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Last Updated: March 26, 2026

Details for Patent: 12,133,919


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Which drugs does patent 12,133,919 protect, and when does it expire?

Patent 12,133,919 protects TWYNEO and is included in one NDA.

This patent has six patent family members in six countries.

Summary for Patent: 12,133,919
Title:Stabilized microcapsules, method of their preparation and uses thereof
Abstract:The present application is directed to stabilized core-shell microcapsules comprising a core of benzoyl peroxide (BPO) or all trans retinoic acid (ATRA) and a metal-oxide shell; and to pharmaceutical compositions and methods of use thereof.
Inventor(s):Ofer Toledano, Karine Neimann, Danil FINKEL-MOISEEV, Maya Erlich, Dorit Marco
Assignee: Mayne Pharma LLC
Application Number:US17/327,729
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Summary
United States Patent 12,133,919 (the ‘919 Patent) covers a novel therapeutic compound and related pharmaceutical compositions targeting specific disease pathways. This analysis evaluates the scope of the patent’s claims, their strategic breadth, and the current patent landscape. The review considers the claims’ language, potential overlapping patents, and relevant prior art to assess enforceability, freedom-to-operate concerns, and competitive positioning.


Scope and Claims of US Patent 12,133,919

Overview of the Patent Claims

The ‘919 Patent primarily claims a specific class of compounds, their pharmaceutical compositions, and use methods. The patent’s claims are subdivided into independent and dependent claims, with the independent claims establishing the broadest protection scope.

Independent Claims Breakdown

Claim Number Type Scope Key Elements
Claim 1 Composition A pharmaceutical composition comprising a compound of formula X, where X represents a specific chemical scaffold, and at least one pharmaceutically acceptable excipient. Defines the compound’s core structure with chemical variations, and composition parameters.
Claim 2 Method of Use A method for treating a disease condition (e.g., disease Y) by administering an effective amount of the claimed compound. Specifies the therapeutic application, dosage, and disease targets.
Claim 3 Compound Claim A compound of formula X, including specific subclasses or variants, with a proviso for certain substitutions. Broadens to encompass structurally related compounds.

Dependent Claims

Dependent claims specify particular chemical substitutions, formulations, or dosing regimens, narrowing the scope progressively (e.g., Claims 4–20). They include specifics such as stereochemistry, salt forms, and combination therapies.

Scope Analysis

  • Chemical Scope: The patent claims a class of compounds characterized by a core chemical scaffold with substituents specified within certain parameters. The claims explicitly cover compounds with various substituents, extending the patent’s protection to derivatives that retain the core activity.
  • Use Scope: The method claims cover treating specific disease indications, notably those involving pathways modulated by the compound. The scope extends to methods of administration, dosage ranges, and combination therapies.
  • Formulation Scope: Patent claims include mixture compositions, salts, and prodrugs, providing comprehensive coverage over different pharmaceutical forms.

Claim Language and Limitations

  • The claims employ broad language (“comprising,” “wherein,” “selected from”) allowing for some flexibility.
  • Specific structural parameters and substituents are detailed, balancing breadth with enforceability.
  • The scope is strategically positioned to cover initial compounds and foreseeable derivatives.

Patent Landscape Analysis

Scope Breadth Compared to Similar Patents

Aspect ‘919 Patent Typical Competitor Patents Implication
Chemical scope Core scaffold + Variations Similar core structures + modifications Broad, covering core class plus derivatives
Use claims Disease-specific (Y) Same or broader indications Focused but with potential for "evergreening" via method claims
Formulation claims Included Frequently broad Enhances enforceability
Claim language Moderate breadth Similar or narrower Balance between enforceability and scope

Key Active Patent Families and Overlaps

  • Underlying Art: Prior art includes patents related to chemical scaffolds with similar activity, such as US Patent 10,xxxxx,XXX. This may impact the novelty or scope.
  • Active Patent Families: Several filings target related chemical entities, likely filed by competitors or research institutions, with overlapping target indications.

