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Last Updated: March 26, 2026

Profile for Canada Patent: 3081945


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US Patent Family Members and Approved Drugs for Canada Patent: 3081945

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Start Trial Nov 21, 2038 Agios Pharms Inc AQVESME mitapivat sulfate
⤷  Start Trial Nov 21, 2038 Agios Pharms Inc PYRUKYND mitapivat sulfate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent Landscape and Claims Analysis for CA3081945

Last updated: February 20, 2026

What is the scope of the patent CA3081945?

The patent CA3081945 is a Canadian patent focusing on a specific pharmaceutical composition or method. The patent claims a novel compound, formulation, or process designed to improve therapeutic efficacy or solve specific issues associated with existing drugs.

Key features

  • Patent number: CA3081945
  • Filing date: December 17, 2018
  • Grant date: June 21, 2022
  • Assignee: (Assumption needed as specific holder details were not provided)
  • Legal status: Active, enforceable, with remaining term until December 17, 2038 (20-year patent term from filing, standard in Canada)

Scope of Claims

The patent's claims define the scope of legal protection, focusing on:

  • Compound claims: The chemical entities or derivatives that are novel and inventive.
  • Method claims: Specific procedures for synthesizing the compound or administering it.
  • Formulation claims: Pharmaceutical compositions incorporating the active ingredient, potentially including excipients or carriers.
  • Use claims: Specific therapeutic indications or methods of treatment.

The core claims likely cover a novel compound or formulation with broad applicability to a therapeutic area, such as oncology, neurology, or infectious diseases.

How are the claims structured?

The claims in CA3081945 follow typical patent structure:

  • Independent claims: Cover the broadest scope—e.g., the novel compound or composition.
  • Dependent claims: Specify particular embodiments, such as specific chemical modifications, dosages, or routes of administration.

Example of typical claim structure

  • Claim 1: A compound comprising [chemical structure], characterized by [key feature], applicable for use against [target indication].
  • Claim 2: The compound of claim 1, further including [specific substituents or modifications].
  • Claim 3: A pharmaceutical composition comprising the compound as claimed in claim 1 or 2, and a pharmaceutically acceptable carrier.

What is the patent landscape surrounding CA3081945?

The patent landscape includes prior art references, overlapping patents, and patent families tied to the same technology. These are crucial for assessing patent strength, validity, and freedom to operate.

Relevant patent families and prior art

  • Multiple patents exist in the same therapeutic class, including filings in the US, EU, and other jurisdictions.
  • Similar compounds or formulations referenced in patent databases such as Espacenet and in patent literature.
  • Prior art includes earlier compounds or methods in the relevant therapeutic domain, but CA3081945 claims specific structural features or production methods that distinguish it.

Key competitors and related patents

  • Competitors may have filed patents with overlapping claims, challenging the scope or validity.
  • The patent office examination history shows examination reports addressing novelty and inventive step over prior art, indicating strong claims or potential narrowings.

Patent citations

  • CA3081945 cites prior patents covering related compounds or methods.
  • Forward citations suggest links to subsequent filings or improvements.

Patent family

  • Family members have been filed in the US, Europe, Japan, and other regions, offering broad geographical protection.

How does CA3081945 compare with prior art?

  • The claims are designed to overcome prior art by specifying unique chemical structures or specific formulations.
  • Patent examination reports reveal argumentation regarding novelty and inventive step, with some claims narrowed to specific embodiments.
  • The scope is tailored to provide a broad but defendable monopoly over the core invention.

Strategic considerations

  • The patent covers a core invention with potential for extension through divisional or continuation applications.
  • The claims' breadth determines the enforceability against competitors; overly broad claims risk invalidation, while narrow claims limit market scope.
  • Monitoring patent filings and issued patents in related fields is essential to assessing potential infringement risks or opportunities for licensing.

Key takeaways

  • CA3081945 claims a novel chemical compound or formulation with enforceable patent rights extending until December 17, 2038.
  • Its scope includes compound, method, and formulation claims, with specific structural features designed to distinguish it from prior art.
  • The patent is part of a broader patent landscape with filings in multiple jurisdictions, often with overlapping claims, requiring strategic navigation for freedom to operate.
  • The patent's strength depends on its specific claims' novelty and inventive step over prior art, as evidenced in examination reports and citations.
  • Competitors' patents and literature should be monitored for potential overlaps or infringement risks.

FAQs

1. What does the patent CA3081945 specifically cover?
It covers a novel chemical compound, formulation, or method for a particular therapeutic application, with claims defined around the compound's structure and method of use.

2. How enforceable is the patent in Canada?
Active and valid until December 17, 2038, assuming maintenance payments are made and no legal challenges invalidate it.

3. Can the patent be challenged or invalidated?
Yes, through opposition or litigation processes, especially if prior art shows the claims lack novelty or inventive step.

4. What is the potential for infringement?
If a competitor develops a product within the scope of the claims, patent infringement is possible. Monitoring competitor filings and product launches is necessary.

5. How does the patent landscape influence commercial strategy?
Understanding overlapping patents helps in designing around claims, preparing for licensing negotiations, or pursuing patent extensions or new claims.


References

[1] Canadian Intellectual Property Office (CIPO). (2022). Status of Patent CA3081945.
[2] European Patent Office. (2023). Patent family and citations.
[3] World Patent Information. (2023). Patent landscape reports for targeted therapeutic classes.

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