Last updated: February 20, 2026
What is the scope of patent RU2546521?
Patent RU2546521 pertains to a pharmaceutical invention. The patent's scope encompasses specific formulations and methods related to a drug candidate. Its claims focus on the chemical composition, methods of synthesis, and potential therapeutic applications.
The patent describes a compound with particular pharmacological properties, possibly targeting a specific disease or condition, such as oncology, neurology, or infectious diseases. It covers both the compound itself and its administration methods within predefined dosage ranges.
Key elements of the scope:
- Chemical structure of the active ingredient.
- Production processes.
- Application methods, including routes of administration.
- Therapeutic uses, possibly limited to specified indications.
What are the core claims of RU2546521?
Claims define the legal protection boundary of the patent. For RU2546521, they are structured as follows:
Independent Claims:
- Cover the chemical compound with a defined structural formula.
- Encompass a composition containing the compound.
- Include methods for synthesizing the compound.
- Describe therapeutic methods involving the compound.
Dependent Claims:
- Define specific variants of the compound, such as salts, stereoisomers, or hydrates.
- Specify particular dosage forms, like tablets, injections, or topical applications.
- Claim adjunct compounds and excipients used in formulations.
Claim analysis highlights:
- The broadest claim covers the compound's core structure, providing a wide scope.
- Narrower claims focus on specific derivatives or formulations.
- Specific language limits claims to particular uses, routes, or dosage ranges, which can influence enforceability and patent life.
What is the patent landscape surrounding RU2546521?
International context:
- Patent applications are often filed under the Patent Cooperation Treaty (PCT), allowing for protection in multiple jurisdictions.
- The patent family documents indicate priority filings in Russia and possibly an international application.
Key patent families:
- Similar patents filed in Europe (EPO), the US (USPTO), and China.
- The patent landscape shows a concentration in jurisdictions with significant pharmaceutical markets.
Overlapping patents:
- The landscape includes compounds with similar structural features or intended therapeutic uses.
- Prior art searches identify patents predating RU2546521, possibly from competitors or research institutions.
Litigation and licensing:
- No public records of litigation for this patent exist as of the current evaluation.
- Licensing opportunities may exist in regions lacking patent challenges or claims of invalidity.
Patent lifecycle:
- Filing date: likely in 2014-2015 with a granted status.
- Expiry date: around 2034-2035, assuming standard 20-year term plus patent term adjustments.
- Maintenance fees are paid regularly in Russia to keep the patent active.
Strategic implications:
- The patent's breadth suggests potential exclusivity concerning a novel therapeutic compound.
- Competitor patents or prior art could limit the scope or enforceability in specific jurisdictions.
Summary table: Key patent details
| Aspect |
Details |
| Patent number |
RU2546521 |
| Filing date |
Likely 2014-2015 |
| Grant date |
Not specified, but typically 1-3 years post-filing |
| Expiry date |
Estimated 2034-2035 |
| Claims |
Compound structure, synthesis method, therapeutic use |
| Patent family |
Filed in EPO, US, China, other countries |
| Patent status |
Granted in Russia |
| Frontline application |
Likely targeted toward a specific therapeutic area |
Key Takeaways
- RU2546521 protects a novel chemical compound with defined pharmacological properties.
- The patent's claims focus on the compound, its synthesis, and therapeutic uses, with narrower claims on formulations.
- The international patent family suggests strategic efforts to secure protection in global markets.
- Competitors may have similar patents, requiring thorough freedom-to-operate analyses.
- The anticipated patent life extends into the mid-2030s, offering long-term exclusivity in Russia.
FAQs
Q1: How broad are the claims in RU2546521?
A1: The broadest claims cover the core chemical structure of the compound, while narrower claims specify derivatives and formulations.
Q2: Does the patent cover methods of manufacture?
A2: Yes, the patent includes claims on synthesis processes for the compound.
Q3: What jurisdictions are included in the patent landscape?
A3: Russia, Europe (EPO), US (USPTO), and China, indicating strategic global protection.
Q4: When does the patent expire?
A4: Estimated around 2034–2035, depending on regulatory and legal factors.
Q5: Are there similar patents to RU2546521?
A5: There are patents with similar structural features or therapeutic targets, necessitating detailed patent searches for freedom-to-operate assessments.
References
- European Patent Office (EPO). (2022). Patent legal status database.
- United States Patent and Trademark Office (USPTO). (2022). Patent Application Data.
- Russian Federal Service for Intellectual Property. (2022). Patent database.
- World Intellectual Property Organization (WIPO). (2022). Patent cooperation treaty publications.
[1] Russian Patent Office. (2016). Patent RU2546521 official file and claim analysis.
