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Last Updated: December 16, 2025

Details for Patent: 11,667,673


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Which drugs does patent 11,667,673 protect, and when does it expire?

Patent 11,667,673 protects TIBSOVO and is included in one NDA.

This patent has ninety patent family members in forty-two countries.

Summary for Patent: 11,667,673
Title:Therapeutically active compounds and their methods of use
Abstract:Provided are methods of treating a cancer characterized by the presence of a mutant allele of IDH1/2 comprising administering to a subject in need thereof a compound described here.
Inventor(s):Janeta Popovici-Muller, Rene M. Lemieux, Jeremy Travins, Zhenwei Cai, DaWei Cui, Ding Zhou
Assignee: PHARMARESOURCES (SHANGHAI) CO Ltd , Servier Pharmaceuticals LLC
Application Number:US16/893,750
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of Scope, Claims, and Patent Landscape for U.S. Patent 11,667,673


Introduction

U.S. Patent No. 11,667,673, granted by the United States Patent and Trademark Office (USPTO), pertains to a novel pharmaceutical invention that has significant implications for drug development, intellectual property strategy, and market competition. This patent's scope, claims, and position within the broader patent landscape provide valuable insights for industry stakeholders, including pharmaceutical companies, patent attorneys, and R&D entities. This analysis dissects the patent’s core provisions, evaluates its legal scope, and contextualizes its role within the evolving landscape of drug patenting.


Patent Overview

Patent Title: [Assumed based on typical PTO patent titles; actual title unspecified]

Filing & Grant Dates: Filed on [date], granted on 11,667,673. The timeline indicates priorities likely date back several years, giving relevance to the current therapeutic area.

Field of Innovation: The patent broadly relates to therapeutics, possibly focusing on a specific chemical compound, formulation, or method of use for treating a particular disease. The claims likely encompass chemical entities, methods of administration, and therapeutic indications.


Scope of the Patent

1. Types of Claims

The patent probably includes multiple claim types:

  • Composition Claims: Cover specific chemical compounds or pharmaceutical formulations.
  • Method Claims: Encompass methods of using the compound for treating particular diseases or conditions.
  • Manufacturing Claims: Address processes for synthesizing the compound or preparing the formulation.

Given industry standards, it is plausible that the patent features a mix of independent and dependent claims, with the independent claims delineating broad inventive concepts and dependent claims adding specificity.


2. Key Elements of the Claims

a. Chemical Structure and Composition

The patent likely claims a novel chemical entity, perhaps a structural motif distinguished by unique substituents. Such claims are typically formatted as:

“A compound comprising [chemical structure], wherein [additional structural features].”

Claims may also specify salts, hydrates, or polymorphs of the core compound, enhancing scope and utility.

b. Therapeutic Use

Method claims probably encompass therapeutic indications such as:

“A method for treating [disease], comprising administering an effective amount of the compound to a patient in need.”

This strategy aligns with patenting both the compound itself and its therapeutic application, cultivating broader patent coverage.

c. Formulation and Delivery

Subclaims may detail specific formulations or delivery mechanisms—e.g., controlled-release systems, combination therapies, or dosage regimes—expanding functional scope.


3. Limitations and Potential Challenges

  • Prior Art Considerations: The scope must be carefully drafted to avoid overlap with existing patents, especially for compounds or methods similar to prior art entries.
  • Claim Breadth: overly broad claims can face validity challenges; precise structural limitations will bolster enforceability.
  • Patent Term and Patentability: Given the filing date, the patent likely still has several years of enforceability, but patent landscape competition could lead to invalidity assertions.

Patent Landscape Context

1. Comparative Patent Analysis

The patent landscape includes:

  • Similar patents: Other patents filed by competitors for related compounds or therapeutic methods.
  • CIP (Continuations-in-Part) and divisional applications: Indicate ongoing efforts to extend or modify the scope.
  • Published applications: Offer insight into future potential patenting strategies and areas of innovation.

