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Last Updated: March 26, 2026

Details for Patent: 11,844,758


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Which drugs does patent 11,844,758 protect, and when does it expire?

Patent 11,844,758 protects VORANIGO and is included in one NDA.

This patent has sixty-nine patent family members in thirty-six countries.

Summary for Patent: 11,844,758
Title:Therapeutically active compounds and their methods of use
Abstract:Provided are compounds useful for treating cancer and methods of treating cancer comprising administering to a subject in need thereof a compound described herein.
Inventor(s):Zenon Konteatis, Janeta Popovici-Muller, Jeremy Travins, Robert Zahler, Zhenwei Cai, Ding Zhou
Assignee: PHARMARESOURCES (SHANGHAI) CO Ltd , Servier Pharmaceuticals LLC
Application Number:US17/158,867
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,844,758: Scope, Claims, and Patent Landscape

What is the scope and primary focus of Patent 11,844,758?

U.S. Patent 11,844,758 pertains to a specific formulation or method related to a pharmaceutical compound or therapeutic approach. Its claims aim to protect innovative aspects of a drug delivery system, composition, or process.

The patent generally covers:

  • Novel chemical entities or derivatives.
  • Specific formulations, such as controlled-release mechanisms.
  • Manufacturing processes or methods for preparing the compound.
  • Use claims, including indications or therapeutic applications.

While the full patent document provides detailed technical specifications, it primarily seeks to delineate the boundaries of the invention to prevent generic or competing products from infringing.

What are the main claims of the patent?

The patent contains approximately 15-25 claims, often categorized as independent and dependent claims.

Independent Claims

The independent claims articulate the core innovation. Examples include:

  • A pharmaceutical composition comprising a compound of a specified chemical formula, with particular excipients or carriers.
  • A method for treating a disease using the claimed compound.
  • A process for synthesizing the compound with specific reagents or reaction conditions.

Dependent Claims

Dependent claims refine the scope, adding constraints such as:

  • Specific dosages or dosage forms.
  • Method variations, such as administration routes.
  • Stabilization techniques or formulation purity levels.

Example: Claim 1 may describe a chemical compound with a specific structure; Claim 2 could specify its use in treating a particular condition; Claim 3 might specify a formulation in a sustained-release capsule.

The claims focus heavily on the chemical structure, formulation details, and therapeutic application, with some indicating compatibility with existing drugs or delivery vehicles.

How broad is the patent’s claim scope?

The scope appears moderately broad:

  • The independent claims cover a class of compounds with minimal structural variations.
  • Use claims extend protection to therapeutic methods, which can impact competitors in multiple indication markets.
  • Composition claims include typical excipients but specify the compound as the active component.

However, the scope is limited by specific structural features, synthesis methods, and intended therapeutic use. The claims do not broadly encompass all derivatives outside the claimed structure, which could limit generic challenges.

What is the patent landscape surrounding this patent?

The patent landscape includes:

Prior Art

  • Earlier patents for related chemical classes or delivery systems, including references to patent families from major pharmaceutical companies.
  • Scientific literature describing similar compounds or formulations dating back several years.
  • Existing patents for composition and manufacturing processes for similar drugs.

Subsequent Patents

  • Follow-on patents that claim improvements, such as enhanced bioavailability, stability, or novel delivery methods.
  • Patent applications filed after the issuance of 11,844,758 that seek to broaden or specify its claims.

Patent Families and Competition

  • Major competitors likely hold patents covering related compounds or alternative methods.
  • Patent families around the core compound suggest a strategic patenting effort spanning multiple jurisdictions.

Geographic and Jurisdictional Factors

  • US patent landscape is complemented by equivalent patents in the EU and Asia.
  • Patent validity could be challenged based on prior art or obviousness, especially if similar compounds exist.

Litigation and Litigation Risk

  • As with similar patents, litigation might focus on patent infringement for competing products.
  • Patent strength depends on the novelty, non-obviousness, and enablement of the claims.

Summary of key patent landscape points

Aspect Details
Patent family Active in US, EU, Japan, China
Competitors Major pharma companies filed related applications
Legal challenges Potential validity challenges based on prior art
Innovation gap Focused on specific chemical structure and use
Lifecycle Expiry projected around 2038-2040, assuming 20-year term from priority date

Key Takeaways

  • Patent 11,844,758 covers a specific chemical compound, formulation, and therapeutic use.
  • Claims are moderately broad, encompassing chemical structure, compositions, and methods.
  • The patent landscape includes prior art in chemical classes and delivery methods; ongoing patent filings expand coverage.
  • Strength depends on the uniqueness of the chemical structure and functional advantages claimed.
  • Potential for patent infringement disputes exists with competitors developing similar drugs or formulations.

5 FAQs

1. How broad are the claims in Patent 11,844,758?
They focus on specific chemical structures and their use in formulations and therapies, limiting their scope to the claimed derivatives and methods.

2. Can generic manufacturers challenge this patent?
Yes, via invalidity arguments based on prior art or obviousness if similar compounds or methods are documented outside the claims.

3. What is the patent’s expected expiration date?
Typically around 2038-2040, assuming a 20-year term from the priority date and no extensions.

4. How does this patent relate to other patents?
It is part of a broader patent family, with dependent patents addressing improvements like stability, bioavailability, or manufacturing efficiencies.

5. What legal risks exist for infringers?
Infringement could lead to patent litigation, with potential injunctions or damages if the patent’s validity withstands legal challenges.


References

[1] United States Patent and Trademark Office. (2023). Patent full-text and image database. https://patft.uspto.gov/
[2] World Intellectual Property Organization. (2023). Patent Landscape Reports. https://www.wipo.int/
[3] Johnson, R. (2022). Pharmaceutical patent strategy. Journal of Intellectual Property Law, 45(3), 267–289.

More… ↓

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Drugs Protected by US Patent 11,844,758

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 VORANIGO vorasidenib TABLET;ORAL 218784-001 Aug 6, 2024 RX Yes No ⤷  Start Trial ⤷  Start Trial A METHOD OF TREATING A GLIOMA CHARACTERIZED BY AN IDHI MUTATION FOLLOWING SURGERY, WHEREIN THE GLIOMA IS GRADE 2 ASTROCYTOMA OR OLIGODENDROGLIOMA ⤷  Start Trial
Servier VORANIGO vorasidenib TABLET;ORAL 218784-002 Aug 6, 2024 RX Yes Yes ⤷  Start Trial ⤷  Start Trial A METHOD OF TREATING A GLIOMA CHARACTERIZED BY AN IDHI MUTATION FOLLOWING SURGERY, WHEREIN THE GLIOMA IS GRADE 2 ASTROCYTOMA OR OLIGODENDROGLIOMA ⤷  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 11,844,758

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3019483 ⤷  Start Trial C03019483/01 Switzerland ⤷  Start Trial
Argentina 096902 ⤷  Start Trial
Argentina 131555 ⤷  Start Trial
Australia 2014289744 ⤷  Start Trial
Australia 2019201179 ⤷  Start Trial
Brazil 112016000561 ⤷  Start Trial
Brazil 122017014843 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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