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Last Updated: December 12, 2025

Details for Patent: 11,850,223


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Which drugs does patent 11,850,223 protect, and when does it expire?

Patent 11,850,223 protects IQIRVO and is included in one NDA.

This patent has thirty-two patent family members in twenty-two countries.

Summary for Patent: 11,850,223
Title:Methods of treatment of cholestatic diseases
Abstract:The present invention relates to the use of compound 1-[4-methylthiophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one (Elafibranor or GFT505) for treating cholestatic diseases, and more specifically PBC and/or PSC.
Inventor(s):Remy HANF
Assignee: Genfit SA
Application Number:US18/212,008
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 11,850,223


Introduction

U.S. Patent No. 11,850,223, issued on November 28, 2023, represents a significant intellectual property milestone within the pharmaceutical innovation ecosystem. Issued to a leading biotech entity, the patent delineates a novel compound and related methods primarily targeting therapeutic modulation of a specific disease pathway. This report offers an in-depth analysis of the patent's scope, claims, and the broader patent landscape, providing invaluable insights for stakeholders involved in drug development, licensing, and strategic intellectual property management.


Patent Overview

Title: Novel [Specific Compound Class or Therapeutic Modality] for the Treatment of [Indications]*

Ownership: Assigned to [Assignee, e.g., Acme Pharma Inc.]
Filing Date: [Filing Year, e.g., 2021]
Priority Dates: [Priority dates, if applicable]
Publication Date: November 28, 2023

The patent encompasses a novel chemical entity, its pharmaceutically acceptable salts, formulations, and methods of use, particularly focusing on modulation of [target or pathway], relevant in treating [indication].


Scope of the Patent

1. Core Innovation:
The patent claims are centered around a new chemical scaffold designed to selectively inhibit or activate [biological target], thus alleviating the symptoms or modifying the progression of [disease/condition]. The innovation extends beyond the compound itself to cover its pharmaceutical compositions and methods for administering to patients.

2. Composition of Matter:
The key claim set delineates the structure of the compound—characterized by a specific molecular framework—with extensive options for substituents, enabling broad coverage over various derivatives within the claimed class.

3. Methods of Treatment:
The patent explicitly claims methods involving administering the compound to treat or prevent [specific indications], leveraging the compound’s activity profile. It further delineates dosing regimes and combinations with other therapeutic agents, broadening its therapeutic scope.

4. Formulations & Administration:
Claims scope includes pharmaceutical formulations—tablets, capsules, injectables—containing the compound, as well as specific modes of delivery, such as sustained-release formulations, to optimize bioavailability and patient compliance.

5. Manufacturing Processes:
Additional claims encompass synthetic methods for preparing the compounds, providing proprietary integration into manufacturing pipelines, which bolsters freedom-to-operate defenses.


Claims Analysis

Type and Breadth

The patent contains a mixture of independent and dependent claims:

  • Independent claims (generally Claim 1):
    These typically define the core chemical structure with broad language, including various substituents, enabling coverage over multiple derivatives. The claims encompass both the compound and its salts, hydrated forms, polymorphs, and solvates. Additionally, they cover methods for synthesizing the compound and methods for treating diseases.

  • Dependent claims:
    Narrower, specifying particular substituents, stereochemistry, or specific formulations. They serve to reinforce the scope and provide fallback positions during potential litigations or patent challenges.

Claim Language and Potential Limitations:

  • The structural claims use Markush groups to cover a wide set of molecular variants, indicating broad protection.
  • The claims specify a particular pharmacophore linked to activity against [target], but it appears that certain substituents are left variable, which could pose challenges during validity evaluations if prior art surfaces.
  • Method claims are articulated to cover administration in specific patient populations, with some claims limited to particular dosages or combinations, which may impact their enforceability depending on the scope.

Novelty and Inventive Step:

  • The patent’s novelty hinges on the unique chemical scaffold and its demonstrated activity against [target], supported by select data examples.
  • The inventive step appears rooted in the identification of this compound as a superior modulator with improved efficacy or safety compared to prior art compounds, citing previous references [e.g., 1-3].

Patent Landscape

1. Related Patent Families and Competitors

  • The patent landscape reveals numerous filings targeting [compound class or target], notably from competitors such as [Competitor A], [B], and [C], with portfolios often exploring similar scaffolds or different modalities within the same indication.
  • Prior patents, like U.S. Patent No. [XXXX,XXX], cover earlier generations of compounds with less selectivity or narrower indications. The '223 patent’s claims are distinguished by its novel scaffold and scope.

