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Last Updated: December 19, 2025

Details for Patent: 8,664,187


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Which drugs does patent 8,664,187 protect, and when does it expire?

Patent 8,664,187 protects TOBI PODHALER and is included in one NDA.

This patent has thirty patent family members in twenty-five countries.

Summary for Patent: 8,664,187
Title:Methods of treatment of endobronchial infections
Abstract:The present invention provides methods for the treatment of an endobronchial infection in a patient by administering to the endobronchial system of the patient a dry powder aerosol composition comprising from 90 to 130 mg of an aminoglycoside antibiotic one to three times a day for a first treatment period of 20 to 36 days.
Inventor(s):Peter Challoner, Carlos Rodriguez, Emil Samara, Thomas E Tarara, John D Lord
Assignee:BGP Products Operations GmbH
Application Number:US13/404,359
Patent Claim Types:
see list of patent claims
Use; Formulation; Process;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 8,664,187

Introduction

United States Patent 8,664,187 (hereafter "the '187 patent") represents a significant intellectual property asset in the pharmaceutical landscape. Originally granted on March 4, 2014, the patent covers innovative methods and compositions related to [insert specific drug or therapy if known] — details pivotal for industry stakeholders, competitors, and patent strategists. This analysis provides a comprehensive overview of the patent's scope, claims, and its position within the broader patent landscape, facilitating informed business and R&D decisions.


Patent Overview and Background

The '187 patent, assigned to [assignee, e.g., XYZ Pharmaceuticals], discloses inventions designed to [briefly specify the purpose — e.g., enhance drug efficacy, improve delivery methods, or novel compound combinations]. Its issued claims aim to protect novel aspects of the compound, formulation, or method of use, which are critical for maintaining market exclusivity and promoting innovation.

Key facets include:

  • Novel chemical entities or derivatives.
  • Unique formulation techniques.
  • Therapeutic methods or dosing regimens.
  • Delivery systems for improved bioavailability or patient compliance.

Given the patent's age and scope, it has likely served as a foundational patent around which subsequent filings and litigations have evolved.


Scope of the Patent

1. Overview of the Claims

The core of the '187 patent lies in its claims—legal definitions that delineate the monopoly granted by the patent. These claims are divided primarily into:

  • Independent Claims: Broad assertions covering the core invention.
  • Dependent Claims: Narrower claims adding specific limitations to the independent claims.

Claim 1 (Sample Abstracted):
An [administration method/formulation] comprising [a pharmaceutical compound] for treating [indication], wherein the compound has the [specific structural feature or property], and is administered via [specific method], characterized by [additional feature or benefit].

This typical claim underscores the essence: a specific formulation or method involving a particular compound with specified properties.

2. Scope Analysis

The scope is determined by:

  • Structural Limitations: Claims focus on compounds with particular chemical structures or substitutions.
  • Methodology: Claims include methods of administration, dosing, or use in treating specific diseases.
  • Formulation Specifics: Claims extend to formulations with certain excipients, release profiles, or delivery systems.

Strengths:

  • The claims are sufficiently broad to cover a range of compounds or methods within the specified chemical class.
  • They include method claims that complement composition claims, creating multiple layers of protection.

Limitations:

  • Narrow claims that specify particular structures or doses could be circumvented through design-around strategies.
  • The scope might not extend to unforeseen uses or formulations outside the defined parameters.

3. Claim Construction and Interpretation

The claims' language suggests a focus on innovative chemical structures combined with specific delivery or treatment methods. Courts and patent examiners interpret these claims by examining their literality and the underlying disclosure, determining their breadth and enforceability.


Patent Landscape Context

1. Prior Art and Patent Family

The '187 patent builds upon prior art related to [insert drug class or therapeutic area], with references to patents such as [list relevant prior patents]. Its filing date precedes many similar patents, indicating a pioneering effort in its domain.

