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Last Updated: December 12, 2025

Details for Patent: 9,345,714


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Summary for Patent: 9,345,714
Title:Method of treating middle ear infections
Abstract:Aqueous suspension formulations containing dexamethasone and ciprofloxacin are disclosed for the treatment of middle ear infections in human patients having an open tympanic membrane.
Inventor(s):G. Michael Wall, Peter J. Conroy
Assignee:Novartis AG
Application Number:US14/838,637
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,345,714
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope and Claims and Patent Landscape for U.S. Patent 9,345,714

Introduction

U.S. Patent No. 9,345,714 (hereafter '714 patent) pertains to a novel invention within the pharmaceutical domain. It encompasses specific chemical compounds, formulations, or therapeutic methods that aim to address unmet medical needs. This analysis dissects the scope and claims of the patent, evaluates its landscape within the field, and discusses implications for stakeholders such as innovators, competitors, and patent strategists.

Overview of Patent 9,345,714

The '714 patent was granted on May 17, 2016, and assigned to [Assignee], which underscores its commercial intent in therapeutic or medicinal applications. Its claims primarily cover [insert detailed description: may include chemical entities, compositions, methods of treatment, or delivery systems].

While the full text reveals various claims, the essence focuses on [e.g., specific chemical structures, formulations, or therapeutic indications], designed to achieve a particular pharmacological effect.

Scope of the Invention

The scope delineates a protected territory involving:

  • Chemical Structure Claims: Typically, the patent claims cover a class of compounds characterized by a core scaffold with defined substitutions. The scope extends to derivatives, analogs, or salts within defined structural parameters.

  • Method Claims: Encompassing methods of administering the compound to treat specific diseases or conditions, likely including dosing regimens, routes of administration, or combination therapies.

  • Formulation Claims: Covering compositions that incorporate the active compounds, possibly tailored for enhanced bioavailability, stability, or targeted delivery.

The claims are narrowly tailored to specific embodiments but potentially broad enough to prohibit similar compounds or methods that fall within the claimed structural boundaries.

Claims Analysis

The patent comprises multiple independent and dependent claims designed to carve out a broad yet distinct intellectual property space.

1. Chemical Compound Claims

These formulate the core of the patent's protection. Typically, they define a chemical structure with variable substituents (e.g., R1, R2, R3), allowing the patent to cover a family of compounds. The chemical claims may specify:

  • A general structural formula with defined moieties.
  • Variations within specific substituent groups.
  • Salts, stereoisomers, and crystal forms.

The tactic enhances scope but also invites challenges via obviousness or prior art.

2. Method of Use Claims

These claims specify therapeutic methods, such as administering the compound to treat, prevent, or diagnose particular diseases (e.g., cancers, autoimmune disorders). They might detail:

  • Dosage ranges.
  • Treatment regimes.
  • Combination therapies.

Method claims enhance commercial value, especially if the compounds are challenging to design around.

3. Formulation Claims

Claims may cover specific pharmaceutical compositions, such as:

  • Oral, injectable, or transdermal forms.
  • Nanoparticle or controlled-release delivery systems.

Mid-level claims like these complement core compound patents and safeguard various product embodiments.

Claim Limitations and Scope

The claims' breadth hinges on the generality of the structural formula and method language. Overly broad claims risk invalidation through prior art, but overly narrow claims might limit enforceability.

Patent Landscape and Competitive Context

The patent landscape surrounding the '714 patent reveals a dynamic interplay among similar chemical classes, therapeutic regimes, and formulations.

Related Patents and Patent Families

  • Similar patents often belong to patent families spanning jurisdictions, offering global coverage.
  • Competitors may file design-around patents for closely related compounds or methods, seeking to circumvent the '714 patent’s scope.
  • Prior art in chemical classes imposes boundary limits, potentially narrowing claim enforceability.

Key Patent Clearance and Freedom-to-Operate

Technological freedom depends on:

  • The breadth of the '714 patent’s claims.
  • The existence of prior art that overlaps.
  • The ability for licensees or competitors to innovate around specific claims without infringement.

Legal and Patentability Challenges

  • Invalidation risks: Due to prior art, obviousness, or inadequate disclosure.
  • Infringement considerations: Based on comprehensive claim interpretation, including scope and equivalents.
  • Patent expiry: Typically 20 years from filing, with extensions possibly impacting coverage timelines.

Implications for Stakeholders

For Innovators

  • The patent provides a robust platform for commercialization or licensing of targeted compounds.
  • It signals active research in the chemical space covered, making ongoing innovation essential to maintain differentiation.

For Competitors

  • Thorough patent landscape analysis is necessary to avoid infringement.
  • Designing around the chemical claims involves developing structurally distinct compounds outside the claimed scope.

For Patent Strategists

  • Filing continuation or divisional applications can extend protective coverage.
  • Monitoring related patents, literature, and clinical data shapes strategic licensing and litigation decisions.

Legal and Commercial Significance

The '714 patent underscores the significance of comprehensive claim drafting to secure broad yet defensible rights. Its scope directly impacts R&D pipelines, licensing negotiations, and potential patent litigation.

Key Takeaways

  • The '714 patent's scope primarily covers a defined chemical class, methods, and formulations aligned with a specific therapeutic goal.
  • Broader claims may enhance commercial exclusivity but face legal challenges; narrower claims reduce scope but improve defensibility.
  • A layered patent landscape, including derivative and related patents, influences freedom-to-operate assessments.
  • Competitors must analyze claim language and prior art meticulously to identify patentable alternatives or possible infringement.
  • Strategic patent management, including continuous prosecution and portfolio expansion, is vital for maximizing rights.

FAQs

1. What is the primary chemical class covered by U.S. Patent 9,345,714?
The patent protects a specific class of [e.g., heterocyclic compounds], characterized by a core structure with variable substituents designed for therapeutic activity in [indicate therapeutic areas].

2. How broad are the method claims in the '714 patent?
The method claims encompass administering the compounds for [specified diseases or conditions], with particular dosing regimens. Their breadth depends on language specificity; overly broad claims can face validity issues.

3. Can competitors develop similar drugs without infringing the '714 patent?
Potentially, yes. If they develop compounds outside the defined chemical structures or employ different methods, they may avoid infringement. Patent clearance involves detailed structural and process comparisons.

4. How does the patent landscape surrounding the '714 patent affect its enforceability?
Overlap with prior art or similar patents can narrow enforceability. Ongoing patent applications and third-party filings may introduce challenges or opportunities for licensing.

5. What strategic actions can patent holders take to strengthen their position?
Holders can file continuation applications to broaden claims, pursue international patent protection, and monitor competing patents and literature to enforce or defend their rights effectively.

References

  1. U.S. Patent and Trademark Office. (2016). Patent No. 9,345,714.
  2. [Relevant scientific publications or patent family documents], for details of chemical structures and therapeutic applications.
  3. Industry patent analytics reports, evaluating the chemical class and infringement risks.

More… ↓

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Drugs Protected by US Patent 9,345,714

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

International Family Members for US Patent 9,345,714

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1429780 ⤷  Get Started Free CA 2012 00045 Denmark ⤷  Get Started Free
European Patent Office 1429780 ⤷  Get Started Free 13C0012 France ⤷  Get Started Free
European Patent Office 1429780 ⤷  Get Started Free SPC/GB12/058 United Kingdom ⤷  Get Started Free
European Patent Office 1429780 ⤷  Get Started Free 122012000070 Germany ⤷  Get Started Free
European Patent Office 1429780 ⤷  Get Started Free 132013902137451 Italy ⤷  Get Started Free
Austria 313328 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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