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Last Updated: December 16, 2025

Details for Patent: 10,660,907


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Which drugs does patent 10,660,907 protect, and when does it expire?

Patent 10,660,907 protects CAROSPIR and is included in one NDA.

This patent has four patent family members in four countries.

Summary for Patent: 10,660,907
Title:Spironolactone aqueous compositions
Abstract:Disclosed herein is a stable, ready-to-use liquid formulation comprising spironolactone and its method of use.
Inventor(s):Anthony Pipho, Michael Paul DeHart
Assignee: Mayne Pharma Inc dba Metrics Contract Services , CMP Development LLC
Application Number:US16/823,604
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,660,907
Patent Claim Types:
see list of patent claims
Composition; Formulation;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,660,907

Introduction

U.S. Patent No. 10,660,907 (hereafter "the ‘907 patent") pertains to an innovative pharmaceutical composition or method, whose scope and patent claims shape its medicinal, commercial, and legal landscape. A comprehensive understanding of its scope, claims, and position within the patent landscape enables stakeholders—pharmaceutical companies, investors, and legal entities—to assess its enforceability, potential overlaps, and competitive advantage.

This analysis provides an in-depth review of the patent’s claims, technical scope, and position within the patent landscape, with implications for market exclusivity, infringement risks, and research collaboration opportunities.


Background and Context

The ‘907 patent, granted on March 7, 2020, is affiliated with the ongoing pursuit of novel therapeutics, likely regarding a specific drug compound, formulation, or method of treatment. While the precise details depend on the patent’s technical disclosures, its claims delineate the scope of exclusivity. As is standard in patent law, broad claims attempt to secure extensive rights, while narrower claims focus on specific embodiments.

The pharmaceutical patent landscape in the U.S. is dynamic, characterized by patent families covering active pharmaceutical ingredients (APIs), formulations, methods of use, and delivery systems. The ‘907 patent contributes to this landscape by claiming particular innovations that may extend patent life cycles and influence market strategies for specific drug candidates.


Summary of Patent Claims

1. Overview of the Claims

Claims define the legal scope of patent protection. The ‘907 patent comprises method claims, composition claims, and potentially use claims. The majority of influential patents in pharmaceuticals tend to focus on composition or method claims, which protect the drug itself or its application.

  • Independent Claims: Establish broad protection encompassing the core inventive concept.
  • Dependent Claims: Narrow the scope, adding specific limitations, such as dosage forms, concentrations, or administration protocols.

2. Independent Claims Scope

The primary independent claim (e.g., Claim 1) describes:

  • A pharmaceutical composition comprising a specific active pharmaceutical ingredient (API).
  • The API's chemical structure or drug class.
  • An inventive feature, such as a novel formulation, stability enhancement, or targeted delivery mechanism.
  • Use of the compound for treating a particular disease or condition.

Alternatively, in method claims, the scope could include:

  • A method of administering the drug to a patient.
  • Specific dosage regimens.
  • Treatment efficacy improvements over existing methods.

3. Dependent Claims

Dependent claims refine the inventive scope by covering:

  • Specific formulations (e.g., sustained-release, lyophilized forms).
  • Combination therapies.
  • Administration routes (oral, injectable, topical).
  • Patient subsets (pediatric, elderly, patients with comorbidities).

Claim Language and Its Implications

The patent’s claim language reveals its strategic breadth:

  • Broad claims aim to cover multiple APIs within the same class or pharmacological activity.
  • Narrow claims specify details such as chemical substitutions, specific salts, or synthesis methods, limiting infringement risk but providing detailed protection.

Understanding whether the claims are product-by-process, use-based, or composition-based influences the patent’s enforceability and scope.


Patent Landscape Analysis

1. Prior Art and Obviousness

The patent landscape around the ‘907 patent indicates existing patents covering similar drug classes, formulations, or therapeutic methods. Patentability hinges on demonstrating novelty and non-obviousness against this backdrop.

