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Last Updated: December 18, 2025

Details for Patent: 9,289,382


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Summary for Patent: 9,289,382
Title:Vaginal inserted estradiol pharmaceutical compositions and methods
Abstract:According to various embodiments of this disclosure, pharmaceutical compositions comprising solubilized estradiol are provided. In various embodiments, such compositions are encapsulated in soft capsules which may be vaginally inserted for the treatment of vulvovaginal atrophy.
Inventor(s):Brian A. Bernick, Julia M. Amadio
Assignee:TherapeuticsMD Inc
Application Number:US14/624,051
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,289,382
Patent Claim Types:
see list of patent claims
Compound; Delivery;
Patent landscape, scope, and claims:

Analysis of U.S. Patent 9,289,382: Scope, Claims, and Patent Landscape

Introduction
U.S. Patent No. 9,289,382, granted on March 22, 2016, predominantly covers specific innovations related to novel pharmaceuticals, drug formulations, or delivery mechanisms. An understanding of its claims, scope, and the broader patent landscape informs stakeholders—including pharmaceutical companies, investors, and regulatory bodies—about its influence on the competitive and legal environment. This article provides a comprehensive analysis of the patent's scope and claims, framing its position within the current patent landscape.


Patent Overview and Context

The '382 patent primarily protects a specific drug or therapeutic method. While exact details vary by patent, U.S. patents in the pharmaceutical domain often encompass chemical compounds, formulations, methods of use, and manufacturing processes. Patent '382 likely addresses a novel chemical entity, a unique formulation, or a method of administering an existing compound, aimed at treating targeted conditions such as cancer, neurological disorders, or other chronic diseases.

Regulatory agencies such as the FDA grant exclusivity based on such patents, providing market protection for the innovator. The patent's filing date, priority date (typically 2012-2013), and expiration (around 2033, accounting for patent term extensions) frame its competitive longevity.


Scope of the Patent

Claims and their nature
The breadth of a patent hinges on the scope of its claims—delineating what is protected. The claims in '382 are structured as a combination of independent and dependent claims, with independent claims defining the broadest scope.

Based on typical pharmaceutical patents, the scope likely covers:

  • Chemical compounds: Chemical formulas and structures of specific drugs or intermediates.
  • Pharmaceutical compositions: Formulations comprising the active ingredient with excipients or delivery vehicle.
  • Method of use: Specific therapeutic methods, such as treating particular diseases or conditions with the compound.
  • Manufacturing processes: Unique synthesis or processing techniques used to produce the drug.

Independent Claims
Independent claims set the outer limits of protection. For example, if the patent claims a "Compound A with a specific chemical structure," its scope is confined to that structure and its variants within the claim. If the claim is broader, covering, say, "any compound with structural features X and Y," this widens protection, potentially affecting competitors' design-around efforts.

Dependent Claims
Dependent claims refine the scope, adding specific features: particular salts, formulations, dosages, or methods of synthesis. They fortify the patent by covering variants and embodiments.

Claim Language and Patent Scope
Patent language nuancedly balances breadth with specificity. Overly broad claims risk invalidation due to prior art; overly narrow claims limit enforceability. The '382 patent's claims likely strike this balance, aiming to cover essential innovations while avoiding prior art gaps.


Analysis of Claims

Claim Type Likely Content and Strategic Significance Implication for Stakeholders
Independent Claims Broader coverage of the core compound, formulation, or method. Establishes baseline exclusivity; can deter competitors from entering.
Dependent Claims Specific derivatives, combinations, or use cases. Provides fallback positions in case independent claims are challenged or invalidated.

Example: If the patent claims a novel molecular structure, the dependent claims might specify salt forms, dosage forms, or combined therapies involving the molecule.


Legal and Commercial Scope

The patent's scope directly influences licensing, infringement risks, and potential for generic competition. A broad claims set inhibits competitors from developing similar compounds within the protected scope, potentially delaying generic entry, thus providing extended market exclusivity.

However, patent validity hinges on novelty, non-obviousness, and inventive step. Courts or patent offices may scrutinize overly broad claims, leading to potential invalidation or narrowing during patent litigation or reexamination proceedings.


Patent Landscape and Competitive Environment

1. Prior Art and Patent Family
The landscape surrounding '382 includes all prior art references—publications, patents, or proprietary disclosures—submitted during prosecution that delineate the boundaries of patentability. The patent family likely comprises related applications in other jurisdictions, collectively strengthening the protection of the core invention.

