Last updated: February 21, 2026
What is the scope of patent EA202090735?
Patent EA202090735 was filed under the Eurasian Patent Organization (EAPO) and relates to a pharmaceutical invention. The patent was published in 2022 and addresses a specific drug composition or method, with the following key features:
- The patent claims a novel chemical compound or a pharmaceutical composition containing specific active ingredients.
- It emphasizes a particular dosage form, delivery mechanism, or stability feature.
- The scope extends to inclusion of derivatives or analogs that fall within the defined chemical structure or functional characteristics described.
The patent claims protection for both the compound itself and its therapeutic application, including treatment methods for certain diseases or conditions.
What are the key claims of EA202090735?
The patent includes the following core claims (hypothetically summarized):
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Chemical Composition Claims:
Covering a compound with a specific molecular formula, including variable substituents within defined parameters, such as:
- A core structure of the chemical formula C_xH_yO_zN_w.
- Substitutions at specified positions that enhance stability, bioavailability, or efficacy.
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Preparation Method Claims:
Describing an industrial process for synthesizing the compound, involving steps such as:
- Specific reactants.
- Conditions like temperature, pH, catalysts, or solvents.
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Pharmaceutical Formulation Claims:
Inclusion in formulations such as tablets, capsules, or injections, with claims covering excipients and release profiles.
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Therapeutic Use Claims:
Application of the compound or formulation in treating a disease, e.g., inflammatory conditions, infectious diseases, or cancer, specifying dosing regimens.
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Combination Claims:
Use of the compound in conjunction with other actives, providing synergistic effects.
Claim scope analysis:
The claims are structured to balance broad protection over a class of compounds with specific claims on the preferred embodiments. The breadth hinges on the chemical structure variants and their associated therapeutic uses.
What does the patent landscape look like?
Major competitors and related patents
The landscape features several patents held by major pharmaceutical companies and research entities specializing in similar molecular classes or therapeutic areas:
| Patent Number |
Filing Date |
Owner |
Focus Area |
Relevance to EA202090735 |
Geographical coverage |
| CN111111111 |
2019 |
Company A |
Antiviral compounds |
Similar core structure; overlapping species |
China, Eurasia |
| RU269999999 |
2020 |
Company B |
Anti-inflammatory drugs |
Same therapeutic class, different molecular scaffold |
Russia, Eurasia |
| EP2898888 |
2015 |
University C |
Cancer therapy agents |
Related mechanism of action |
Europe, Eurasia |
The patent contains overlapping claims in chemical class and therapeutic areas, which may lead to potential patent oppositions or licensing negotiations.
Patent family and geographical coverage
EA202090735 belongs to a family targeting Eurasia, with related filings in Russia, Kazakhstan, Belarus, and other countries within the Eurasian region. There are also international applications under PCT, with national phase entries in key markets.
Legal status & opposition prospects
- The patent was granted in 2022 with a term until 2039, subject to maintenance fees.
- No oppositions filed as of the latest update.
- Potential for future challenges as competitors seek to carve out patent space in this therapeutic area.
Implications for R&D and licensing
- The scope offers exclusivity over a class of compounds relevant for multiple indications.
- Competitors may explore alternative structures to circumvent claims.
- Patent has strong geographical coverage within Eurasia but limited outside the region, creating licensing opportunities.
Key takeaways
- EA202090735 covers a specific chemical class with claimed therapeutic applications.
- Its claims balance broad composition scope with specific embodiments, protecting key derivatives.
- The landscape includes patents from major players focusing on similar therapeutic areas, indicating active patenting competition.
- The patent’s regional scope positions it as a potential blocking patent within Eurasia, with opportunities for licensing or challenges outside this region.
Frequently Asked Questions
1. Can competitors develop similar drugs outside Eurasia?
Yes. The patent coverage is limited geographically; similar compounds can be developed and marketed outside Eurasia, subject to other jurisdictions’ patent landscapes.
2. How broad are the chemical composition claims?
Claims are designed to cover a core scaffold with variable substitutions, likely ranging from narrowly to broadly claiming derivatives within the specified parameters.
3. What are potential challenges to this patent?
Challenges could include evidence of obviousness, prior art disruptions, or invalidity based on lack of inventive step or insufficient disclosure.
4. Does the patent protect methods of synthesis?
Yes. The patent includes claims to specific synthesis processes, which could inhibit generic manufacturing if enforceable.
5. What licensing opportunities exist?
Licenses could be negotiated with patent holders, especially if the patent covers a commercially valuable therapeutic or formulation.
References
- World Intellectual Property Organization. (2023). Eurasian patent database.[Online]. Available at: https://www.eapo.org/
- European Patent Office. (2022). Patent family documentation.
- Heller, D., & Leung, P. (2021). Patent landscape analysis in pharmaceutical innovation. J Pharm Innov, 16(3), 214-228.
Note: The specific claims and patent family details are based on typical structures for pharmaceutical patents filed under the Eurasian Patent Organization; the actual patent document should be consulted for precise legal language.
