You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 12, 2025

Profile for Canada Patent: 3216640


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Canada Patent: 3216640

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
⤷  Get Started Free May 27, 2042 Amgen Inc OTEZLA XR apremilast
⤷  Get Started Free May 27, 2042 Amgen Inc OTEZLA XR apremilast
⤷  Get Started Free May 27, 2042 Amgen Inc OTEZLA XR apremilast
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape for Canadian Patent CA3216640

Last updated: November 8, 2025

Introduction

Canadian patent CA3216640 pertains to a novel pharmaceutical invention, with implications spanning drug development, legal rights, and market potential within Canada and internationally. Its scope, claims, and placement within the broader patent landscape influence its enforceability, licensing opportunities, and strategic value.

This analysis unpacks the detailed scope of CA3216640, examines its claims comprehensively, and contextualizes its position within the global pharmaceutical patent landscape.


Patent Overview and Background

CA3216640 was granted on [specific grant date, e.g., March 15, 2023], and was filed by [patent holder], a recognized innovator in [therapeutic area]. The patent describes [core innovation, e.g., a novel compound, formulation, or method of use], intended to address [specific medical need or indication].

While precise legal language often defines scope, understanding the claims offers clarity on exclusivity and potential infringement risks.


Scope of the Patent

Invention Summary

CA3216640 covers [a specific pharmaceutical composition, method, or compound], characterized by [key structural features or procedural steps]. It aims to improve [e.g., bioavailability, stability, efficacy, reduced side effects] compared to prior art.

Territorial Scope

The patent is enforceable within Canada, with potential counterparts or applications in other jurisdictions. Its Canadian scope restricts infringement to [Canadian territory], but its claims may influence global patent strategies through licensing or patent prosecution in other regions.

Field of Application

The patent’s claims primarily pertain to [therapeutic indications, such as oncology, neurology, or infectious disease]. Its scope encompasses [drug formulation, delivery method, or specific use cases], offering broad or narrow protection depending on claim language.


Claims Analysis

Claims define the legal scope of a patent, categorized as independent or dependent claims.

Independent Claims

Most likely, CA3216640 contains [number] independent claims defining its core innovation, for example:

"A pharmaceutical composition comprising [compound or formulation], wherein the composition exhibits [specific characteristic]..."

These claims establish the foundational patent rights. Their breadth determines the scope of protection and the potential for future litigation.

Dependent Claims

Dependent claims further specify particular embodiments, such as:

  • Variations in dosage forms
  • Specific therapeutic combinations
  • Alternative synthesis routes
  • Use of the compound for particular indications

These narrow claims refine the scope, offering fallback positions if the independent claims are challenged.

Claim Language and Interpretations

The precision of terminology—such as "comprising," "consisting of," or "consisting essentially of"—affects claim breadth. For instance:

  • "Comprising" allows for additional ingredients or steps, thus offering broader coverage.
  • "Consisting of" limits the scope strictly to listed components, narrowing enforceability.

In the case of CA3216640, the claims likely adopt "comprising," indicating a broader scope.

Claim clarity is essential, especially regarding structural specifics—e.g., chemical structure, stereochemistry, or process parameters—to avoid ambiguous interpretations and potential validity challenges.


Patent Landscape and Strategic Context

Prior Art Landscape

The patent’s novelty hinges on overcoming prior art—previous patents, scientific publications, or existing formulations. CA3216640 appears to distinguish itself via [distinctive structural features, novel synthesis, or unique therapeutic application].

Historically, patents in this space include:

  • US Patent XXXX (belonging to [competitor or prior innovator]) covering [similar compounds or methods].
  • European Patent XXXXX addressing [related therapeutic uses].

The scope of CA3216640 overlaps with these patents to the extent of [assessment of similarity or novelty]. Narrow claims or specific structural distinctions bolster its novelty defense.

Freedom to Operate (FTO) and Litigation Risk

Given the crowded patent landscape, the scope and specificity of CA3216640’s claims influence FTO analyses:

  • Broader claims risk infringing existing patents if overlaps exist.
  • Narrow, highly specific claims mitigate infringement risks but may limit market exclusivity.

Legal challenges could stem from prior art assertions, especially if key features are deemed obvious or anticipated.

Patent Lifecycle and Maintenance

The patent is typically granted for 20 years from filing, subject to maintenance fees. Its remaining lifespan impacts strategic decisions—whether to develop around, license, or litigate.

Complementary and Competitive Patents

In the broader landscape, related patents protect:

  • Drug delivery systems,
  • Combination therapies,
  • Method of manufacturing.

CA3216640’s strength depends on its defensibility against these alternatives and whether it fills a critical gap or offers a non-obvious improvement.


Implications for Industry Stakeholders

  • Pharmaceutical Companies: May license, infringe, or design around CA3216640 based on its claims.
  • Research Entities: Need to analyze if their innovations encroach or can benefit from licensing.
  • Legal Actors: Patent attorneys should scrutinize claim language and prior art to evaluate enforceability.

The patent’s strategic value depends on its enforceability, remaining lifecycle, and the scope’s breadth relative to competitors' patents.


Key Takeaways

  • Scope of CA3216640 hinges on well-defined claims focused on [core pharmaceutical innovation], with potential for broad or narrow enforcement depending on language and prior art.
  • Claims strategy should balance broad protection with defendability—narrow claims lessen invalidity risks but may limit competitive advantage.
  • Patent landscape analysis reveals existing patents that could impact CA3216640’s enforceability; understanding overlaps and distinctions is crucial.
  • The patent’s positioning within the Canadian and global landscape highlights licensing, infringement, and development opportunities.
  • Continuous monitoring of legal challenges and patent term remaining is vital for strategic planning.

FAQs

1. What determines the strength of a patent’s claims?
The strength depends on clarity, specificity, and novelty over prior art. Broad claims provide wider protection but are more vulnerable to invalidation; narrow claims are easier to defend but limit scope.

2. How does CA3216640 compare to other patents in the same field?
Its novelty and scope are influenced by the uniqueness of its structural features or therapeutic claims. A detailed patent landscape review may reveal overlapping patents or clear innovation distinctions.

3. Can CA3216640’s claims be challenged or invalidated?
Yes, through invalidity proceedings grounded on prior art, obviousness, or insufficient disclosure. Strong claim drafting and thorough patent prosecution mitigate such risks.

4. What strategic options do patent holders have with CA3216640?
Options include licensing, enforcement against infringers, or developing around narrower claim aspects. Licensing can generate revenue, while enforcement sustains market exclusivity.

5. How does patent CA3216640 influence drug development?
It may provide exclusivity for specific compounds or methods, encouraging investment. Conversely, broad claims might restrict others’ research unless licensing arrangements are made.


References

  1. [Author], [Title], [Publication], [Year] – For examples of patent claim language and interpretation.
  2. [Legal proceedings or patent databases] – For prior art searches and landscape mapping.
  3. Canadian Intellectual Property Office (CIPO) – Official patent documentation and legal status.
  4. International Patent Classification (IPC) – For understanding the technological context.
  5. Peer-reviewed journals – Medical and pharmaceutical literature related to the patent subject matter.

Note: Actual specific dates, claim language, and detailed legal descriptions for CA3216640 require direct access to the patent documentation, typically available via CIPO or accompanying patent databases. This analysis provides a structural framework based on typical patent analysis principles and publicly available information standards.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.