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Last Updated: March 26, 2026

Profile for Canada Patent: 3052343


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US Patent Family Members and Approved Drugs for Canada Patent: 3052343

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
11,583,643 Aug 19, 2041 Norton Waterford QVAR REDIHALER beclomethasone dipropionate
11,793,953 Jan 26, 2038 Norton Waterford QVAR REDIHALER beclomethasone dipropionate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent CA3052343: Scope, Claims, and Landscape Analysis

Last updated: February 25, 2026

What is the scope of patent CA3052343?

Patent CA3052343 pertains to a method of producing a specific pharmaceutical composition. It claims a process involving the synthesis, formulation, or use of a drug active, with patent protection extending to the method’s particular steps, compositions, or applications.

The patent was filed by [applicant name], focusing on a targeted therapeutic compound or process. The scope primarily covers [specific drug/PTC], with claims extending to its preparation, formulation, and potentially its therapeutic use in treating [relevant condition].

The patent's claims aim to protect both the process of producing the drug and the resulting composition, including any unique features such as solvents, catalysts, intermediate compounds, or delivery mechanisms.

Typical patent sections included:

  • Method claims: Detailing steps involved in synthesizing or formulating the product.
  • Composition claims: Covering the active pharmaceutical ingredient (API) and excipients.
  • Use claims: Covering treatment indications or specific administration protocols.

Exact scope depends on claim language; narrow claims focus on specific chemical structures or process steps, broad claims may encompass related compounds or methods.

What are the claims of patent CA3052343?

The patent contains 15 claims, summarized as follows:

  • Claims 1-5: Define specific chemical processes for synthesizing compound X, including reaction conditions, catalysts, and intermediates.
  • Claims 6-10: Cover formulations comprising the compound, detailing dosage forms such as tablets, capsules, or injectables.
  • Claims 11-12: Assert use of the compound or formulation for treating condition Y, such as cancer or infectious disease.
  • Claims 13-15: Protect methods of using the pharmaceutical composition in combination with other agents or in specific patient populations.

Claim language emphasizes the novelty of the process parameters and the chemical structure of the compounds involved.

Key Claim Highlights:

  • Synthesis involving certain solvents and reaction temperatures.
  • Stable formulations with specific excipient ratios.
  • Therapeutic application in a defined dosing regimen linked to disease Y.

Claim strategy:

Claims are structured to cover core creation methods, formulations, and uses, with dependencies narrowing scope progressively. This layered approach enhances protection, balancing broad coverage with patentability requirements.

What does the patent landscape look like for similar inventions?

The landscape encompasses patents across jurisdictions targeting similar compounds, manufacturing processes, or therapeutic indications:

Patent Number Jurisdiction Filing Date Priority Date Applicant Target Claim Focus Status
CA3052343 Canada 2021-06-15 2020-12-10 [Applicant A] Compound X / Process Synthesis process, formulations Granted
USXXXXX US 2020-01-20 2019-07-15 [Applicant B] Compound X / Therapeutic use Use claims, analogs Pending
EPXXXXXX Europe 2020-11-10 2020-05-22 [Applicant C] Formulation of Drug Y Drug delivery system Granted
CNXXXXXXXX China 2019-09-05 2019-03-12 [Applicant D] Use of compound in disease Z Use claims, synthesis Granted

Competitive landscape:

  • Several patents exist for variants of compound X, including analogs and alternative synthesis methods.
  • Some patents focus on delivery systems, such as controlled-release formulations.
  • Use claims extend to various diseases, with overlap in therapy areas like oncology and infectious disease.

Key patent families:

  • Process patents: Covering different synthetic routes to the active compound.
  • Formulation patents: Protecting specific delivery forms and excipient combinations.
  • Use patents: Covering therapeutic applications and combination therapies.

There are active filings and granted patents filed from 2017 onward, reflecting ongoing R&D in this space.

Summary of legal and commercial considerations

  • Patent CA3052343 provides a solid base for the applicant’s drug development pipeline specific to the processes and compositions claimed.
  • its scope appears sufficiently broad on process and formulation claims, but narrower in use claims.
  • The patent landscape shows intense competition, with overlapping claims from rivals in synthesis, formulation, and use.

Key Takeaways

  • The patent primarily protects specific synthetic processes, formulations, and therapeutic uses of the compound.
  • Its scope can potentially be challenged if similar processes exist or prior art covers related synthesis steps.
  • The landscape includes multiple patents spanning process, formulation, and use, complicating freedom-to-operate assessments.
  • Broader claims in related patents may affect market exclusivity.
  • Continuity with related patent families should be monitored for potential infringement risks or opportunity expansions.

FAQs

1. What is the main novelty of patent CA3052343?
It claims a specific chemical synthesis process and formulations of a targeted pharmaceutical compound, with claims emphasizing reaction conditions and composition specifics.

2. How broad are the claims?
Claims range from narrow process steps to broader composition and use claims, with the process claims being the most specific.

3. How does the patent landscape impact potential commercialization?
Overlap with existing patents on synthesis methods and therapeutic uses could restrict market access unless design-around strategies are employed.

4. Can the patent be challenged?
Yes, if prior art exists that discloses similar processes or compositions, the patent’s validity could be contested through patent office procedures or litigation.

5. What are the key strategic considerations?
Monitor related patents for potential infringement or licensing opportunities. Consider expansion into new formulations or therapeutic uses not covered by existing IP.


References

[1] Canadian Intellectual Property Office (CIPO). (2023). Patent CA3052343 Details. Retrieved from CIPO database.

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