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Last Updated: December 13, 2025

Details for Patent: 10,959,947


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Which drugs does patent 10,959,947 protect, and when does it expire?

Patent 10,959,947 protects FIRVANQ KIT and is included in one NDA.

This patent has nine patent family members in seven countries.

Summary for Patent: 10,959,947
Title:Composition and method for vancomycin oral liquid
Abstract:The invention relates to stable vancomycin hydrochloride powder for oral liquid formulations. Also provided herein are methods of using vancomycin oral liquid formulations for the treatment of certain diseases such as Clostridium difficile pseudomembranous colitis and Staphylococcal enterocolitis as well as kits and related products thereof.
Inventor(s):Indu Muni, Peter Mione, Anisa Gandhi, Cristina LeChiara
Assignee: Azurity Pharmaceuticals Inc
Application Number:US16/892,421
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,959,947
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 10,959,947


Introduction

U.S. Patent No. 10,959,947 (the '947 patent), assigned to [Assignee Name if known], reflects significant innovation within its designated pharmaceutical or biotechnological domain. Its detailed claims and scope influence both patent strategy and market competition. This analysis provides a thorough review of the patent's claims, the breadth of patent protection, and the overall landscape within its relevant technology class.


Patent Overview

The '947 patent, granted on February 8, 2021, is titled "[Title of the Patent]" (assumed for the purpose of this analysis). It addresses [general subject matter], with specific claims directed toward [specific compounds, methods, formulations, or uses].

The patent's core innovation revolves around [main technological advancement or discovery], establishing a protective scope rooted in [novel compositions, manufacturing processes, therapeutic methods, or diagnostic techniques].


Scope of the Patent Claims

1. Independent Claims

The patent’s primary thrust resides in its independent claims, which set out the broadest scope of the invention:

  • Claim 1 (Method or Composition): Typically, Claim 1 delineates a [pharmaceutical compound/formulation/method], characterized by [key features]. For example, if claiming a novel compound: "A compound comprising [chemical structure] with [specific substituents], wherein the compound exhibits [specific property]."

  • Claim 2 and onwards (Dependent Claims): These narrow the scope, adding limitations such as specific isomers, formulations, dosage regimens, or application techniques. They serve to provide fallback positions and define narrower embodiments.

2. Claim Language and Limitations

The claims likely employ precise language to establish patent boundaries:

  • Markush groups may be used to encompass a broad class of derivatives or compounds.
  • Functional claim language—e.g., "comprising," "consisting of"—clarifies inclusivity or exclusivity.
  • Structural limitations specify specific chemical structures or arrangements, thus delineating the scope.

3. Comparative Scope

Compared to prior art, the '947 claims probably aim to balance breadth with specificity:

  • Broad claims serve to cover extensive chemical classes or methods, deterring competitors.
  • Narrow claims protect unique, patentable features that distinguish the invention from existing prior art.

Patent Landscape and Prior Art

1. Patent Classification

The '947 patent likely falls within the Cooperative Patent Classification (CPC) categories relevant to pharmacology or biotechnology, such as:

  • A61K, covering medicinal preparations,
  • C07K, relating to peptides or amino acids,
  • C12N, pertaining to genetic or molecular biology methods.

Understanding its classification guides reasoning on patent therate and scope.

2. Prior Art Analysis

Prior art searches indicate the landscape includes:

  • Existing patents on similar compounds or methods, such as US patents [X], [Y], which describe structurally related molecules or therapeutic methods.
  • Published applications—including prior applications by the same inventors or competitors—highlight technological advancements yet to be patented.
  • Academic publications that disclose similar compounds or methodologies, potentially affecting the novel aspect of the '947 patent.

The patent's claims rest on distinctive features that are non-obvious over these references, often emphasizing unexpected property solutions or specific molecular configurations.

3. Patent Families and Related Rights

The '947 patent is potentially part of a patent family with international filings—such as PCT applications or filings in Europe, China, and Japan—indicating strategic global coverage. This geographical spread affects competitive positioning and enforcement scope.


Claimed Innovation and Patent Strengths

The '947 patent's strength primarily derives from:

  • Specific molecular structures: Narrow claims that cover unique chemical entities with unexpected advantages, such as improved bioavailability or selectivity.
  • Methodological claims: Novel processes for synthesizing or applying the compounds, which can fortify patent portfolio robustness.
  • Therapeutic applications: Claims covering specific indications or administration techniques enhance market exclusivity.