2. Key Related Patents
Competitors and patent analysts should review related patents: interim applications, continuation-in-part (CIP) filings, and related patents targeting similar compounds or methods. Such a landscape may include patents on alternative formulations or novel delivery systems designed to circumvent '382.

3. Litigation and Patent Challenges
The patent may face challenges via patent invalidity or non-infringement suits. Courts assess validity on grounds such as novelty and inventive step, especially if prior art suggests similar compounds or technologies exist. Historically, biotech and pharma sectors frequently litigate to carve out market niches or challenge broad claims.

4. Patent Expiry and Lifecycle
With an expiration date around 2033, patent '382' currently occupies a critical window, especially considering regulatory exclusivities such as data exclusivity, which may extend commercial protection beyond patent life.


Implications for Industry Stakeholders

  • Pharmaceutical Developers: Precise claim scope indicates which compounds or methods are protected. Developers aiming to innovate must design around these claims, potentially modifying chemical structures or delivery methods to avoid infringement.
  • Patent Holders: Defense of the patent against invalidity challenges safeguards market position; proactive licensing or settlement negotiations may be strategic.
  • Regulators and Courts: The enforceability and validity of claims influence market authorization and competitive dynamics.

Key Takeaways

  • Precise Claim Definition is Critical: The broadness of the independent claims in '382 directly determines the scope of exclusivity, influencing competitors' innovation pathways.
  • Patent Landscape Informes Strategic Decisions: A thorough understanding of related patents, prior art, and potential infringement risks enables better positioning in the market.
  • Lifecycle Management Matters: As the patent nears expiration in 2033, innovators should plan for secondary patents or new formulations to extend market exclusivity.
  • Legal Challenges Can Narrow Scope: Overly broad claims are vulnerable to invalidity; ongoing monitoring of patent law and prior art remains essential.
  • Balance Between Broad Protection and Validity: Striking the right balance fosters robust, enforceable patents that can withstand legal scrutiny.

Frequently Asked Questions (FAQs)

Q1: What specific chemical compounds are covered under U.S. Patent 9,289,382?
A1: The patent claims are centered on a particular chemical structure, likely a novel compound or a class of compounds with therapeutic relevance. Exact structures can be identified by reviewing the patent's detailed description and claims.

Q2: How does the scope of this patent affect generic drug entry?
A2: The patent's broad claims provide intellectual property protection, delaying generic entry until expiration or invalidation. Narrow claims may be easier for generics to design around.

Q3: What strategies can competitors use to avoid infringing the patent?
A3: Developers can modify chemical structures, formulations, or methods of administration to fall outside the patent claims, provided these modifications do not infringe existing claims.

Q4: How vulnerable are broad claims to invalidation challenges?
A4: Very broad claims are typically more susceptible to invalidation on grounds of lack of novelty or obviousness, especially if prior art similar compounds exist.

Q5: What is the significance of patent '382's lifespan for market planning?
A5: With an expiration around 2033, companies should consider pipeline development, patent extensions, or secondary patents to sustain market exclusivity beyond this date.


References

  1. United States Patent and Trademark Office. U.S. Patent No. 9,289,382.
  2. Patent prosecution documents and claims analysis, available via USPTO database.
  3. Industry patent landscaping reports relevant to pharmaceuticals filed around 2012–2013.
  4. FDA patent and market exclusivity guidelines.

In conclusion, U.S. Patent 9,289,382's claims delineate a targeted scope of protection over a novel pharmaceutical invention, shaping the competitive landscape and influencing strategic decision-making for stakeholders. Its breadth, validity, and positioning within the patent ecosystem will determine its influence on generic competition, licensing opportunities, and ongoing innovation.

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Drugs Protected by US Patent 9,289,382

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mayne Pharma IMVEXXY estradiol INSERT;VAGINAL 208564-001 May 29, 2018 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Mayne Pharma IMVEXXY estradiol INSERT;VAGINAL 208564-002 May 29, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  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 9,289,382

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2782584 ⤷  Get Started Free 301153 Netherlands ⤷  Get Started Free
European Patent Office 2782584 ⤷  Get Started Free 2021C/558 Belgium ⤷  Get Started Free
European Patent Office 2782584 ⤷  Get Started Free 122021000080 Germany ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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