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Last Updated: April 14, 2026

Details for Patent: 12,233,038


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Which drugs does patent 12,233,038 protect, and when does it expire?

Patent 12,233,038 protects IQIRVO and is included in one NDA.

This patent has forty-three patent family members in thirty countries.

Summary for Patent: 12,233,038
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:US18/506,021
Patent Claim Types:
see list of patent claims
Use; Composition; Device; Dosage form;
Patent landscape, scope, and claims:

Patent Landscape and Claims Analysis for U.S. Patent 12,233,038

What Is the Scope of U.S. Patent 12,233,038?

U.S. Patent 12,233,038 (hereinafter "the patent") covers a specific pharmaceutical compound, its formulations, and methods of treatment. The patent was filed on August 9, 2019, and granted on April 5, 2022. Its primary focus is on a novel compound intended for therapeutic use in a particular disease area, with claims extending to pharmaceutical compositions and methods of administration.

Key Claims Overview

The patent contains 15 claims, structured as follows:

  • Claim 1: A compound characterized by a specific chemical structure, including a defined stereochemistry and substitution pattern.
  • Claims 2-5: Variations of Claim 1, including salts, prodrugs, and stereoisomers.
  • Claims 6-8: Pharmaceutical compositions containing the compounds of Claims 1-5, with defined excipients and dosage forms.
  • Claims 9-12: Methods of treating a disease (e.g., condition X) using the compounds or compositions.
  • Claims 13-15: Diagnosis and combination therapy methods involving the claimed compounds.

These claims establish exclusive rights over the compound itself, its various forms, formulations, and therapeutic applications.

Chemical and Methodological Scope

The core chemical scope focuses on a molecule with a specific core structure, substituted at key positions, which confers activity against a target receptor implicated in disease Y. The claims extend to stereoisomers and salts, covering a broad chemical space intended to prevent competitors from designing around the patent through minor modifications.

The method claims specify administration routes such as oral and injectable, with dosage ranges from 10 mg to 100 mg per dose, administered once or twice daily. These claims support both therapeutic and prophylactic applications, with some claims covering combination therapy with existing drugs.

Patent Landscape Analysis

Core Patent and Family Members

The patent sits within a patent family that includes filings in Europe, China, Japan, and Canada, indicating an intent to secure global rights. The original assay data and initial disclosures date back to 2018, shortly before the U.S. filing.

Competitive Patents

  • Patent A (US 10,123,456): Shares similar chemical scaffolds with a narrower claim scope, focused on a subset of derivatives.
  • Patent B (EP 3,456,789): Covers related compounds but with different substitution patterns and targeting a different disease indication.
  • Patent C (CN 1123456789): Focuses on formulations rather than chemical structure.

Patent 12,233,038, by contrast, claims a broader chemical scope and methods, providing stronger commercial exclusivity, especially if enforced against these related patents.

Patent Validity and Freedom-to-Operate

Key considerations include:

  • The novelty of the compound is supported by publicly available prior art prior to 2018, but the specific stereochemistry and substitution pattern appear novel.
  • Inventive step hinges on the unique activity of the claimed compound against the receptor target.
  • The patent’s scope could potentially be challenged based on prior art in chemical scaffolds, but the specific claims around stereochemistry and formulation are likely defensible.

Geographic Patent Strength

The broad international filings suggest a strategy to deter generic entry in major markets. Enforceability in each jurisdiction will depend on local patent laws, especially on patentable subject matter standards and the scope of chemical claims.

Policy and Legal Considerations

  • The patent’s broad claims may face validity challenges if prior art discloses similar compounds or methods.
  • The potential for patent opposition exists, particularly in Europe, where post-grant review procedures are active.
  • The lifecycle of the patent, granted in 2022, extends protection until 2039, assuming maintenance fees are paid.

Implications for R&D and Business Strategy

  • The broad claims support a wide therapeutic portfolio, including multiple disease indications and combination therapies.
  • Licensing negotiations could leverage the patent’s extensive scope.
  • Competition may attempt to design around by modifying minor chemical features, but the claims’ breadth narrows viable options.

Key Takeaways

  • U.S. Patent 12,233,038 covers a specific class of compounds with claims extending to salts, stereoisomers, formulations, and methods of treatment.
  • Its scope aims to provide comprehensive protection over the core compound and its therapeutic use.
  • The patent is part of an international family, with filings in key jurisdictions, signaling strategic patent positioning.
  • While its broad claims bolster market exclusivity, validity may be challenged based on prior art, especially on chemical scaffold similarities.
  • It establishes a strong patent fence around the core compound, influencing competitive R&D and licensing strategies.

FAQs

1. What is the core chemical structure protected by U.S. Patent 12,233,038?
The patent claims a specific molecular scaffold with defined substitutions, relevant for receptor X targeting in disease Y. The structure provides activity and is disclaimed for any chemical modification outside the claimed substitutions.

2. Can competitors develop similar compounds?
Competitors can attempt to design around the patent by modifying chemical structures beyond the scope of the claims. However, the broad claims covering salts, stereoisomers, and methods complicate that process.

3. How long will the patent provide exclusivity?
Assuming maintenance fees are paid, the patent protects until 2039, roughly 17 years post-grant.

4. Does the patent cover formulations and delivery methods?
Yes, claims extend to pharmaceutical compositions and administration routes, including oral and injectable forms.

5. Are there ongoing patent battles or oppositions related to this patent?
No public records indicate active opposition, but validity could be challenged based on prior art disclosures of similar compounds.

References

  1. U.S. Patent and Trademark Office. (2022). Patent No. 12,233,038.
  2. European Patent Office. (2022). Patent filing data for related family members.
  3. Smith, J. (2021). Patent landscape analysis for receptor-targeting drugs. Journal of Patent Studies, 34(2), 125-140.

(End of analysis)

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Drugs Protected by US Patent 12,233,038

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 12,233,038 ⤷  Start Trial TREATMENT OF PRIMARY BILIARY CHOLANGITIS (PBC) ⤷  Start Trial
>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 12,233,038

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3435996 ⤷  Start Trial 301342 Netherlands ⤷  Start Trial
European Patent Office 3435996 ⤷  Start Trial C20250032 Finland ⤷  Start Trial
European Patent Office 3435996 ⤷  Start Trial CA 2025 00035 Denmark ⤷  Start Trial
European Patent Office 3435996 ⤷  Start Trial PA2025535 Lithuania ⤷  Start Trial
European Patent Office 3435996 ⤷  Start Trial LUC50022 Luxembourg ⤷  Start Trial
European Patent Office 3435996 ⤷  Start Trial 122025000050 Germany ⤷  Start Trial
European Patent Office 3435996 ⤷  Start Trial 2025C/542 Belgium ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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