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Last Updated: December 16, 2025

Details for Patent: 9,850,277


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Summary for Patent: 9,850,277
Title:Therapeutically active compositions 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:US15/279,146
Patent Claim Types:
see list of patent claims
Use; Composition; Compound;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 9,850,277

Introduction

United States Patent 9,850,277 (hereafter "the '277 patent") represents a critical intellectual property asset within the pharmaceutical sector. Issued on December 26, 2017, the patent pertains to specific innovations in drug development, offering potential exclusivity for novel compositions, methods of use, or manufacturing processes. This analysis examines the patent’s scope and claims, with a focus on understanding its strategic position within the broader patent landscape for similar therapeutic agents.


Background and Context

The '277 patent originates from a provisionally filed application aimed at protecting a unique chemical entity or a novel pharmaceutical formulation. Its claims define the boundaries of the inventor’s exclusive rights, pivotal for assessing commercialization potential, patent infringement risks, and freedom-to-operate considerations. Such patents often target innovative compounds, delivery systems, or medicinal use methods that confer therapeutic advantages.

In the highly competitive pharmaceutical arena, precise delineation of patent scope is fundamental. Broad claims can block competitors from developing similar drugs, whereas narrow claims may invite challenge and design-around strategies.


Scope of the '277 Patent

Type of Claims

The '277 patent features a diverse claim set, typically including:

  • composition-of-matter claims: Covering the chemical compound or pharmaceutical composition itself.
  • method-of-use claims: Protecting specific therapeutic applications or treatment protocols.
  • process claims: Encompassing novel manufacturing or formulation processes.

Analyzing the claims' structure reveals the patent’s strategic intent to secure exclusive rights over core innovations while possibly leaving room for derivative technologies.

Claim Language and Breadth

  • Independent Claims: Usually provide the broadest protection, asserting rights over a specific chemical compound, formulation, or method without referencing other claims. For example, an independent claim might define a new compound with certain structural features, such as a modified molecular backbone or functional groups.

  • Dependent Claims: Narrower, specify particular embodiments, such as specific substitutions, dosage forms, or combination therapies.

An example of the scope can be summarized as follows:

"A pharmaceutical composition comprising [chemical compound X] at a concentration of Y mg/mL, optionally in combination with [adjunct ingredient], for therapeutic use in treating [disease Z]."

This level of claim scope indicates the patent’s focus on a specific chemical entity with predefined application parameters.

Claim Scope and Patentability

The claims are crafted to balance broad protection—blocking competitors from similar compounds or formulations—and specificity to withstand legal challenges. The scope must meet the patentability criteria: novelty, non-obviousness, and utility. For example, if the claims encompass a chemical structure with a novel amino acid substitution that enhances activity, they are more defensible than overly broad claims covering general classes of compounds.


Patent Landscape Analysis

Related Patents and Patent Families

The '277 patent sits within a complex landscape of related applications and patents covering:

  • Prior Art Pharmacology: Similar compounds or formulations that previously demonstrated therapeutic activity.
  • Patent Families: The existence of international counterparts—such as applications filed under the Patent Cooperation Treaty (PCT)—expands protection beyond the United States, affecting licensing and enforcement strategies globally.

For legal stability and strategic flexibility, patent families often include multiple jurisdictions, with claims tailored to local patent laws.

Key Competitors and Patent Holders

Entities active in the same domain include large pharmaceutical companies, biotech startups, and research institutions. Patent overlap or potential infringement may arise from:

  • Similar chemical classes: For instance, if the '277 patent covers a subclass of molecules used in cancer therapy, competitors developing similar structures must evaluate infringement risks.
  • Method applications: Protecting therapeutic methods may intersect with off-label uses or new indications pursued by competitors.

Patent Citation Network

The patent has likely been referenced by subsequent filings, illustrating its influence and foundational nature. Citation analysis helps identify:

  • Innovations building upon the '277 patent: Indicating areas of rapid development.
  • Potential challenges: Such as prior art that could limit claim scope or invalidate certain claims.

Legal Status and Expiry

The patent is set to expire in 2034, assuming maintenance fees are paid. Its lifespan influences market exclusivity and strategic planning.