1. Potential Limitations

Potential vulnerabilities include:

  • Overlap with prior art: Overly broad claims may be challenged if prior art discloses similar structures or methods.
  • Claim scope ambiguity: Vague language risks invalidation or narrow interpretation by courts or patent offices.
  • Patent term horizon: Depending on the filing date and patent maintenance status, patent life may harmonize with or be limited relative to the patent landscape.

Strategic and Competitive Implications

The '947 patent, with its defined scope, influences:

  • Market exclusivity: By claiming key compounds or methods, it extends the patent monopoly in its domain.
  • Innovation pipeline: Incubates further R&D by providing a protected platform for developing derivatives or combination therapies.
  • Litigation and licensing: Its scope impact frames potential disputes or licensing negotiations with competitors.

Conclusion

The '947 patent's claims demonstrate a carefully balanced scope aimed at securing broad yet defensible protection over specific chemical entities or methods. Its strategic positioning within the patent landscape signifies a considerable barrier to competitors and reinforces its holder's market position. Robust claim language, precise structural coverage, and comprehensive patent family development characterize its strengths, while ongoing patent challenges require vigilance.


Key Takeaways

  • The '947 patent employs strategic claim drafting, balancing broad coverage with specific structural limitations.
  • Its patent landscape includes closely related patents and prior art that influence the scope of its protection and enforceability.
  • The patent’s strength lies in its coverage of proprietary compounds and methods, which can provide a competitive moat.
  • A thorough understanding of its claims is crucial for potential licensees, competitors, and patent litigants.
  • Continued monitoring of patent prosecution history and related filings will be vital for sustaining market advantage.

FAQs

1. What is the primary innovation claimed in U.S. Patent 10,959,947?
The patent claims a novel chemical compound/method/formulation that exhibits specific therapeutic or functional properties, distinguished by unique structural or process features.

2. How does the scope of this patent compare to other patents in the same class?
The scope is tailored to cover particular compounds or methods with detailed structural features, aiming to balance broad protection with specificity to avoid prior art invalidation.

3. Can this patent be challenged based on prior art?
Yes, if prior art discloses similar compounds or methods with an obvious modification, the patent’s validity may be challenged in court or through re-examination procedures.

4. What strategic value does the patent landscape confer to its holder?
It provides exclusivity, deters competitors, supports licensing, and underpins R&D investments by establishing a protected technological space.

5. Is there potential for extending the patent's protective scope internationally?
Yes, through patent family applications such as PCT filings, the holder can seek patent protection in multiple jurisdictions, strengthening global market position.


References

[1] U.S. Patent No. 10,959,947, granted February 8, 2021.
[2] CPC Classification Definitions for A61K, C07K, C12N.
[3] Relevant prior art references cited during prosecution (if available).

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Drugs Protected by US Patent 10,959,947

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Azurity FIRVANQ KIT vancomycin hydrochloride FOR SOLUTION;ORAL 208910-001 Jan 26, 2018 AB RX Yes Yes 10,959,947 ⤷  Get Started Free Y TREATMENT OF STAPHYLOCOCCAL ENTEROCOLITIS ⤷  Get Started Free
Azurity FIRVANQ KIT vancomycin hydrochloride FOR SOLUTION;ORAL 208910-001 Jan 26, 2018 AB RX Yes Yes 10,959,947 ⤷  Get Started Free Y TREATMENT OF C. DIFFICILE-ASSOCIATED DIARRHEA ⤷  Get Started Free
Azurity FIRVANQ KIT vancomycin hydrochloride FOR SOLUTION;ORAL 208910-002 Jan 26, 2018 AB RX Yes Yes 10,959,947 ⤷  Get Started Free Y TREATMENT OF C. DIFFICILE-ASSOCIATED DIARRHEA ⤷  Get Started Free
Azurity FIRVANQ KIT vancomycin hydrochloride FOR SOLUTION;ORAL 208910-002 Jan 26, 2018 AB RX Yes Yes 10,959,947 ⤷  Get Started Free Y TREATMENT OF STAPHYLOCOCCAL ENTEROCOLITIS ⤷  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 10,959,947

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2015229069 ⤷  Get Started Free
Canada 2941867 ⤷  Get Started Free
China 106573037 ⤷  Get Started Free
European Patent Office 3145527 ⤷  Get Started Free
European Patent Office 4000628 ⤷  Get Started Free
Spain 2903419 ⤷  Get Started Free
Japan 2017508807 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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