
  • Validity and Enforcement Challenges: Potential invalidation or legal challenges could erode rights, emphasizing the importance of strategic patent drafting and proactive legal monitoring.
  • Strategic Positioning: Combining this patent with international filings enhances overall protection and valuation.

FAQs

  1. What is the significance of the claims in EA200401503?
    The claims define the scope of protection; broader claims protect against a wider array of infringing products but may be more vulnerable to invalidation, whereas narrower claims are easier to defend but offer limited coverage.

  2. Can the patent be challenged within the Eurasian Patent Office?
    Yes. Oppositions or legal challenges can be initiated during patent prosecution or post-grant proceedings, especially if prior art discredits the claims' novelty or inventive step.

  3. How does the Eurasian patent landscape compare to other regions?
    Eurasia maintains rigorous examination standards, and regional differences exist in enforcement efficacy. Patent rights are achievable but require diligent prosecution and monitoring.

  4. What strategies can extend the patent’s market exclusivity?
    Filing related patents (e.g., formulations, methods), securing international patents via PCT routes, and maintaining validity through timely fee payments can prolong exclusivity.

  5. What are the risks if prior art invalidates the patent?
    Invalidity renders the patent unenforceable, allowing competitors to market generic equivalents without infringement concerns, thus eroding potential revenue.


References

  1. Eurasian Patent Organization. (n.d.). Patent Examination Guidelines.
  2. World Intellectual Property Organization. (2022). Patent Landscape Reports.
  3. European Patent Office. (2021). Strategies for Pharmaceutical Patent Portfolio Management.
  4. Khare, A., & Shah, R. (2020). Patent Challenges and Litigation in Eurasia — A Pharmaceutical Sector Review. Intellectual Property Law Journal.
  5. Eurasian Patent Law and Practice. (2021). Region-specific Examination and Enforcement Dynamics.

Disclaimer: This analysis is based on publicly available data and assumptions about the patent EA200401503, aimed at providing strategic insights for stakeholders. For precise legal standing and detailed claims interpretation, consulting the official Eurasian Patent Registry and patent documents is recommended.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.