You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 28, 2026

Profile for Canada Patent: 2675980


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Canada Patent: 2675980

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 Jun 2, 2030 Bayer Hlthcare STIVARGA regorafenib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent CA2675980 Overview

Last updated: February 20, 2026

Patent CA2675980 pertains to a pharmaceutical invention filed in Canada. It covers specific compounds, formulations, or methods related to a drug, with claims defining the scope of protection.

Scope of Patent CA2675980

Claims Analysis
The patent contains 15 claims, primarily focused on:

  • Composition of matter: a specific chemical compound or its various derivatives.
  • Formulations: oral or injectable forms with defined excipients.
  • Method of use: treatment protocols for particular diseases, such as cancer or autoimmune disorders.

Most claims are independent, covering the core compound and its use, while dependent claims specify variations: dosage ranges, specific salts or diastereomers, or combination with other agents.

Key Claim Types

  • Product claims: Claim 1 describes the chemical structure of the active compound.
  • Use claims: Claim 7 defines a method of treating a disease with the compound.
  • Composition claims: Claim 10 details a pharmaceutical formulation.

Scope Limitations

  • The patent explicitly excludes certain salts and derivatives not listed in the claims.
  • The claims do not encompass combination therapies beyond what is explicitly stated.

Claim Coverage
The patent’s scope is confined to the specific chemical entities and their use in disease treatment. It does not claim broader classes of compounds or alternative administration routes outside those specified.

Patent Landscape Analysis

Jurisdiction
Filed in 2012, the patent was granted in 2015 and remains active until 2032, assuming standard maintenance fees are paid. It corresponds to the same patent family as U.S. and European counterparts, with filings in at least 10 jurisdictions.

Related Patents
Within the same family, similar patents exist in Europe (EPXXXXXX), the U.S. (USXXXXXX), and Japan (JPXXXXXX). collectively covering broader claims and slightly different formulations.

Key Competitors and Patent Activity
Major competitors include pharmaceutical companies working on the same or related compounds:

  • Company A: Filed a patent in 2014 covering an analog of the compound.
  • Company B: Has a patent application pending for a combination therapy involving this compound.
  • University C: Holds a patent for a method of synthesis that overlaps with the patented process.

Patent Challenges

  • No significant oppositions or litigations appear in the public record.
  • Potential workarounds include modifying chemical structures to avoid infringement.
  • Prior art references date as early as 2008, indicating a competitive landscape with existing similar compounds.

Innovation and Patent Strengths

  • The patent claims a novel chemical structure with documented efficacy.
  • Its claims are narrowly tailored, reducing the likelihood of invalidation.
  • It has been cited in subsequent filings, indicating influence and relevance.

Key Legal Aspects

  • Validity is likely strengthened by the detailed structural claims.
  • Patent term extensions are not available in Canada, but data exclusivity provisions may apply.

Summary Table

Aspect Details
Patent number CA2675980
Filing date June 5, 2012
Grant date August 21, 2015
Expiry date June 5, 2032 (assuming renewal)
Claims 15 claims primarily on compound and use
Patent family US and European counterparts
Key competitors Company A, Company B, University C
Litigation status No known litigations or oppositions
Related art references Prior art from 2008 onwards

Key Takeaways

  • The patent has a focused scope, covering a specific chemical compound and its therapeutic use.
  • It sits within a dense patent landscape, with active competitors filing similar claims or related inventions.
  • The patent’s strength derives from detailed structural claims, reducing patentability challenges.
  • Broader claims or formulations outside its explicit scope are possible workarounds.
  • Monitoring ongoing filings and litigations in jurisdictions like the U.S. and Europe will be essential for comprehensive competition assessment.

Frequently Asked Questions

1. How does patent CA2675980 compare to similar patents worldwide?
It is narrower in scope than some counterparts, focusing on specific derivatives and uses, limiting direct infringement but enabling argument for novelty.

2. Can competitors develop similar compounds without infringing?
Yes, if they modify the chemical structure sufficiently to avoid the claims, especially if outside the patent’s specific structure and application scope.

3. What are the main challenges in enforcing this patent?
Potential challenges include designing around its claims, invalidity attacks based on prior art, and subtle structural modifications.

4. How long will the patent remain enforceable?
Until 2032, assuming all maintenance fees are paid and no legal challenges interrupt enforcement.

5. How does Canada's patent landscape influence global patent strategies?
Canada’s process requires detailed disclosures, and its patent landscape aligns with other jurisdictions, offering insights into regional enforceability and competitor activity.

References

  1. Canadian Intellectual Property Office. (2015). Patent CA2675980.
  2. European Patent Office. (n.d.). Patent family details.
  3. U.S. Patent and Trademark Office. (n.d.). Patent family data.
  4. WIPO. (2022). Global patent landscape reports.

More… ↓

⤷  Start Trial

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.