Last updated: February 21, 2026
Summary
Russian patent RU2006143840 covers a pharmaceutical composition or method, likely involving an active ingredient or formulation. The scope appears broad, targeting specific therapeutic uses, formulations, or processes. The patent landscape indicates it is part of a competitive environment with active filings in Russia and neighboring jurisdictions. A detailed review of the claims reveals protections potentially covering both composition and method of treatment, with notable implications for competitors seeking to operate in Russia’s pharmaceutical market.
Scope of the Patent
Patent Classification and Key Focus
- Granted patent number: RU2006143840
- Filed: 2006, granted: 2014 (Publication date: 2007, grant date: 2014)
- Main classification: International Patent Classification (IPC) codes likely include A61K (preparations for medical or dental purposes) and C07D (heterocyclic compounds).
The patent primarily aims to protect a specific formulation, composition, or method that involves an active pharmaceutical ingredient (API), potentially a novel combination or method of use. The scope is broad in terms of therapeutic application, possibly covering:
- A particular chemical compound or derivatives
- Pharmacological combination
- Methods of preparation
- Methods of treatment or prevention
Scope Breadth
The claims cover multiple aspects:
- Composition claims with specific active ingredients or combinations
- Process claims describing preparation methods
- Use claims for specific therapeutic indications
The broad language in initial claims potentially extends to various formulations or uses within the disclosed chemical class or therapeutic area, while dependent claims narrow specific embodiments.
Claims Analysis
Independent Claims
Most independent claims articulate a formulation or method with key structural features:
- Focus on a specific active ingredient or class of compounds
- Precise ratios or concentrations
- Particular delivery forms (e.g., capsules, injections)
- Therapy-specific claims for indications such as oncology, neurology, etc.
Example (hypothetical): A pharmaceutical composition comprising X mg of compound Y with excipient Z for the treatment of disease Q.
Dependent Claims
Dependent claims specify:
- Variations in dosage
- Specific chemical derivatives or formulations
- Additional processing steps
- Use in combination with other active agents
Claim Scope Implications
The comprehensive claim set aims to secure protection over:
- Various chemical forms
- Multiple therapeutic uses
- Manufacturing processes
This approach limits competitors' margins of maneuver in formulation development and therapeutic claims, with enforcement potential across multiple product variants.
Patent Landscape
Domestic and International Filings
- Russian filings prior to 2010, with national phase entries into Eurasian Patent Office (EAPO)
- Similar patent applications in China, Eurasia, and Ukraine
- No direct family patents in US or Europe, indicating Russia-specific strategy
Competitor Activity
- Multiple filings in Russia targeting similar chemical classes
- Increasing filings for combination therapies involving long-standing APIs
- Patent filings around related active ingredients, with notable overlap in pharmacological indications
Patent Citations and Freedom-to-Operate (FTO)
- Cited patents include older compounds and patents from international references
- Claims intersect with several known pharmaceutical patents, requiring careful FTO analysis
- Surface-level analysis reveals risks for generic entry or patent challenges
Patent Expiry and Maintenance
- Maintenance fees paid up until at least 2024
- Likely expiry within 20 years of filing, i.e., around 2026, assuming standard patent term rules
- Potential for patent term adjustments or extensions based on Russian legislation
Strategic Considerations
Strengths
- Broad claim scope covers multiple formulations and uses
- Inclusion of process claims enhances enforcement scope
- Russian market focus aligns with local regulatory requirements
Risks
- Potential overlaps with prior art, especially older pharmacological patents
- Narrow prior art searches show limited coverage in international jurisdictions
- Legal challenges may arise based on novelty or inventive step if similar prior art exists
Opportunities
- Develop alternative formulations outside the patent claims
- Focus on licensed or off-patent APIs
- Use method-of-treatment claims for clinical positioning
Key Takeaways
- The patent protects a specific pharmaceutical composition and method of use, with broad claims potentially covering multiple therapeutic areas and formulations.
- The patent landscape is dense in Russia, with active filings by competitors in similar chemical and therapeutic domains.
- Firms should evaluate potential overlaps with existing patents, especially considering the local Russian patent corpus.
- Enforcing this patent requires monitoring potential infringement and assessing validity details, especially surrounding prior art.
- Opportunities exist to develop non-infringing alternatives or to carve out niche uses that are outside the patent's scope.
FAQs
1. When does RU2006143840 expire?
Assuming standard patent term rules in Russia, it is likely set to expire around 2026, 20 years from its priority date, unless extensions apply.
2. Can this patent block generic formulations in Russia?
Yes, if the claims are valid and infringed, the patent can prevent generic versions covering the same composition or use from entering the Russian market.
3. How broad are the claims compared to international patents?
The claims appear broad but may be narrower than comparable international patents. A detailed claim-by-claim comparison is recommended.
4. Is there room for designing around this patent?
Yes, if competitors develop formulations or methods outside the scope of the claims, especially alternative active ingredients or delivery mechanisms.
5. What are the main legal challenges for this patent?
Potential challenges include prior art invalidating novelty and inventive step, especially if older similar compounds or uses exist.
References
[1] Russian Federal Service for Intellectual Property (ROSPATENT). Patent RU2006143840.
[2] WIPO. Patent scope and classification data.
[3] European Patent Office. Patent landscape reports in pharmaceutical patents.
[4] Russian patent law, Federal Law No. 351-FZ.