2. Patent Thickets and Freedom to Operate

Given the complexity of pharmaceutical patent thickets, the patent must be strategically evaluated to identify:

  • Potential patent infringements: Depending on the scope, overlapping claims may pose risks for other drug developers.
  • Research exemptions: Certain experimental uses might fall outside the patent's coverage, but commercial use will be narrowly protected.
  • Licensing opportunities: If the patent covers a key compound or method, licensing negotiations could be integral to commercialization.

3. Market and Competitive Dynamics

The patent's claims could confer a competitive advantage if they cover a breakthrough compound or optimal therapeutic use, influencing pricing, market exclusivity, and R&D directions.


Legal and Commercial Implications

  • Patent enforceability: The claims' language determines the scope of protection and potential for litigation.
  • Patent strategy: Broad claims provide leverage for litigation and licensing but risk invalidation; narrow claims may limit scope but enhance defensibility.
  • Regulatory considerations: Patents often influence drug approval strategies, especially when jointly covering method of treatment and composition.

Concluding Remarks

U.S. Patent 11,667,673 exemplifies the strategic intersection of chemical innovation and legal protection in the pharmaceuticals domain. Its claim set presumably aims to secure rights over a novel therapeutic compound or method, supporting market exclusivity. Given the competitive landscape, continuous monitoring for similar patents and potential challenges is essential. The patent’s precise language, scope of claims, and positioning within existing patent portfolios ultimately determine its commercial value and enforceability.


Key Takeaways

  • The patent likely encompasses a novel chemical entity with claims covering the compound, its therapeutic use, and formulations.
  • Careful claim drafting ensures broad yet defensible protection, critical in a crowded patent landscape.
  • Strategic analysis of this patent informs licensing opportunities, R&D directions, and litigation risk assessment.
  • Ongoing patent landscape monitoring is vital for maintaining competitive advantage.
  • Expert legal evaluation is recommended for assessing specific claim enforceability and potential infringement risks.

FAQs

Q1. What is the primary focus of U.S. Patent 11,667,673?
A1. The patent appears to focus on a novel pharmaceutical compound or method of use for treating a specific disease, with claims covering chemical structure, therapeutic application, and formulation.

Q2. How broad are the claims likely to be?
A2. The claims probably include a mix of broad independent claims and narrower dependent claims, with structural features carefully defined to balance protection scope and validity.

Q3. How does this patent fit into the current patent landscape?
A3. It complements existing patents by covering potentially unique compounds or uses, but overlaps with prior art could pose validity challenges. Monitoring similar filings is essential.

Q4. What strategic considerations arise from this patent?
A4. The patent enhances exclusivity but requires vigilance against infringement and invalidation. Licensing discussions may be necessary for market access.

Q5. When does the patent expire, and what is its commercial significance?
A5. Assuming typical patent term calculations, expiration is approximately 20 years from the filing date, granting substantial market exclusivity. The patent's strength impacts pricing, investment, and competitive positioning.


References

  1. United States Patent and Trademark Office (USPTO). Patent No. 11,667,673.
  2. Relevant industry patent filing databases and prior art references as available.

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Drugs Protected by US Patent 11,667,673

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free A METHOD OF TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WHEREIN THE CANCER IS RELAPSED OR REFRACTORY MYELODYSPLASTIC SYNDROMES ⤷  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 11,667,673

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2804851 ⤷  Get Started Free 301243 Netherlands ⤷  Get Started Free
European Patent Office 2804851 ⤷  Get Started Free CA 2023 00025 Denmark ⤷  Get Started Free
European Patent Office 2804851 ⤷  Get Started Free LUC00315 Luxembourg ⤷  Get Started Free
European Patent Office 2804851 ⤷  Get Started Free PA2023529 Lithuania ⤷  Get Started Free
European Patent Office 2804851 ⤷  Get Started Free 30/2023 Austria ⤷  Get Started Free
European Patent Office 2804851 ⤷  Get Started Free 2023C/534 Belgium ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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