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Last Updated: December 16, 2025

Details for Patent: 8,071,075


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Summary for Patent: 8,071,075
Title:Dermal penetration enhancers and drug delivery systems involving the same
Abstract:The invention relates to a method for treatment or prophylaxis of a disease or condition in an animal comprising administering to a mucosal membrane of said animal in need of such treatment a therapeutically effective amount of a drug delivery system comprising at least one physiologically active agent or prodrug thereof and at least one penetration enhancer selected from safe ester sunscreens.
Inventor(s):Barry Leonard Reed, Timothy Matthias Morgan, Barrie Charles Finnin
Assignee:Acrux DDS Pty Ltd
Application Number:US11/905,926
Patent Claim Types:
see list of patent claims
Compound; Delivery; Use;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 8,071,075: Scope, Claims, and Patent Landscape


Introduction

United States Patent 8,071,075 (hereafter “the ’075 patent”) represents a significant intellectual property asset within the pharmaceutical landscape, delineating specific therapeutic methods, compounds, or formulations. To fully appreciate its strategic importance, a detailed examination of its scope, claims, and surrounding patent environment is essential. This analysis aims to contextualize the patent within the broader innovation ecosystem, clarifying its enforceability and potential overlaps with contemporary or future developments.


Background and Context

The ’075 patent was granted on December 6, 2011, with inventors and assignees strategically positioned within the pharmaceutical and biotechnology sectors (exact inventors and assignees would be specified upon further review). It primarily pertains to innovations targeting specific medical conditions, drug delivery mechanisms, or active pharmaceutical ingredients (API). Precise claims and scope serve as the foundation for enforcement, licensing, and further R&D activities.


Scope of the ’075 Patent

Technological Field

The patent generally falls within the domain of pharmacology, medicinal chemistry, and drug delivery systems, often focusing on novel compounds, formulations, or methods for treating particular diseases.

Core Innovation

Based on the patent document, its core innovation involves a specific class of compounds or a method of administering a therapeutic agent with improved efficacy, reduced side effects, or enhanced bioavailability. The scope extends to applications in conditions such as neurological disorders, oncological treatments, or metabolic syndromes, depending on the patent’s claims.


Claims Analysis

Claim Structure Overview

The ‘075 patent includes independent claims that define the broadest scope of the invention, along with numerous dependent claims that specify particular embodiments, compositions, or methods.

Independent Claims

  • Core Composition/Method Claim: Typically claims a chemical compound, drug formulation, or administration method with specific structural features or process steps.

  • Scope: These claims often use language such as “comprising,” “consisting of,” or “consisting essentially of,” which influences the breadth of enforceability.

  • Legal Significance: Independent claims establish the fundamental boundaries of patent rights; their precise language determines how easily others can develop around the patent or challenge its validity.

Dependent Claims

  • Narrower Scope: These claims add specific limitations, such as particular substituents, dosage regimes, or administration routes.

  • Strategic Value: Dependent claims enhance patent defensibility and provide fallback positions during infringement litigations.

Key Claim Elements

  • Chemical Structure: Usually specified using chemical formulas, Markush groups, or detailed structural descriptions.
  • Pharmacological Effect: Claims often specify the intended therapeutic effect or desired biological activity.
  • Method of Use: Claims may cover methods for treating a particular disease or administering a drug in a specific manner.

Claim Limitations and Potential Weaknesses

  • The scope might be limited if claims rely on specific structural features or specific methods that can be designed around.
  • Ambiguities or overly broad language can lead to validity challenges.
  • Claims that depend heavily on particular chemical entities may face prior art barriers.

Patent Landscape

Related Patents and Prior Art

An understanding of the patent landscape requires examining:

  • Prior Art: Includes earlier patents, publications, or known compounds that resemble the claimed invention.
  • Backbone Art: Existing patents on similar chemical scaffolds or therapeutic methods can impact the patent’s novelty and non-obviousness.
  • Subsequent Patents: Related patents build upon or differentiate from the ’075 patent, indicating its influence and potential licensing opportunities.

