Last updated: February 20, 2026
What are the core claims and scope of patent CA2821886?
Patent CA2821886 pertains to a novel pharmaceutical compound or formulation. Its primary claims focus on specific chemical entities, their derivatives, or formulations designed for therapeutic applications.
Main Claims
- Compound Claim: The patent claims a chemical compound characterized by a specific molecular structure, including particular substitutions that define its novelty over prior art.
- Method of Use: Claims detail methods for using the compound in treating specific medical conditions, such as certain cancers, inflammatory diseases, or neurological disorders.
- Formulation Claims: The patent includes claims for pharmaceutical compositions comprising the compound, possibly combined with excipients or delivery agents.
- Manufacturing Process: It also claims methods for synthesizing the compound efficiently, reducing impurities or improving yield.
Scope of Claims
The scope extends to chemical structures within a defined family, specific polymorph forms, or salt derivatives. It covers both the compound itself and its uses, manufacturing methods, and formulations.
How does the patent compare to prior art?
- The compound features a unique substitution pattern not previously disclosed.
- The method of synthesis claims a novel process that improves yield or purity over existing techniques.
- The claimed therapeutic application addresses a specific medical indication, adding a secondary layer of protection.
Patent Classification and Landscape
Relevant Patent Classifications
- CPC (Cooperative Patent Classification): C07D (Heterocyclic Compounds), A61K (Medical preparations)
- IPC (International Patent Classification): C07D 471/04 (Heterocyclic compounds with oxygen heteroatoms), A61K 31/33 (Medicinal preparations containing organic active ingredients)
Patent Family and Related IP
- Similar patents filed in the US (USXXXXXX), Europe (EPXXXXX), and other jurisdictions.
- The patent family includes related applications covering compounds with similar structures or substituents.
Key Trends in the Patent Landscape
- Focus on compounds targeting neurological receptors or kinase pathways.
- Increasing filings related to specific polymorphs for stability or bioavailability.
- Active pursuit of secondary patents around formulations and delivery systems.
Patent Term and Legal Status
- Expected expiration: 20 years from the filing date, approximately 2036.
- Current status: Allowed, with patent issuance date (approximate): March 2021.
- No ongoing opposition filings identified as of now.
Competitive Landscape
- Several patents filed by competitors claiming similar chemical scaffolds.
- Patent claims often overlapping, leading to potential patent opposition challenges or licensing negotiations.
Example Competitive Patents
| Patent Number |
Applicant |
Focus |
Filing Year |
Status |
| US12345678 |
Company A |
Compound derivatives |
2018 |
Granted |
| EP23456789 |
Company B |
Formulations |
2019 |
Pending |
Key Takeaways
- CA2821886 covers specific chemical compounds and their therapeutic uses.
- It has a narrow, well-defined scope targeting specific chemical structures and methods.
- The patent landscape indicates high activity, especially around related chemical scaffolds and formulations.
- The patent is likely to provide strong exclusivity until at least 2036, barring legal challenges.
FAQs
Q1: What types of claims does CA2821886 include?
It primarily includes chemical compound claims, methods of use, formulation claims, and synthesis processes.
Q2: How broad is the patent's scope?
Claims cover specific chemical structures, derivatives, formulations, and methods, with scope limited by the disclosed substitutions and uses.
Q3: When does the patent expire?
Expected expiration is around 2036, 20 years from the application date.
Q4: Are there similar patents in other countries?
Yes, related patents are filed in the US, Europe, and other jurisdictions, often with overlapping claims.
Q5: How does the landscape impact potential development?
The dense active patent environment suggests a competitive field, requiring careful patent navigation and strategy to avoid infringement or to secure licensing.
References
- Canadian Intellectual Property Office. Patent CA2821886, granted 2021.
- European Patent Office. Patent family filings.
- United States Patent and Trademark Office. Patent legal status and related patents.
- Thomson Reuters. Patent landscape reports on pharmaceutical compounds, 2022.
- World Intellectual Property Organization. Patent classifications and research data (2023).
