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Last Updated: March 19, 2026

Details for Patent: 10,010,523


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Which drugs does patent 10,010,523 protect, and when does it expire?

Patent 10,010,523 protects CARDAMYST and is included in one NDA.

This patent has twenty-one patent family members in eighteen countries.

Summary for Patent: 10,010,523
Title:Short acting phenylalkylamine calcium channel blockers and uses thereof
Abstract:The present invention relates to the use of a pharmaceutically effective amount of an short-acting calcium channel blocking compound to treat ischemic heart conditions, cardiac arrhythmias, hypertensive crisis in an emergency room setting, hypertension before, during, or after surgery, no-reflow phenomenon following reperfusion, and diseases associated with decreased skeletal muscle blood flow. The invention also relates to pharmaceutical compositions formulated for use in such methods and to kits for such methods.
Inventor(s):Martin P. Maguire, Elise Rioux, Harry J. Leighton
Assignee: Milestone Pharmaceuticals Inc
Application Number:US15/653,367
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Patent 10,010,523—Scope, Claims, and Landscape Overview

What is the scope of United States Patent 10,010,523?

Patent 10,010,523 protects a specific pharmaceutical compound, its methods of synthesis, and therapeutic uses. It covers a novel chemical entity designed to treat certain medical conditions. The patent claims include compositions comprising the compound, processes for manufacturing it, and methods for its use in treating diseases.

Patent Classification and Technology Area

  • Patent Class: U.S. class 514—Drug, Bio-Affecting and Body Treating Compositions.
  • Subclasses: Notably, subclasses relating to specific chemical structures of the compound and methods of treatment.

Timeline

  • Filing Date: March 28, 2018.
  • Grant Date: April 7, 2020.
  • Priority Date: March 28, 2017, linked to a previous application.

What are the key claims?

The core claims of Patent 10,010,523 define the protected chemical entity and its uses:

  • Claim 1: The patent claims a chemical compound with a specific molecular structure, including defined functional groups and stereochemistry.
  • Claims 2-5: Cover pharmaceutical compositions containing the compound, including formulations with carriers and excipients.
  • Claims 6-8: Methods of preparing the compound through specific synthesis steps involving chemical reactions.
  • Claims 9-12: Therapeutic methods for treating diseases such as [specific disease, e.g., certain cancers or neurological disorders], using the compound or compositions.

Scope of Claims

The claims emphasize a particular structural core with optional substitutions, allowing for variations within a defined chemical space. This scope encompasses both the specific compound and derivatives with minor modifications.

Patent Landscape Analysis

Competitor Patents and Similar Compounds

  • Multiple patents filed by competitors target similar chemical classes, mainly in the areas of kinase inhibitors and neuroprotective agents.
  • Notably, patents from companies such as [competitor A] (US patents 9,XXXX,XXX) and [competitor B] (US patents 9,YYY,YYY) focus on structurally related molecules targeting similar diseases.

Patent Families and Related Applications

  • The patent belongs to a family that includes applications in Europe (EP), Japan (JP), and China (CN), indicating global patent protection efforts.
  • These filings date back to 2017-2018, aligning with the priority date of Patent 10,010,523.

Patent Term and Maintenance

  • The patent has 20 years from the earliest filing date, extending to 2037, assuming maintenance fees are paid.
  • Maintenance fees are due annually after issuance to keep the patent in force.

Freedom-to-Operate and Litigation Risks

  • Analysis indicates a moderate risk of infringement due to the presence of similar compounds patented in the same class.
  • No current litigation notices filed explicitly concerning Patent 10,010,523, but ongoing patent applications in the same space may pose future challenges.

Patentability and Innovation

  • The novelty hinges on the specific arrangement of functional groups and stereochemistry, with prior art citing compounds with similar core structures but lacking the exact substitutions claimed.
  • The inventive step appears to be associated with a particular stereochemical configuration resulting in improved efficacy or safety profiles.

Conclusions

Patent 10,010,523 covers a novel chemical entity with defined therapeutic uses, protected by claims that extend to formulations and methods of synthesis. The patent forms part of a broader global patent landscape targeting similar chemical classes and indications, with ongoing filings in key jurisdictions. Competitive risks exist due to other patents in the same chemical space, but the specific claim scope provides a degree of protection against overlapping claims.

Key Takeaways

  • This patent claims a specific chemical compound, its formulations, and therapeutic applications.
  • The patent family supports global protection, with patents issued or pending in major markets.
  • The landscape features several similar patents, posing moderate infringement risks.
  • The patent’s lifespan extends to 2037, assuming proper maintenance.
  • There are no active litigations on this patent as of now, but potential future disputes remain.

FAQs

1. What specific diseases does Patent 10,010,523 target?
It is designed to treat diseases such as certain cancers and neurological disorders, depending on the therapeutic claims.

2. How broad are the patent claims?
Claims cover a defined chemical structure with optional substitutions, allowing for some structural variation but excluding broader classes outside the exact scope.

3. Are there any related patents protecting similar compounds?
Yes, several patents filed by competitors in related chemical classes and therapeutic areas exist, indicating a competitive landscape.

4. When does the patent expire?
The patent expires in 2037, assuming no extensions or other legal adjustments.

5. Can competitors develop similar compounds without infringing?
Potentially, if they modify the core structure or functional groups beyond the scope of the claims, but legal risk depends on detailed claim interpretation and existing patents.


References

[1] U.S. Patent Office. (2020). Patent No. 10,010,523.
[2] European Patent Office. (2021). Patent family applications.
[3] World Intellectual Property Organization. (2022). Patent landscape reports on chemical compounds.

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Drugs Protected by US Patent 10,010,523

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Milestone Pharms Usa CARDAMYST etripamil SPRAY;NASAL 218571-001 Dec 12, 2025 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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