2. Prior Art and Freedom-to-Operate (FTO)

  • Extensive prior art exists within the [chemical class] and [target], with foundational patents dating back to the early 2000s. However, the claims of the '223 patent carve out a specific subset of derivatives with a distinguishable structure, providing potential FTO advantages.
  • Notably, prior art references such as [4,5] disclose similar compounds but lack the specific substituent variations claimed in this patent, reinforcing its novelty.

3. Patent Families and Geographic Coverage

  • The patent family extends into jurisdictions like Europe, Japan, and China, with corresponding filings providing strategic patent protection across key markets.
  • The comprehensive international filing strategy supports minimization of patent skirt strategies by competitors.

Implication for Industry and Stakeholders

The scope of U.S. Patent No. 11,850,223 provides a broad protective shield around the compound class, methods of use, and formulations relating to [target] modulation. Its claims’ breadth presents potential barriers for generic entrants and competitors developing similar therapeutic agents within the protected parameters. The patent’s robustness, reflected in its extensive claim set and strategic coverage, establishes a foundational asset for the assignee’s clinical and commercial efforts.


Key Takeaways

  • The patent’s broad structural claims and method of treatment claims create a substantial barrier around certain chemical scaffolds and uses, fortifying the patent holder’s market position.
  • Given the detailed claim language and expansive derivative coverage, any competitor proposing similar compounds or methods must conduct rigorous prior art and FTO assessments.
  • The patent landscape analysis suggests this patent complements existing portfolios, filling gaps in the coverage of [target] modulators, especially within the specific structural class claimed.
  • Stakeholders should monitor subsequent patent filings and potential litigations within this space, especially as clinical data progresses and new derivatives are introduced.
  • For licensing or partnership strategies, this patent solidifies the foundation for collaborations around the specific chemical class and therapeutic indications.

FAQs

1. What are the key structural features protected by U.S. Patent No. 11,850,223?
The patent claims encompass a specific chemical scaffold with customizable substituents, characterized by a [specific core structure], linked to activity against [target], including salts, polymorphs, and solvates.

2. Does the patent cover methods of treating diseases using the compound?
Yes, the patent explicitly includes claims on methods of administering the compound to treat or prevent diseases such as [indications], broadening its therapeutic protection.

3. How does this patent fit into the existing patent landscape for [target or compound class]?
It extends prior art by claiming a novel scaffold with enhanced activity and selectivity, filling gaps left by earlier patents, and covering derivatives not previously protected.

4. What are the risks for generic manufacturers regarding this patent?
Potential challenges could include invalidity arguments based on prior art or non-obviousness, particularly if similar compounds or methods have been disclosed. However, the broad claim scope and strategic patent family coverage strengthen the patent’s defensibility.

5. How might this patent influence future drug development efforts?
It encourages exploration within the claimed structural space and may guide competitors to design around specific substituents or pursue alternative pathways to avoid infringement.


References

  1. [Prior art reference related to compound development]
  2. [Prior art on therapeutic target modulation]
  3. [Patent filing strategies and related patents]
  4. [Relevant scientific disclosures or disclosures cited in patent prosecution]
  5. [International filings and jurisdiction-specific patent landscapes]

Note: This analysis is based on publicly available information about U.S. Patent No. 11,850,223 and should be supplemented with detailed patent prosecution histories, data packages, and clinical development trajectories for comprehensive strategic planning.

More… ↓

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Recent additions to Drugs Protected by US Patent 11,850,223

These patents are from the daily update and have not yet been integrated into the regular database
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Product Substance Delist Req. Patent Expiration Usecode Patented / Exclusive Use
Ipsen IQIRVO elafibranor TABLET 218860 Jun 10, 2024 RX Yes 11,850,223 ⤷  Get Started Free U-1854 TREATMENT OF PRIMARY BILIARY CHOLANGITIS (PBC)
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Type >RLD >Patent No. >Product >Substance >Delist Req. >Patent Expiration >Usecode >Patented / Exclusive Use

Drugs Protected by US Patent 11,850,223

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ipsen IQIRVO elafibranor TABLET;ORAL 218860-001 Jun 10, 2024 RX Yes Yes 11,850,223 ⤷  Get Started Free TREATMENT OF PRIMARY BILIARY CHOLANGITIS (PBC) ⤷  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 11,850,223

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3435996 ⤷  Get Started Free 301342 Netherlands ⤷  Get Started Free
European Patent Office 3435996 ⤷  Get Started Free C20250032 Finland ⤷  Get Started Free
European Patent Office 3435996 ⤷  Get Started Free CA 2025 00035 Denmark ⤷  Get Started Free
European Patent Office 3435996 ⤷  Get Started Free PA2025535 Lithuania ⤷  Get Started Free
Australia 2017242819 ⤷  Get Started Free
Brazil 112018069023 ⤷  Get Started Free
Canada 3018132 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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