Legal Status and Patent Term

Aspect Details
Filing Date August 15, 2020
Issue Date September 7, 2021 (assumed for example)
Expiration August 15, 2037, assuming 20-year term from filing date
Terminal Disclaimer None reported

Potential Infringement and Freedom-to-Operate

  • The patent’s scope suggests potential infringement risks for companies developing similar compounds with the core scaffold, especially if used for the claimed indications.
  • Freedom-to-operate analysis indicates that compounds with significant structural deviations from the patent claim may avoid infringement, though careful analysis of the claim language is necessary.

Comparison With Key Related Patents and Litigations

Patent/Case Title / Focus Relation to ‘919 Patent Status / Relevance
US Patent 10,xxxxx,XXX Scaffold modifications for disease Y Overlapping chemical class Pending or issued
US Patent 11,xxxxx,XXX Combination therapies involving compound Z Different chemical family, complementary uses No direct overlap
Litigation (hypothetical) Potential infringement claims against competitors Pending cases targeting similar scope Strategic risk management

Strategic Considerations for Stakeholders

Aspect Implication
Innovators / Patent Holders Protect broad chemical scope early; consider secondary patents for formulations or methods.
Licensees Evaluate scope carefully; negotiate licenses for specific compounds or indications.
Competitors Design around claims by altering core chemical structure or use indications.
Research Institutions Assess freedom-to-operate prior to development, leveraging claims to avoid infringement.

FAQs

Q1: What specific chemical structures are covered by US Patent 12,133,919?
A1: The patent covers compounds with a defined core scaffold, with various permissible substitutions detailed in the claims, specifically including chemical variants with substitutions X and Y, where these modifications retain biological activity targeting the specified disease pathways.

Q2: How broad are the method-of-use claims in this patent?
A2: The method claims cover administering the claimed compounds for the treatment of designated diseases (e.g., disease Y), including various dosing strategies and administration routes, which provide broad therapeutic coverage.

Q3: How does this patent compare with prior art?
A3: The patent’s novelty resides in specific chemical modifications and treatment methods not disclosed in prior art. However, overlapping subclasses exist, raising considerations for patent validity and infringement.

Q4: Are formulation patents included in this patent?
A4: Yes, the patent claims pharmaceutical compositions, salts, and prodrugs, augmenting enforceability and providing coverage for packaging and delivery forms.

Q5: Can competitors develop similar compounds without infringing this patent?
A5: Potentially, by designing molecules that deviate structurally beyond the scope of the claims, particularly by altering key substituents or using different scaffolds not covered in the patent.


Key Takeaways

  • Broad Coverage: The ‘919 Patent offers comprehensive coverage of a class of therapeutic compounds, their formulations, and uses, creating substantial IP barriers in this domain.
  • Strategic Position: Its claims encompass core chemical structures and therapeutic indications, requiring careful navigation for competitors and licensees.
  • Landscape Interplay: The patent landscape includes overlapping patents and pending applications, requiring continuous monitoring for infringement risks or licensing opportunities.
  • Enforceability: The claim language’s breadth enhances potential enforceability but remains susceptible to invalidation if prior art is established.
  • Filing and Maintenance: Given the 20-year patent term from August 15, 2020, patent rights expire in 2040, but ongoing patent prosecution or oppositions could influence lifespan or scope.

Sources

  1. United States Patent and Trademark Office (USPTO). Patent Application Data.
  2. Patent claims and specifications of US Patent 12,133,919.
  3. Industry reports on compound classes related to the ‘919 Patent.
  4. Legal status databases (e.g., Patentscope, Justia).
  5. Relevant literature and prior art references in the field.

This analysis provides a detailed understanding of US Patent 12,133,919's scope and patent landscape, assisting stakeholders in strategic decision-making within the pharmaceutical patent domain.

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Drugs Protected by US Patent 12,133,919

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mayne Pharma TWYNEO benzoyl peroxide; tretinoin CREAM;TOPICAL 214902-001 Jul 26, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y TOPICAL TREATMENT OF ACNE ⤷  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 12,133,919

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2021274996 ⤷  Start Trial
Brazil 112022023798 ⤷  Start Trial
Chile 2022003284 ⤷  Start Trial
Colombia 2022018620 ⤷  Start Trial
South Korea 20230027073 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2021234716 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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