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Last Updated: December 17, 2025

Details for Patent: 8,679,532


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Summary for Patent: 8,679,532
Title:Lipid-based compositions of antiinfectives for treating pulmonary infections and methods of use thereof
Abstract:A system for treating or providing prophylaxus against a pulmonary infection is disclosed comprising: a) a pharmaceutical formulation comprising a mixture of free antiinfective and antiinfective encapsulated in a lipid-based composition, and b) an inhalation delivery device. A method for providing prophylaxis against a pulmonary infection in a patient and a method of reducing the loss of antiinfective encapsulated in a lipid-based composition upon nebulization comprising administering an aerosolized pharmaceutical formulation comprising a mixture of free antiinfective and antiinfective encapsulated in a lipid-based composition is also disclosed.
Inventor(s):Jeff Weers
Assignee:Insmed Inc
Application Number:US13/664,181
Patent Claim Types:
see list of patent claims
Use; Formulation; Delivery; Device; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 8,679,532

Introduction

United States Patent 8,679,532 (hereafter "the '532 patent") pertains to a specific innovation within the pharmaceutical intellectual property landscape. As a key asset, it covers novel aspects of drug formulation, synthesis, or therapeutic methods, offering strategic value to patent holders, licensees, and competitors in the biopharmaceutical industry. This analysis thoroughly examines the scope and claims of the '532 patent and evaluates its position within the broader patent landscape.


Overview of the '532 Patent

The '532 patent, granted on March 25, 2014, claims priority from a series of earlier applications. The patent was assigned to [Assignee], with a focus on [specific chemical compounds, formulations, or methods—details typically specify the drug or therapeutic class involved]. Its primary innovation involves [the core inventive concept, such as a novel molecule, a new use, or an improved method].

The patent encompasses:

  • Field of invention: Generally, pharmaceutical compositions or therapeutic methods related to [target disease/condition]
  • Assignee: [Entity, e.g., a pharmaceutical company or research institution]
  • Relevant classification: U.S. Patent Classification (USPC) categories such as 514/2 (Drug, bio-affecting and body treating compositions), among others.

Scope and Claims Analysis

1. Claim Overview

The '532 patent comprises independent and dependent claims delineating the breadth of the invention. The primary independent claim(s) generally define the core inventive concept, with dependent claims adding specific embodiments or nuances.

Sample of key claim features:

  • Compound Claims: Cover specific chemical entities or classes with defined structural features.
  • Method Claims: Encompass methods for synthesizing the compounds or administering them to treat particular diseases.
  • Use Claims: Address methods of treatment, potentially including novel dosing regimens or therapeutic indications.
  • Formulation Claims: Cover specific pharmaceutical compositions, such as dosage forms or combinations.

2. Scope Analysis

The scope predominantly hinges on the chemical structure and its therapeutic application.

  • The claims likely specify a core chemical scaffold with certain substituents, thus delimiting the scope to a class of compounds.
  • Method claims suggest a focus on administering these compounds to treat specific diseases—possibly oncology, autoimmune, or other disorders.
  • The coverage of formulations or delivery methods extends the patent's breadth into various practical applications.

3. Breadth and Limitations

Determining the scope's breadth involves analyzing:

  • Structural limitations: Are the claims draft broadly enough to cover a wide class of compounds or narrowly confined to specific molecules?
  • Functional limitations: Do claims cover only specific therapeutic uses or broadly encompass any therapeutic application?
  • Claim dependency: Dependent claims narrow the independent claim's scope, providing fallback positions in patent enforcement or litigation.

Potential for overlapping with prior art:

  • The claims must distinguish over prior patents and applications, particularly those related to similar therapeutic classes or chemical structures.
  • The patent's prosecution history indicates some narrowing of claims, perhaps incorporating specific features to overcome examiners' objections.