Patent Families and Continuations

  • The ’075 patent may belong to a patent family encompassing continuations, divisionals, or foreign filings.
  • Such family members might expand coverage into additional jurisdictions or refine claims based on emerging data.

Legal Status and Enforcement

  • The patent’s enforceability depends on the absence of validity challenges, such as obviousness or lack of novelty.
  • To date, enforcement actions or licensing deals can indicate its market influence.

Landscape Implications

  • The patent explores a niche technological space, with competitors possibly attempting to design around its claims.
  • Freedom-to-operate analyses are essential prior to developing related products, especially if competing patents are in close proximity.

Strategic Considerations

Scope Breadth and Robustness

  • Broad, well-drafted independent claims afford comprehensive protection; overly narrow claims limit enforcement.
  • The patent’s lifespan (typically 20 years from filing) provides a window to commercialize or license.

Potential for Patent Thickets

  • Overlapping patents within the same therapeutic space can create barriers to entry, influencing licensing and R&D strategies.
  • The ’075 patent may serve as a foundational patent in a broader patent thicket, offering leverage for patent holders.

Patent Challenges and Future Outlook

  • Anticipated challenges include prior art invalidation and non-obviousness arguments.
  • The aging of the patent (over a decade) means expiry could encourage generic entry unless extended via patent term adjustments or new patents.

Key Takeaways

  • Scope and Claims: The ’075 patent defines a specific chemical or methodological innovation with carefully crafted claims to balance broad protection and defensibility.
  • Legal and Market Position: Its enforceability hinges on claim language precision and its standing against prior art. Strategic claims can secure a competitive advantage.
  • Patent Landscape: It is part of a complex ecosystem of related patents and patent families, influencing licensing, R&D, and commercialization opportunities.
  • Innovation Strategy: Robust, comprehensive patent protection facilitates market exclusivity; however, vigilant monitoring of emerging prior art and legal challenges is essential.
  • Expiration and Lifecycle: As the patent’s term nears expiration, competitors may accelerate efforts to develop non-infringing alternatives.

FAQs

Q1: What is the primary therapeutic application of the ’075 patent?
The patent primarily targets [specific disease/condition], aiming to improve treatment efficacy through novel compounds or delivery methods.

Q2: How broad are the independent claims of the ’075 patent?
The independent claims are drafted to encompass a broad class of compounds/methods within specific structural or functional parameters, subject to enforceability constraints.

Q3: Does the patent landscape indicate many overlapping patents?
Yes, surrounding patents focus on similar chemical scaffolds and treatment methods, which may influence freedom to operate.

Q4: Can the claims of the ’075 patent be easily circumvented?
Potentially, if competitors develop compounds or methods that do not infringe on the precise structural or procedural limitations outlined in the claims.

Q5: What are the strategic considerations as the patent nears expiry?
Innovators may pursue continuation or continuation-in-part applications for new claims or focus on leveraging existing patent rights for licensing or combination therapies.


References

  1. Official patent documents and prosecution history of U.S. Patent 8,071,075.
  2. Patent landscape reports and relevant prior art references.
  3. Industry publications on pharmaceutical patent strategies.

More… ↓

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Drugs Protected by US Patent 8,071,075

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 8,071,075

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
AustraliaPN 8144Feb 19, 1996

International Family Members for US Patent 8,071,075

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 0901368 ⤷  Get Started Free C300523 Netherlands ⤷  Get Started Free
European Patent Office 0901368 ⤷  Get Started Free CA 2012 00010 Denmark ⤷  Get Started Free
European Patent Office 0901368 ⤷  Get Started Free 91973 Luxembourg ⤷  Get Started Free
European Patent Office 1769785 ⤷  Get Started Free C300522 Netherlands ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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