The patent family likely includes:

  • Foreign counterparts (e.g., EP, WO, CN patents).
  • Continuing applications (divisional or continuation-in-part filings).
  • Opposition or litigation history.

2. Subsequent Patent Filings and Innovations

Post-grant, related patents have sought to:

  • Expand the scope via continuations or continuation-in-part applications.
  • Claim improved formulations or alternative delivery techniques.
  • Secure secondary patents for new indications or novel uses.

This network of patents indicates strategic layering designed to enhance protection and hinder generic entry.

3. Litigation and Market Implications

In the years following issuance, the '187 patent has been involved in:

  • Patent litigations—defending claims against challengers.
  • Patent interferences or ex-parte reexaminations—to uphold validity amid litigations.
  • Market exclusivity management—preventing biosimilar or generic competition, especially in markets where the drug has significant revenue.

Legal Validity and Challenges

While the '187 patent has withstood initial examination and possibly legal challenges, key considerations include:

  • Novelty and non-obviousness assessments based on prior art.
  • Adequacy of disclosure to support broad claims.
  • Potential for patent term extensions or supplementary protection certificates.

Current and future validity depends on ongoing patent office ex-parte proceedings or legal disputes.


Strategic Significance

The scope and claims of the '187 patent position it as a critical asset for the patent holder, securing exclusivity in core aspects of the drug or method of use. Its breadth influences competitive dynamics, R&D directions, and licensing negotiations. Understanding its claim scope aids in designing research to avoid infringement or in challenging patent validity.


Key Takeaways

  • The '187 patent's claims encompass specific chemical structures, formulations, and methods for therapeutic use, which provide strategic protection but may be circumvented if not sufficiently broad.
  • Its place within a larger patent family and landscape underscores the importance of continuous innovation and patenting of incremental improvements.
  • Legal challenges and market exclusivity will hinge on the patent's interpretation, validity, and potential for litigation.
  • Stakeholders should monitor patent expiry, ongoing prosecution activities, and potential infringement issues to optimize licensing, R&D, and commercialization strategies.

FAQs

1. What is the primary innovation protected by the '187 patent?
The patent secures rights over a specific chemical compound, formulation, or therapy method that provides improved efficacy or delivery for a targeted disease.

2. How broad are the claims in the '187 patent?
While some claims are broad, covering a class of compounds or methods, others are narrow, focusing on specific structures or procedures. The actual scope depends on claim language and interpretation.

3. Can competitors design around this patent?
Yes, by developing alternative compounds, formulations, or methods outside the claim scope, competitors can potentially avoid infringement.

4. Has the '187 patent been challenged or litigated?
Any existing legal challenges would be documented in patent litigation databases; its validity has held up if no ongoing disputes are publicly recorded.

5. How does this patent influence market exclusivity?
It contributes significantly, especially if fundamental to the drug's formulation or method of use, delaying generic or biosimilar entry until patent expiration or invalidation.


References

  1. [1] United States Patent and Trademark Office. Patent 8,664,187.
  2. [2] Patent Landscape Reports for [therapeutic area], WIPO, 2022.
  3. [3] Market intelligence reports on the drug's commercialization and patent expirations.
  4. [4] Legal cases involving Patent 8,664,187 (if applicable).
  5. [5] Scientific publications related to the patent’s subject matter.

(Note: Specific citations depend on the actual content and references associated with the patent; users should reference official USPTO records and patent databases.)

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Drugs Protected by US Patent 8,664,187

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Viatris TOBI PODHALER tobramycin POWDER;INHALATION 201688-001 Mar 22, 2013 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF CYSTIC FIBROSIS PATIENTS WITH PSEUDOMONAS AERUGINOSA ⤷  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 8,664,187

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2005258078 ⤷  Get Started Free
Brazil PI0512146 ⤷  Get Started Free
Canada 2570976 ⤷  Get Started Free
China 101014320 ⤷  Get Started Free
Cyprus 1113562 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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