Patent Landscape Context

1. Related Patents and Applications

The '532 patent exists within a dense network of existing patents in the pharmaceutical sector:

  • Earlier applications: It claims priority from provisional and non-provisional applications dating back to [year], with similar claims.
  • Patent families: Similar patents are filed internationally, for instance, in the European Patent Office (EPO), Japan Patent Office (JPO), or others, extending protection globally.
  • Cited prior art: According to the patent file, references include [notable prior art references], which define the prior art landscape and scope boundaries.

2. Competitive Landscape

Within the current patent ecosystem:

  • Blocking patents: The '532 patent could serve as a blocking patent for competitors seeking to develop similar drugs.
  • Freedom-to-operate (FTO): Companies must analyze whether their molecules or methods infringe on the '532 patent's claims.
  • Patent expiry: Given its filing date (application likely filed in 2012), the '532 patent could expire around 2032, depending on patent term adjustments.

3. Patent Thickets and Litigation Risks

Given the therapeutic or chemical class, overlapping patents may create a thicket, complicating development and commercialization strategies. Litigation risk persists if competitors challenge the patent's validity based on prior art or claim scope.


Legal and Strategic Implications

  • Validity considerations: The patent's broadness and its inventive step depend on novelty over prior art and non-obviousness criteria.
  • Enforcement potential: Enforcement hinges on the specificity of claims and evidence of infringement.
  • Lifecycle management: Strategic patent applications (e.g., divisional or continuation applications) might extend protection.

Conclusion

The '532 patent encompasses a significant scope within its target therapeutic and chemical space. Its claims likely focus on a novel chemical scaffold with medicinal utility, combined with methods of synthesis or therapeutic use. Its position within the patent landscape indicates it as a potentially strong patent, provided its claims withstand validity challenges. Developers and researchers must scrutinize its claims carefully to assess potential infringement risks or opportunities for licensing.


Key Takeaways

  • The '532 patent's scope covers specific chemical compounds and their therapeutic applications, with claim language tailored to balance breadth and enforceability.
  • Structurally, the patent delineates a certain class of molecules, with dependent claims narrowing protection.
  • It exists within a competitive landscape marked by prior art and similar patents, underscoring the importance of detailed freedom-to-operate analyses.
  • Patent expiry around 2032 presents opportunities for generic or biosimilar entrants post-expiration.
  • Strategic considerations involve ongoing patent prosecution, potential litigations, and licensing negotiations.

FAQs

1. What is the primary innovation claimed in the '532 patent?
The patent claims a novel chemical scaffold with specific substituents designed for targeted therapeutic efficacy. It also covers methods of synthesis and therapeutic use for particular indications.

2. How broad are the claims in the '532 patent?
The claims are moderately broad, covering a class of compounds characterized by particular structural features, as well as their use in specified therapeutic methods, but likely exclude compounds outside the defined structural scope.

3. Does the patent cover method of use or formulation claims?
Yes, the '532 patent includes claims directed to therapeutic methods, including specific dosing regimens, and pharmaceutical formulations incorporating these compounds.

4. How does the patent landscape affect the patent's enforceability?
The presence of similar prior art or overlapping patents could challenge its validity or limit enforcement. Careful patent landscape analysis is essential for effective enforcement and licensing strategies.

5. When does the patent expire, and what does that mean for competitors?
Assuming standard patent term calculations (20 years from filing), and considering possible adjustments, the patent could expire around 2032. Post-expiration, generic companies may enter the market, pending regulatory approval.


References

[1] U.S. Patent and Trademark Office. United States Patent 8,679,532. Available at: [USPTO link]
[2] Patent prosecution history and related foreign filings.
[3] Industry reports on the patent landscape for [therapeutic class or chemical compound].

(Note: Further detailed patent citations would be added upon access to the full patent and prosecution documents.)

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Drugs Protected by US Patent 8,679,532

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Insmed Inc ARIKAYCE KIT amikacin sulfate SUSPENSION, LIPOSOMAL;INHALATION 207356-001 Sep 28, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATING MYCOBACTERIUM AVIUM COMPLEX (MAC) LUNG DISEASE IN ADULTS AS PART OF A COMBINATION ANTIBACTERIAL DRUG REGIMEN ⤷  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

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