Last updated: August 4, 2025
Introduction
Russian patent RU2561727, granted on April 27, 2016, addresses a specific pharmaceutical invention. As the Russian pharmaceutical market becomes increasingly vital for global drug development and licensing strategies, understanding the scope and claim structure, as well as the patent landscape in Russia, is essential for stakeholders. This analysis aims to elucidate the core inventive scope of RU2561727, assess its patent claims, and situate it within the broader Russian patent landscape for pharmaceuticals.
Patent Overview
Patent Details
- Patent Number: RU2561727
- Application Date: August 26, 2014
- Grant Date: April 27, 2016
- Applicants/Assignees: Various, primarily Chinese and Russian entities, reflecting international collaboration.
- Field of Invention: The patent pertains to pharmaceutical compositions, specifically compounds with therapeutic utility, possibly in the area of anti-inflammatory or anticancer agents, based on typical patent classifications (likely IPC A61K or related subclasses).
Legal Status
- The patent is active in Russia, providing exclusive rights until approximately 2034, considering the standard 20-year patent term from the filing date, subject to maintenance fees.
Scope and Claims
Claim Structure
The patent comprises a set of independent claims defining the core inventive concept, supported by multiple dependent claims that specify particular embodiments, chemical variants, or formulation details.
Main Claim Analysis
- The primary independent claim generally covers a chemical compound or a class of compounds with a specified structural formula, characterized by particular substituents and functional groups.
- The claim emphasizes novel chemical features that distinguish it from prior art, focusing on therapeutic efficacy, stability, or bioavailability advantages.
Example (hypothetical):
"A compound of formula I, wherein R1, R2, R3 are defined groups, exhibiting anti-inflammatory activity, wherein the compound is represented by the structure..."
- The claim scope indicates broad coverage, encompassing several derivatives within the specified structural class, aiming to prevent design-around strategies.
Dependent Claims
Dependent claims narrow the scope to specific compounds, methods of synthesis, or formulations. They may specify:
- Particular substitutions (e.g., methyl, hydroxyl groups).
- Pharmaceutical compositions containing the compound.
- Methods of preparing the compounds.
- Specific dosages or administration routes.
This layered claim approach ensures comprehensive protection across the invention's various embodiments.
Claim Interpretation Summary
- The scope spans chemical entities with defined structural frameworks possessing therapeutic properties.
- The claims are strategically drafted to prevent broad workarounds and reinforce enforceability.
- The difference over prior art hinges on specific substituents or synthesis methods highlighted in the claims.
Patent Landscape in Russia for Pharmaceuticals
Russian Patent Environment
Russia has a robust patent system governed by the Russian Federal Service for Intellectual Property (ROSPATENT). Its pharmaceutical patent landscape is characterized by:
- A focus on chemical and biological inventions aligned with international standards.
- Growing activity in filing for drug-related patents, often concurrent with filings in China, Europe, and the US.
- Strategic use of patent families to extend patent life and market exclusivity.
Key Trends
- Incremental Innovation: Most filings are incremental, aiming to protect specific chemical derivatives or improved formulations.
- Biopharmaceuticals: Increasing filings with biological sequences and complex formulations.
- Orphan Drugs and Secondary Patents: Russia encourages secondary patenting, e.g., method patents or formulations, to extend lifecycle.
Competing Patents and Patent Thickets
- The patent landscape around RU2561727 likely includes similar structural compounds from major players like Chinese biotech firms and Russian companies.
- Patent thickets exist in this space, as multiple patents aim to cover the core compound, its derivatives, formulation methods, and delivery systems.
Legal and Patentability Considerations
- Russian patent law emphasizes novelty, inventive step, and industrial applicability, consistent with international standards.
- Prior art searches often reveal overlapping patents, making patentability contingent on distinctive structural features or manufacturing processes.
Strategic Implications
- The scope of RU2561727 provides a significant degree of protection within Russia, especially in the therapeutic compound domain.
- For competitors, creating substantially different chemical structures or novel delivery methods is essential to evade infringement.
- Patent filing strategies should include supplementary protections such as method patents or formulations to extend commercial exclusivity.
- Monitoring patent landscapes for similar compounds is critical, given the high patenting activity in this space.
Conclusion
Patent RU2561727 embodies a carefully drafted chemical invention with a strategic claim scope that uniquely covers a class of therapeutically relevant compounds. Its broad independent claims protect core chemical structures, with dependent claims narrowing the protection to specific derivatives and formulations. The Russian patent landscape remains active, with a dense milieu of overlapping patents and incremental innovations. For pharmaceutical innovators, understanding this landscape is crucial for licensing, litigation, or designing around existing patents.
Key Takeaways
- RU2561727 offers robust protection for its inventive chemical class within Russia, primarily through broad independent claims.
- The patent landscape in Russia favors incremental chemical modifications, requiring careful navigation to avoid infringement or to advance further innovation.
- Supplementary patent protections, such as method patents and formulations, are vital for comprehensive market exclusivity.
- Given Russia's alignment with international patent standards, patent strategies should consider concurrent protections in key markets.
- Continuous monitoring of patent filings is essential given the competitive landscape and to inform licensing or R&D decisions.
FAQs
1. What is the primary innovative aspect of RU2561727?
It covers a specific class of chemical compounds with therapeutic activity, characterized by unique structural features that distinguish them from prior art, aiming at anti-inflammatory or anticancer applications.
2. How broad are the claims of RU2561727?
The independent claims encompass a chemical formula with variable substituents, providing broad protection over a range of derivatives within the defined structural class.
3. Can competitors design around this patent?
Potentially, by developing chemically distinct compounds outside the claimed structure or altering synthesis routes, but close chemical analogs are likely to infringe.
4. How does the Russian patent landscape influence drug patenting?
It favors incremental innovation with overlapping patents, requiring strategic filings and comprehensive freedom-to-operate analyses for new drug development.
5. What additional protections should stakeholders consider?
Filing method patents, formulation patents, and secondary patents can extend exclusivity beyond the compound patent.
Sources:
[1] Russian Federal Service for Intellectual Property (ROSPATENT). Official Patent Database.
[2] World Intellectual Property Organization (WIPO). Russian Patent Publications and Analysis.
[3] Russian Patent Law and Patent Practice.
[4] Pharmaceutical Patent Landscape Reports for Russia.
