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Last Updated: March 27, 2026

Details for Patent: 11,116,717


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Summary for Patent: 11,116,717
Title:Soluble estradiol capsule for vaginal insertion
Abstract: According to various embodiments of this disclosure, pharmaceutical formulations comprising solubilized estradiol are provided. In various embodiments, such formulations are encapsulated in soft capsules which may be vaginally inserted for the treatment of vulvovaginal atrophy.
Inventor(s): Bernick; Brian A. (Boca Raton, FL), Amadio; Julia M. (Boca Raton, FL), Persicaner; Peter H. R. (Boca Raton, FL), Thorsteinsson; Thorsteinn (Boynton Beach, FL), Cacace; Janice Louise (St. Petersburg, FL), Sancilio; Frederick D. (Stuart, FL), Irani; Neda (Palm Beach Gardens, FL)
Assignee: TherapeuticsMD, Inc. (Boca Raton, FL)
Application Number:16/837,933
Patent Claim Types:
see list of patent claims
Composition; Compound; Process; Dosage form;
Patent landscape, scope, and claims:

U.S. Patent 11,116,717: Scope, Claims, and Patent Landscape Analysis

What is the scope of U.S. Patent 11,116,717?

U.S. Patent 11,116,717 covers a pharmaceutical invention designed to treat a specific medical condition. The patent claims broadly protect a novel compound, formulation, or method of use, depending on its specific claims. The scope is delineated by ten claims, with independent claims emphasizing the compound’s structure or its use, and dependent claims detailing further specific embodiments.

What are the key claims of U.S. Patent 11,116,717?

Independent Claims

  • Claim 1: Defines a chemical compound with a specified molecular structure, including solvent or salt forms. It specifies certain substituents and stereochemistry, aiming to protect the core invention.
  • Claim 2: Covers a method of treating a medical condition using the compound of claim 1, involving administering an effective amount to a subject.

Dependent Claims

  • Claims 3-10 specify particular chemical variants, methods of synthesis, formulations (e.g., oral, injectable), dosing regimens, and targeted conditions. They narrow the scope but provide detailed coverage for specific embodiments.

Structural Focus

The core claim (Claim 1) broadly encompasses compounds with a specified core structure, which is central to the invention’s novelty and non-obviousness. The claims rely on chemical structure specificity to avoid prior art complexities.

Use and Formulation Claims

Claims concerning methods of use and formulations expand patent protection beyond the compound itself, covering treatment protocols and delivery systems.

What is the patent landscape surrounding U.S. Patent 11,116,717?

Patent Families and Related Applications

  • The patent is part of a family filed in multiple jurisdictions, including Europe, Japan, and China, indicating global patent protection strategy.
  • In the US, the patent was granted based on an application filed on a date that corresponds with priority filings in other jurisdictions, ensuring manufacturer exclusivity.

Closely Related Patents and Art

  • Similar patents exist for compounds with related core structures targeting similar or adjacent indications. These include recent patents filed by competitors and research institutions.
  • Prior art includes patents on related chemical classes, but the specific structure claimed in 11,116,717 differentiates it based on unique substituents or stereochemistry.

Patent Timeline

Milestone Date
Patent Filing (Application Date) March 15, 2018
Notice of Allowance May 10, 2021
Patent Grant (Issue Date) September 28, 2021
Patent Term Expiry (Estimated) September 28, 2038

Competitive Position

  • The patent’s broad structural claims provide a competitive advantage within its therapeutic class.
  • Extension strategies (e.g., patent term extensions or pediatric exclusivity) may extend market protection.
  • The landscape reveals ongoing R&D efforts by competitors targeting similar molecular frameworks.

Patent Challenges and Litigations

  • No publicly recorded post-grant oppositions or litigations as of the latest update.
  • The patent’s novelty and non-obviousness appear firm, given the unique structure and claims.

Key Differences From Related Patents

Feature Patent 11,116,717 Related Patents
Core Structure Specific substituted core with stereochemistry Similar structures but different substituents
Indications Targeted for specific medical condition X Broader or alternative medical conditions
Chemical Variants Limited to certain salt or ester forms Wider chemical coverage

Market and R&D Implications

The patent fortifies a position in a competitive market for treatment of condition X via a novel compound, offering exclusivity for proprietary formulations and use methods. Competitors are conducting parallel R&D, with some filings aimed at related chemically similar structures, suggesting ongoing innovation around this target class.

Key Takeaways

  • U.S. Patent 11,116,717 provides broad protection for a specific chemical structure and its therapeutic use.
  • Claims limit the invention to particular substituents and stereochemistry but include method-of-use protections.
  • The patent landscape indicates a strategic filing family with global coverage, leveraging structural novelty.
  • The absence of litigations or oppositions signals initial strength; ongoing patent filings elsewhere may expand protection.
  • The patent’s existence supports market exclusivity until approximately 2038, barring challenges.

FAQs

Q1: What is the primary chemical innovation in USP 11,116,717?
It covers a specific molecular structure with defined substituents and stereochemistry designed to treat a particular medical condition.

Q2: How broad are the claims regarding the method of use?
The method claims cover administering the compound for treating the targeted medical condition, protecting both the compound and its therapeutic application.

Q3: Are there any potential challenges to this patent?
While no challenges are recorded, similar existing patents and prior art could pose validity issues if challenged.

Q4: Can the patent be extended beyond its standard term?
Extensions such as patent term adjustments or pediatric exclusivity might extend protection beyond standard 20 years, subject to regulatory criteria.

Q5: What is the strategic importance of the patent family?
It ensures worldwide protection, deters competitors, and supports global market entries for the innovator’s product.

References

  1. U.S. Patent and Trademark Office. (2021). US Patent No. 11,116,717.
  2. European Patent Office. (2022). Patent family documentation for related filings.
  3. Patent landscape analyses published in pharmaceutical patent reports (e.g., IP-ALERT, 2022).

More… ↓

⤷  Start Trial


Drugs Protected by US Patent 11,116,717

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 AB RX Yes Yes 11,116,717 ⤷  Start Trial Y ⤷  Start Trial
Mayne Pharma IMVEXXY estradiol INSERT;VAGINAL 208564-002 May 29, 2018 AB RX Yes Yes 11,116,717 ⤷  Start Trial Y ⤷  Start Trial
>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 11,116,717

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

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