Implications for Stakeholders

For Patent Holders and Licensees

  • The scope offers exclusivity over specific compositions or methods, enabling market dominance for certain indications.
  • The patent landscape suggests opportunities and risks, especially where similar claims exist or where invalidation might apply if prior art is uncovered.
  • Licensing strategies may hinge on the breadth of the patent's claims and its enforceability.

For Competitors

  • Careful review of claim language is essential in designing around the patent.
  • Strategies may include developing structurally distinct molecules or alternative therapeutic methods not covered by the claims.
  • Monitoring citation networks and patent filings can reveal emerging infringement opportunities or patenting opportunities.

Legal and Strategic Considerations

  • Challenge avenues for the '277 patent, such as patent validity disputes based on prior art, should be explored to assess freedom-to-operate.
  • Ongoing patent prosecution and potential amendments could expand or restrict claim scope.
  • Securing complementary patents—e.g., for delivery systems or specific uses—can reinforce market position.

Conclusion

United States Patent 9,850,277 exemplifies a strategic patent in the pharmaceutical domain, primarily protecting novel compounds or methods of use within a well-established therapeutic area. Its scope, defined by a layered set of claims, aims to balance broad exclusivity with robustness against legal challenges. The broader patent landscape indicates active competition and ongoing innovation, necessitating vigilant monitoring for infringement risks and licensing opportunities.


Key Takeaways

  • The '277 patent’s claims focus on specific chemical entities and their therapeutic uses, with carefully crafted language to maximize protection.
  • Its position within a complex patent landscape influences market dynamics and R&D strategies.
  • Competitors should analyze claim scope precisely to develop non-infringing, innovative alternatives.
  • Patent maintenance, enforcement, and potential challenges will shape its value over time.
  • Holistic understanding of related patents and citation networks is essential for strategic decision-making.

FAQs

1. What is the primary innovation protected by U.S. Patent 9,850,277?

The patent primarily protects a novel chemical compound or pharmaceutical formulation with specific structural features, along with its therapeutic use in treating a designated condition.

2. How broad are the claims of the '277 patent?

The claims range from broad composition-of-matter protections to narrower method-of-use and process claims, designed to secure comprehensive coverage within its inventive scope.

3. Can competitors develop similar drugs that circumvent this patent?

Yes, by designing structurally distinct compounds or employing different methods of treatment not covered by the claims, competitors can potentially avoid infringement.

4. What is the international status of this patent?

While this analysis focuses on the U.S. version, the patent family likely includes equivalents filed under the PCT and in other jurisdictions to secure broader market protection.

5. How does patent landscape analysis benefit stakeholders?

It informs strategic decisions about research direction, licensing, litigation risks, and market entry by revealing overlapping patents, potential challenges, and opportunities for innovation.


Sources:
[1] USPTO Official Patent Database. Patent No. 9,850,277.
[2] Patent Landscape Reports and Litigation Records (where applicable).
[3] Patent Family and Priority Documents (publicly available patent family data).

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Drugs Protected by US Patent 9,850,277

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 Y Y A METHOD OF TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WHERE THE CANCER IS NEWLY DIAGNOSED ACUTE MYELOID LEUKEMIA (AML) ⤷  Get Started Free
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y A METHOD OF TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WHERE THE CANCER IS ACUTE MYELOGENOUS LEUKEMIA (AML) ⤷  Get Started Free
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y A METHOD OF TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WHERE THE CANCER IS RELAPSED OR REFRACTORY ACUTE MYELOID LEUKEMIA (AML) ⤷  Get Started Free
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y A METHOD OF TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WHEREIN THE CANCER IS RELAPSED OR REFRACTORY MYELODYSPLASTIC SYNDROMES ⤷  Get Started Free
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y A METHOD FOR TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WITH IVOSIDENIB IN COMBINATION WITH AZACITIDINE WHEREIN THE CANCER IS NEWLY DIAGNOSED AML ⤷  Get Started Free
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y A METHOD OF TREATING A CANCER CHARACTERIZED BY AN IDH1 MUTATION WHEREIN THE CANCER IS PREVIOUSLY TREATED, LOCALLY ADVANCED OR METASTATIC CHOLANGIOCARCINOMA ⤷  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 9,850,277

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
European Patent Office 2804851 ⤷  Get Started Free 122023000051 Germany ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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