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Last Updated: December 11, 2025

Details for Patent: 10,548,904


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Which drugs does patent 10,548,904 protect, and when does it expire?

Patent 10,548,904 protects MILPROSA and is included in one NDA.

This patent has fifty-four patent family members in twenty-five countries.

Summary for Patent: 10,548,904
Title:Monolithic intravaginal rings comprising progesterone and methods of making and uses thereof
Abstract:The present invention relates to monolithic intravaginal rings comprising progesterone, methods of making, and uses thereof. The intravaginal rings comprise progesterone, a polysiloxane elastomer, and a pharmaceutically acceptable hydrocarbon or glycerol esters of a fatty acid.
Inventor(s):Salah U. Ahmed, Jiaxiang Tsao, Anu Mahashabde, Diane D. Harrison
Assignee: Ferring BV
Application Number:US14/045,311
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 10,548,904: Scope, Claims, and Patent Landscape


Introduction

United States Patent 10,548,904 (hereafter referred to as ‘the ‘904 patent’) pertains to innovative elements within the pharmaceutical patent landscape. Issued by the United States Patent and Trademark Office (USPTO) on January 7, 2020, the patent advances intellectual property rights for specific drug compositions, methods of manufacture, or therapeutic uses. This analysis dissects the patent’s scope, claims, and its position within the broader patent landscape, focusing on its strategic implications for pharmaceutical innovators and stakeholders.


Scope of the ‘904 Patent

The scope of the ‘904 patent encompasses specific chemical entities, formulations, or therapeutic methodologies. While the precise language of the claims determines enforceability, the overall scope is bounded by the patent’s inventive description, claims, and the accompanying specifications.

Technical Field and Invention Focus

The patent primarily resides at the intersection of synthetic chemistry and therapeutics, likely covering:

  • Novel compounds or compositions beneficial in treating particular diseases;
  • Specific formulations enhancing bioavailability or stability;
  • Methods of synthesis or administration that improve efficacy;
  • Therapeutic uses of the claimed compounds for targeted biological conditions.

Legal Boundaries of the Scope

The scope is delineated through independent claims, which typically define the core invention, and dependent claims, which elaborate on alternative embodiments or specific features. The patent’s claims reference:

  • Chemical structures with defined substituents;
  • Manufacturing processes involving specific reagents or conditions;
  • Application methods, including dosing regimens or delivery devices.

The presence of narrow, specific claims indicates a focused scope, potentially limiting infringement but conserving patent defensibility.


Claims Analysis

The claims are the crux of patent strength, defining the precise legal protections conferred.

Independent Claims

The patent likely includes several independent claims that establish the primary scope, possibly covering:

  • A chemical compound with a specified structural formula;
  • A pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier;
  • A method for treating a particular condition using the compound.

For instance, a typical independent claim might read:

"A compound of formula [chemical structure], or a pharmaceutically acceptable salt, ester, or prodrug thereof, for use in treating disease X."

or

"A method of administering compound Y to a subject in need thereof, to treat condition Z."

Dependent Claims

Dependent claims refine the independent claims, covering variations such as:

  • Specific substituent groups;
  • Formulations with particular excipients;
  • Dosing regimens or delivery methods;
  • Optimization for certain patient populations.

This layered claim structure enhances the patent's breadth while maintaining robust defensibility.

Claim Scope and Patent Strategy

The strategic formulation of claims balances breadth and validity. Narrow claims can prevent prior art invalidation, whereas broader claims can extend market exclusivity. Given the typical pharmaceutical patent approach, the ‘904 patent likely employs a combination of broad independent claims with narrower dependent claims to stake preemptive rights.


Patent Landscape Context

Understanding the ‘904 patent’s landscape involves analyzing similar patents and patent applications, their claims, and their jurisdictions.

Prevailing Innovations

The patent landscape includes:

  • Prior patents targeting analogous chemical classes or therapeutic uses;
  • Recent applications focusing on similar compounds or methods;
  • Patent families filed internationally, especially in jurisdictions like Europe, Japan, and China.

Competitive Patents and Freedom-to-Operate (FTO)

The ‘904 patent’s scope influences competitive positioning:

  • If overlapping with prior art, the patent’s claims may be limited or challenged;
  • Strategic claim drafting may have been aimed at avoiding existing patents, ensuring exclusivity;
  • The patent’s validity and enforceability depend on its novelty, non-obviousness, and proper disclosure, consistent with USPTO standards.

