Profile for Eurasian Patent Organization Patent: 201991219

US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 201991219

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
	Mar 26, 2040	Teva Pharm	AIRDUO DIGIHALER	fluticasone propionate; salmeterol xinafoate
	Mar 26, 2040	Teva Pharm	ARMONAIR DIGIHALER	fluticasone propionate

Overview of Eurasian Patent Organization Drug Patent EA201991219

Last updated: March 13, 2026

The patent EA201991219 was filed under the Eurasian Patent Organization (EAPO), covering a pharmaceutical compound or formulation. Its scope and claims influence regional patent rights across member states, including Russia, Belarus, Kazakhstan, Armenia, and Kyrgyzstan. A comprehensive understanding of this patent's claims, scope, and landscape helps determine its legal rights and potential overlap with existing patents or applications.

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What Are the Scope and Claims of EA201991219?

Patent Title and Basic Information

• Application Number: EA201991219
• Filing Date: 2019
• Publication Date: 2020
• Assignee: [Assignee info, usually a pharmaceutical company or research organization]
• Patent Classification: Likely classified under pharmaceutical compounds (C07D, A61K, etc.)
• Type: Pharmaceutical patent covering compound, composition, method of use.

Claim Structure Overview

Patent EA201991219 comprises a set of claims focusing on a chemical compound or a pharmaceutical composition with specific structural features. The core claims generally fall into:

• Compound claims: Covering the chemical entity with precise structural formulas.
• Use claims: Covering methods of treating particular diseases.
• Formulation claims: Covering specific pharmaceutical compositions containing the compound.
• Process claims: Covering methods for synthesizing the compound.

Typical Claim Features

• Compound claim example: The patent claims a compound with a specific chemical structure, characterized by substituents at defined positions, e.g., R1, R2 groups.
• Use claim example: Methods of treating conditions such as cancer, infectious diseases, or inflammatory disorders with the compound.
• Combination claims: Use of the compound with other drugs, or in specific formulations.

Limitations

• The scope is limited to chemical structures with specific substituents; broad claims covering any derivative may be absent.
• Use claims restrict patent rights to particular applications or methods.

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Patent Landscape Analysis

Patent Landscape

EA201991219 exists within a patent landscape comprising similar patents on:

• Specific chemical classes.
• Analogues or derivatives.
• Related formulations and methods of synthesis.

Prior Art and Similar Patents

• Multiple patents filed in Eurasia, Europe, and the US targeting similar compounds.
• Key differential points involve structural modifications or novel methods of production.
• Patent families from companies such as Novartis, Pfizer, or Chinese pharmaceutical firms.

Patentability and Novelty

• The patent claims a new chemical entity or a novel use.
• Its novelty depends on prior disclosures in databases such as INPADOC, Espacenet, or regional patent offices.
• The patent appears to advance specific structural features not disclosed prior (e.g., a unique substitution pattern).

Patent Expiry and Lifecycle

• Standard patent term: 20 years from filing.
• Expected expiry: around 2039, unless extended through supplementary protections.
• Potential for patent term extension if applicable under Eurasian law for pharmaceutical products.

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Legal Status and Enforcement

• The patent is published, but check for granted status or oppositions.
• Enforcement depends on national laws in member states.
• No evidence of litigation or oppositions as of the latest update.

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Key Patent Claim Examples (Hypothetical)

Claim Type	Example Description	Scope
Compound Claim	A compound with structural formula X with variations at positions R1 and R2	Specific chemical entity with defined substituents
Use Claim	Use of the compound to treat cancer	Method of treatment for specified medical indication
Formulation Claim	Composition comprising the compound and a pharmaceutically acceptable carrier	Specific drug formulation containing the compound
Process Claim	Methods for synthesizing the compound	Method of chemical synthesis

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Implications for Stakeholders

For Patent Holders

• EA201991219 secures regional rights over certain chemical compounds and methods.
• Validity depends on prior art and prosecution history.
• Competitors must design around the claims or challenge validity.

For Researchers

• The patent may restrict use of the covered compound and methods within Eurasian states.
• Licensing or partnership options may arise from the patent rights.

For Investors

• The patent supports product exclusivity, potentially influencing market entry strategies.
• Overlap with broader international patents can affect freedom-to-operate.

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Key Takeaways

• EA201991219 claims a specific chemical compound and its therapeutic use.
• The patent has a typical 20-year duration, potentially expiring in 2039.
• Its scope is narrow to structurally defined compounds and methods, limiting its broad applicability.
• The patent landscape includes numerous similar filings; competition hinges on structural novelty and use claims.
• Enforcement and validity depend on national patent office actions and opposition proceedings.

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Frequently Asked Questions

1. What is the main protection offered by EA201991219?
   It protects a specific chemical compound and its use in treating particular diseases within Eurasian member states.

2. Can other companies develop similar drugs around the patent?
   Yes. Companies can modify the chemical structure or use different formulations outside the scope of the claims.

3. Is the patent broad enough to cover all derivatives?
   No. The claims focus on specific structural features, not all possible chemical derivatives.

4. How does the patent landscape influence drug development?
   It determines potential infringement risks and guides around existing patents.

5. What are the chances of patent invalidation?
   Validity challenges could succeed if prior art is found that discloses similar compounds or uses, or if procedural errors occurred during prosecution.

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References

1. [1] Eurasian Patent Office. (2022). Patent Application Database. Retrieved from https://www.eapo.org
2. [2] Espacenet. (2022). Patent Search. European Patent Office.
3. [3] INPADOC patent family database. (2022). Patent Family Information. World Intellectual Property Organization.
4. [4] WIPO. (2022). Patent Laws and Regulations. World Intellectual Property Organization.
5. [5] PatentScope. (2022). Global Patent Database. World Intellectual Property Organization.