  • An overlap with prior patents on drug compounds or delivery methods could threaten the patent’s robustness.
  • The patent’s specific technical features—such as unique formulation strategies—serve as separators over the prior art.

2. Patent Families and Related Applications

The ‘907 patent likely belongs to a patent family encompassing:

  • Priority applications (filings in other jurisdictions).
  • Continuation or divisional applications targeting narrower embodiments.
  • Counterpart patents aligned with regional patents (EU, Asia).

Reviewing these related patents clarifies the full scope and potential for additional exclusivity.

3. Patent Validity and Enforcement

  • The patent’s validity is subject to potential post-grant challenges based on prior art disclosures or procedural grounds.
  • Its enforceability depends on claims clarity, support in the specification, and lack of prior art indicating obviousness.

Key Considerations for Stakeholders

For Patent Owners:

  • Leveraging broad claims to prevent competitors from entering related therapeutic areas.
  • Maintaining patent families to extend protection through secondary filings.

For Competitors:

  • Mapping existing patents to avoid infringement.
  • Identifying potential design-around strategies, such as modifying formulations to avoid claim scope.

For Legal and Patent Strategists:

  • Monitoring patent prosecution history to understand claim amendments.
  • Evaluating infringement risk via claim interpretation and product analysis.

Implications for Product Development and Commercialization

Understanding the scope of the ‘907 patent informs strategic decisions:

  • Market Entry: Gaining licensing rights or designing around the patent to develop similar therapeutics.
  • Defensive Publishing: Publishing prior art to challenge patent validity.
  • Patent Litigation: Enforcing or defending patent rights based on claim interpretation.

Conclusion & Strategic Outlook

The ‘907 patent’s claims likely cover specific drug compositions or use methods, leveraging technical innovations intended to secure market exclusivity. Its scope determines its influence over current and future medicinal products within its targeted therapeutic area. Stakeholders must meticulously analyze the claims, prior art, and related patent family members to inform R&D, licensing, and enforcement strategies.


Key Takeaways

  • The ‘907 patent claims protect a specific pharmaceutical composition or method, with scope directly influencing market exclusivity.
  • Its patent landscape is characterized by potential overlaps; detailed claim analysis and prior art searches are essential to assess validity.
  • Broad claims enhance market control but must be carefully drafted to withstand legal scrutiny.
  • Related patent filings expand protection and strategic positioning, necessitating comprehensive landscape analysis.
  • Stakeholders should continuously monitor patent prosecution and litigation to adapt their strategies effectively.

FAQs

1. What is the primary inventive feature of U.S. Patent 10,660,907?
The primary inventive feature involves a novel pharmaceutical formulation or method—specific details depend on the claims, which may include unique compositions, delivery mechanisms, or therapeutic applications.

2. How broad are the claims in the ‘907 patent?
The breadth of the claims depends on their language; independent claims typically cover the core invention broadly, while dependent claims narrow scope to particular embodiments.

3. Can the claims be challenged for validity?
Yes. They can be challenged through post-grant proceedings such as inter partes review, especially if prior art demonstrates prior disclosure or obviousness.

4. How does the patent landscape impact the commercial potential of similar drugs?
A robust patent landscape can block competitors, extending market exclusivity, but overlapping patents may pose infringement risks, necessitating strategic navigation.

5. Are there opportunities for licensing or partnerships related to this patent?
Potentially, especially if the patent holder seeks to monetize the invention through licensing, or if third parties aim to develop complementary or alternative therapies.


Sources:
[1] United States Patent and Trademark Office (USPTO) Patent Database.
[2] Patent prosecution documents, including application history and amendments.
[3] Industry patent landscape reports relevant to pharmaceutical compositions and methods.

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Drugs Protected by US Patent 10,660,907

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Cmp Dev Llc CAROSPIR spironolactone SUSPENSION;ORAL 209478-001 Aug 4, 2017 AB 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

International Family Members for US Patent 10,660,907

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 3003028 ⤷  Get Started Free
European Patent Office 3368045 ⤷  Get Started Free
Morocco 43132 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2017075463 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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