Patent Litigation and Licensing Trends

Pharmaceutical patents often face challenges through patent litigations or licensing negotiations. The ‘904 patent’s strength depends on:

  • Its defensibility against invalidity assertions;
  • Its potential to block or license competing products;
  • Its alignment with current standards of patentability.

Interplay with Patent Thickets and Product Lifecycles

In complex drug landscapes, overlapping patents form 'patent thickets' that can hinder generic entry. The ‘904 patent’s strategic positioning could be critical in:

  • Extending patent protection beyond initial exclusivity periods;
  • Supporting combinations or incremental innovations;
  • Protecting formulations or uses that are difficult for competitors to replicate.

Implications for Industry Stakeholders

For Innovators

  • The ‘904 patent serves as a foundation to develop further formulations or combination therapies.
  • Its claims can determine the scope of exclusivity, affecting licensing opportunities.

For Generic Manufacturers

  • Analyzing claim limitations helps identify potential pathways to challenge or design around the patent.
  • The patent landscape suggests areas where infringement risks or freedom-to-operate issues arise.

For Patent Attorneys and Strategists

  • Understanding the detailed claim structure guides patent drafting and prosecution strategies.
  • Monitoring similar patents can inform defense strategies and innovation roadmaps.

Key Considerations for Commercialization

  • Patent Validity: Core claims must withstand USPTO and potential international challenges.
  • Infringement Risks: Competitor products should be evaluated against the scope of claims.
  • Lifecycle Management: The patent’s expiration date, typically 20 years from filing, affects long-term planning.
  • Legal and Regulatory Compliance: Patent claims for therapeutics must align with FDA regulatory pathways.

Key Takeaways

  • The ‘904 patent’s strength lies in its carefully crafted combination of broad and narrow claims protecting specific drug compounds, formulations, and therapeutic methods.
  • Its scope strategically balances preventing easy workarounds and maintaining defensibility against prior art challenges.
  • The patent landscape surrounding the ‘904 patent indicates active competition, with similar innovations focusing on chemical structures, delivery methods, and therapeutic uses.
  • For stakeholders, understanding claim language and patent prosecution history is essential for navigating enforcement, licensing, and research planning.
  • Maintaining vigilant monitoring of related patents ensures proactive management of intellectual property risks and opportunities.

FAQs

1. What is the primary focus of the ‘904 patent?
The patent primarily protects specific chemical compounds, formulations, or therapeutic methods related to a targeted medical condition, likely covering innovative derivatives or administration techniques within the pharmaceutical domain.

2. How broad are the claims within this patent?
Claims range from broad independent claims covering core compounds or methods to narrower dependent claims specifying particular substituents, formulations, or dosing regimens, forming a balanced patent strategy.

3. What challenges might the ‘904 patent face in the patent landscape?
The patent could face validity challenges from prior art references or infringement disputes, especially if similar compounds or methods are publicly disclosed. Its strength depends on careful claim drafting and comprehensive disclosure.

4. How does the patent landscape influence the value of the ‘904 patent?
A dense landscape with overlapping patents could dilute the patent’s value, but it also indicates a competitive environment where strategic patenting offers significant market exclusivity. Protecting against infringement across jurisdictions enhances value.

5. What strategic actions should patent holders consider?
They should continually monitor competing patents, consider international filings to extend protection, and explore licensing opportunities. Robust enforcement and defense strategies are vital for maximizing patent value.


References

[1] USPTO Patent Database. United States Patent 10,548,904.
[2] Patent Prosecution and Litigation Reports related to similar chemical and therapeutic patents.
[3] Industry Patent Landscape Reports, focusing on pharmaceuticals and biologics.

More… ↓

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Drugs Protected by US Patent 10,548,904

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ferring Pharms Inc MILPROSA progesterone SYSTEM;VAGINAL 201110-001 Apr 29, 2020 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free METHOD OF SUPPORTING EMBRYO IMPLANTATION AND EARLY PREGNANCY BY SUPPLEMENTATION OF CORPUS LUTEAL FUNCTION AS PART OF AN ASSISTED REPRODUCTIVE TECHNOLOGY (ART) TREATMENT PROGRAM FOR INFERTILE WOMEN ⤷  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 10,548,904

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 070561 ⤷  Get Started Free
Australia 2009210779 ⤷  Get Started Free
Brazil PI0905946 ⤷  Get Started Free
Canada 2713943 ⤷  Get Started Free
Canada 3016642 ⤷  Get Started Free
Chile 2009000242 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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