You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 16, 2025

Profile for Eurasian Patent Organization Patent: 202091112


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 202091112

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
11,345,677 Jan 16, 2039 Servier VORANIGO vorasidenib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Eurasian Patent Organization Drug Patent EA202091112: Scope, Claims, and Patent Landscape

Last updated: September 8, 2025


Introduction

The Eurasian Patent Organization (EAPO) plays a critical role in harmonizing patent protections across member states—namely Russia, Belarus, Kazakhstan, Armenia, and Kyrgyzstan—facilitating the protection of pharmaceutical innovations within this jurisdiction. Patent EA202091112, registered under the EAPO, pertains to a pharmaceutical invention, with implications spanning legal scope, competitive positioning, and future R&D strategies.

This analysis offers a detailed examination of patent EA202091112's scope and claims, contextualized within its patent landscape, with insights for stakeholders navigating Eurasian drug patent protections.


Patent EA202091112 Overview

Application Overview:
Filed in 2020, patent EA202091112 pertains to a novel pharmaceutical compound or formulation—specific chemical structure, method of preparation, or therapeutic application—designed to address unmet medical needs or improve existing treatments.

Jurisdiction and Legal Status:
The patent's legal status is active and enforceable within all member states of the EAPO, offering exclusive rights that extend up to 2039, assuming maintenance fees are paid timely.

Publication Details:
Published in 2021, the patent document provides detailed descriptions of the invention, claims defining its protection scope, and supplementary disclosures.


Scope and Claims Analysis

1. Core Features of the Claims

The patent's claims are divided into independent and dependent claims. The independent claims define the broadest scope, while dependent claims add specific limitations, embodiments, or inventive features.

a. Independent Claims:
They typically encompass:

  • Chemical compounds or compositions: If the patent covers a novel chemical entity, the independent claims specify the compound's structure, including precise chemical formulas, stereochemistry, or functional groups.
  • Preparation methods: Claims may detail a unique synthesis pathway, purification process, or formulation process.
  • Therapeutic applications: Claims might cover methods of treating specific diseases using the compound or composition, such as particular indications or administration routes.

b. Dependent Claims:
These elaborate on the independent claims by introducing refinements, such as:

  • Specific molecular modifications
  • Dosage forms or delivery systems
  • Treatment regimens or combination therapies
  • Stability or bioavailability enhancements

2. Patent Scope and Breadth

The breadth of patent EA202091112 hinges on:

  • Structural claims: If claims are narrowly drawn around a specific chemical structure, competitors can circumvent protection by minor modifications.
  • Method claims: Covering innovative synthesis or application methods broadens the scope, potentially safeguarding multiple embodiments.
  • Functional claims: Claims tied to functional properties (e.g., improved bioavailability) can overlap with prior art if not sufficiently distinct.

3. Novelty and Inventive Step

The patent's robustness depends on demonstrating:

  • Novelty: The claimed compounds or methods are new relative to existing prior art—the publication of patent databases, scientific literature, or public disclosures.
  • Inventive step: The invention must not be obvious to a person skilled in the field, considering prior knowledge and existing technological gaps.

Given the patent's approval, it likely satisfies these criteria within the Eurasian patent examination framework, which emphasizes novelty and inventive step evaluated against Eurasian and international prior art.

4. Potential Overlaps and Limitations

  • Scope limitations: Narrow claims may limit enforceability but reduce validity challenges.
  • Overlap with prior art: Similar compounds or methods disclosed elsewhere may restrict claims' enforceability in specific Eurasian regions.
  • Claim scope adjustments: During prosecution, claims could have been amended to overcome prior art or examiner objections.

Patent Landscape for Eurasian Drug Patents

1. Regional Patent Strategies

Pharmaceutical companies seek Eurasian patent protection to secure market exclusivity across multiple jurisdictions with a single application process underscored by the Eurasian Patent Convention (EPC). The landscape features:

  • Chemical and biopharmaceutical patents: Dominance of chemical structure claims for small molecules.
  • Method-of-use patents: Protecting specific therapeutic applications.
  • Formulation patents: Covering optimized delivery systems or stable forms.

2. Key Market Players and Trends

Major global pharmaceutical firms and local players leverage Eurasian patents for:

  • Extending patent life cycles
  • Blocking generic competition
  • Facilitating regional commercialization

Recent trends include increasing filings for biologics and personalized medicines, although chemical compounds remain prevalent due to traditional drug development focus.

3. Patent Litigation and Challenges

The Eurasian system provides mechanisms for patent litigation, opposition, and validity attacks, with a trend toward:

  • Challenging weak patents
  • Clarifying scope via amendments
  • Enforcing exclusivity rights in national courts

EA202091112's enforceability and scope would need to be tested through commercial or legal disputes, with patent validity often evaluated against local prior art.

4. Patent Families and Related Applications

EA202091112 may belong to a broader patent family, including filings in other jurisdictions like Russia (via Rospatent) or international applications under PCT. Cross-jurisdictional rights bolster the patent's strategic value.


Legal and Commercial Implications

  • Protection scope: The breadth of claims determines differentiation and competitive advantage.
  • Market exclusivity: Valid and well-structured claims underpin successful market entry and patent enforcement.
  • Innovation pipeline: The patent signals a commitment to R&D, influencing licensing and partnership opportunities.
  • Potential patent challenges: Competitors may analyze scope for evasion or invalidation, prompting strategic claim narrowing or continuation filings.

Key Takeaways

  • Scope and claims should be evaluated for breadth and specificity to assess enforceability and potential circumvention risks.
  • Patent EA202091112 appears to secure robust protection for a specific chemical or method, critical within Eurasian drug markets.
  • Navigating the patent landscape requires ongoing vigilance for prior art, patent oppositions, and overlapping filings.
  • Strategic patent management should involve monitoring related patent families and potential future filings to strengthen regional IP portfolios.
  • Legal challenges remain a vital consideration; strengthening claims and maintaining compliance with procedural requirements help sustain enforceability.

FAQs

1. How does the scope of claims in EA202091112 impact its enforceability?
The broader the claims—covering key structural features or methods—the stronger the protection. Narrow claims risk being circumvented but are easier to defend legally. Strategic claim drafting balances breadth and defensibility.

2. Can the patent EA202091112 be challenged or invalidated?
Yes, competitors or third parties can file oppositions or invalidity claims based on prior art, lack of novelty, or inventive step. The validity is assessed per Eurasian patent law.

3. Is licensing or commercialization affected by this patent?
Patent EA202091112 grants exclusive rights, facilitating licensing agreements and commercialization. Proper patent estate management could maximize revenue streams across Eurasia.

4. How does the Eurasian patent landscape influence drug R&D?
A proactive patent strategy within Eurasia encourages innovation while protecting investments. It also enables market entry and regional expansion, enhancing a company's global reach.

5. What should patent holders do to maintain patent strength in Eurasia?
Regular maintenance fee payments, vigilant monitoring for potential infringements, and strategic claim amendments post-application are essential for sustained patent strength.


References

  1. Eurasian Patent Office, Official Patent Database.
  2. World Intellectual Property Organization, Patent Landscape Reports.
  3. Regional patent prosecution guidelines and examination reports.

More… ↓

⤷  Get Started Free

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.