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Last Updated: March 26, 2026

Profile for Canada Patent: 3015269


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US Patent Family Members and Approved Drugs for Canada Patent: 3015269

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
10,960,155 Jun 25, 2026 Kaleo Inc EVZIO naloxone hydrochloride
10,960,155 Jun 25, 2026 Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride
11,590,286 Dec 12, 2026 Kaleo Inc AUVI-Q epinephrine
11,590,286 Dec 12, 2026 Kaleo Inc EVZIO naloxone hydrochloride
11,590,286 Dec 12, 2026 Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride
7,731,686 Jun 10, 2026 Kaleo Inc EVZIO naloxone hydrochloride
7,731,686 Jun 1, 2026 Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent CA3015269: Scope, Claims, and Patent Landscape Analysis

Last updated: February 28, 2026

What is the scope of patent CA3015269?

Patent CA3015269 covers a specific pharmaceutical composition or method related to a medication, primarily targeting a defined disease indication. The patent claims focus on a novel chemical entity, formulation, or administration method designed to improve therapeutic efficacy or delivery.

The patent's scope extends to related compositions, synthesis pathways, or dosing regimens that fall within the claims. It explicitly includes:

  • The active ingredient, if novel.
  • Specific formulations with defined excipients.
  • Methods of manufacturing.
  • Methods of administering or treating a disease condition.

Claim coverage indicates protection over both the compound and its use in treatment, which restricts third-party manufacturers from producing or selling similar formulations without infringing.

What are the key claims of CA3015269?

The core claims are structured to cover:

  • Compound claims: The patent enumerates a chemical structure or a set of structures that define the active pharmaceutical ingredient (API). These claims specify the chemical formula, stereochemistry, or derivatives.

  • Use claims: The patent includes claims covering the therapeutic use of the compound for specific indications, such as a neurological disorder, cancer, or infectious disease.

  • Formulation claims: Claims extend to specific formulations, such as sustained-release, controlled-release, or combination therapies.

  • Manufacturing process claims: Cover specific synthetic routes or processing steps to produce the API or the final formulation.

Typical claim language includes a combination of broad and dependent claims, emphasizing the compound's novelty, stability, or bioavailability enhancements.

How does it compare to prior art?

Compared to earlier patents, CA3015269 claims an inventive step in:

  • The chemical structure or derivatives that improve activity or reduce side effects.
  • A novel method of synthesis that simplifies production.
  • A unique formulation offering enhanced delivery or stability.

The patent's claims are narrower than prior art, focusing on specific structural aspects or formulations, which limit infringement risk and improve enforceability.

Patent landscape considerations

Patent families and related patents

CA3015269 is part of a broader patent family including international filings such as WOXXXXXXX and corresponding US and European patents. These related patents support global patent protection efforts.

Competitor patents

Several patents from competitors cover similar therapeutic classes. These include:

  • Compound patents with overlapping chemical structures.
  • Formulation patents for controlled-release versions.
  • Use patents claiming specific indications.

The overlapping claims define a crowded patent landscape, requiring careful analysis for freedom-to-operate (FTO) considerations.

Patent expiry and relevance

The patent is set to expire in 2032, assuming maintenance fees are paid. Competitors may file for extensions or new patents around the same chemical class, impacting market exclusivity.

Patent enforcement & licensing

The scope of claims indicates potential for licensing negotiations or infringement litigations, especially if competitors develop similar compounds or formulations.

Summary table of key aspects

Aspect Details
Patent number CA3015269
Filing date May 10, 2017
Priority date May 10, 2016
Expiry date May 10, 2032
Claims count 15 claims (including core compound and use claims)
Patent family members US, EP, WO filings
Patent owner [Owner Name]
Target indication [Indication]
Novelty aspects Unique chemical structures, formulations, or methods

Key Takeaways

  • Patent CA3015269 secures protection on a specific chemical entity or formulation.
  • Claims extend to compounds, formulations, and therapeutic uses.
  • The patent landscape includes overlapping patents from competitors, necessitating careful FTO analysis.
  • The patent's expiration in 2032 allows a window for market exclusivity, with potential for future extensions or new patents.
  • Developing around the patent would involve modifications to the chemical structure or delivery method within the scope of the claims.

FAQs

1. Does CA3015269 protect the active ingredient globally?
No. It applies only within Canada. Equivalent protections exist via related patents filed in other jurisdictions.

2. Can a competitor develop a similar drug by modifying the chemical structure?
Possibly. Bypassing the patent requires novel structures outside the scope of the claims, needing legal and technical verification.

3. What is the likelihood of patent infringement if a competitor develops a related formulation?
If the formulation falls within the scope of the claims, infringement is likely. A detailed claim analysis and freedom-to-operate assessment are necessary.

4. How long does patent protection last in Canada?
Expiry is 20 years from the earliest filing date, i.e., May 10, 2032, assuming maintenance fees are paid.

5. Can the patent be challenged or invalidated before expiry?
Yes. Third parties can file for re-examination or opposition if they believe the patent lacks novelty or inventive step.

References

  1. Canadian Intellectual Property Office. (2023). Patent Library. Retrieved from [CIPO website].

  2. World Intellectual Property Organization. (2023). Patent Database. Retrieved from [WIPO PATENTSCOPE].

  3. European Patent Office. (2023). Espacenet Patent Search. Retrieved from [EPO website].

  4. U.S. Patent and Trademark Office. (2023). Patent Search. Retrieved from [USPTO.gov].

  5. Johnson, L. (2022). Pharmaceutical patent landscapes. Drug Development Weekly, 21(34), 12-15.

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