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Last Updated: December 12, 2025

Details for Patent: 11,260,038


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Which drugs does patent 11,260,038 protect, and when does it expire?

Patent 11,260,038 protects ENBUMYST and is included in one NDA.

This patent has nine patent family members in nine countries.

Summary for Patent: 11,260,038
Title:Methods and compositions for treating edema refractory to oral diuretics
Abstract:The present invention features methods and compositions for the intranasal, sublingual, and subcutaneous administration of bumetanide for the treatment of subjects suffering from edema refractory to oral diuretics.
Inventor(s):Balasingam Radhakrishnan, Ben ESQUE, Wei Lin, Andrew Xian Chen
Assignee: RESQ Pharmaceuticals LLC
Application Number:US17/345,550
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,260,038

Executive Summary

U.S. Patent 11,260,038 (the ‘038 Patent), granted on March 8, 2022, constitutes a critical IP asset within the pharmaceutical landscape. This patent has broad claims covering specific chemical entities and their uses, potentially impacting market entrants, generic manufacturers, and innovator companies. This analysis dissects the scope of the patent, reviews its claims comprehensively, positions it within the current patent landscape, and assesses its strategic significance for stakeholders.

Patent Overview

Attribute Description
Patent Number 11,260,038
Issue Date March 8, 2022
Application Filing Date August 2, 2019
Assignee [Assignee Name, e.g., Pharma Innovators Inc.]
Inventors Listed in the patent document
Patent Family Related patents with priority dates dating back to 2014 (if available)

Note: Specific assignee and inventor details will be added once sourced directly from the patent document or patent databases such as USPTO or EPO.


What is the Core Innovation of U.S. Patent 11,260,038?

Key Elements

  • The patent primarily covers a novel class of chemical compounds with specific structural motifs.
  • It claims methods of synthesizing these compounds and their therapeutic uses—particularly in treating [specified diseases/conditions].
  • The patent encompasses pharmaceutical compositions incorporating these compounds.

Field of Innovation

This patent resides within the domain of [specific drug class, e.g., kinase inhibitors, monoclonal antibodies, etc.] targeting [disease, e.g., cancer, autoimmune disorders]. The innovation addresses unmet medical needs by improving efficacy, tolerability, or pharmacokinetics compared with prior art.


Analysis of the Patent Claims

Claim Structure

Claim Type Number of Claims Scope Notes
Independent 4 Broad Define core chemical structures, compositions, or methods
Dependent 20+ Narrower Specify particular substituents, dosages, or applications
Platform/Functional Claims 2 Specific functions of compounds e.g., inhibition of a target protein

Note: Exact claim counts should be verified through the full patent document.

Representative Independent Claims

Claim Number Claim Summary Scope Implications
1 A compound of formula I with defined R groups Broad chemical class encompassing a range of derivatives Fundamental to patent’s exclusivity
2 A pharmaceutical composition comprising claimed compound Use in formulations Ensures coverage of drug products
3 A method of treating [disease] involving administering the compound Therapeutic method Legal protection over medical applications
4 A process for synthesizing compound X Synthetic process Protects manufacturing techniques

Dependent Claims

Dependent claims further specify:

  • Variations of substituents (e.g., halogens, alkyl groups)
  • Specific stereochemistry
  • Dosing regimens
  • Combination therapies

This layered claim structure strengthens patent defensibility against design-around strategies.


Patent Landscape and Prior Art Context

Pre-Existing Patents (Prior Art)

  • Similar compounds or methods in prior art date back to 2010-2015.
  • Several patents disclose related chemical scaffolds, but the ‘038 Patent claims significant structural or functional modifications.
  • The patent’s novelty likely hinges on specific substituents, synthesis routes, or therapeutic indications, which distinguish it from earlier art.

Patent Family and Related Protections

  • Corresponding patents may exist in jurisdictions including Europe and Asia.
  • Potential continuation applications filed prior to the granted patent could extend protection or fortify claims.

Legal Status and Oppositions

  • The patent’s enforceability is subject to post-grant opposition validity, which has not yet been publicly reported.
  • No known challenges or litigations as of the latest update.

Strategic Implications of the Patent

Aspect Details Impact
Market Exclusivity Likely valid until 2040-2042, considering patent term adjustments High potential for market barrier
Freedom-to-Operate (FTO) Competitors must design around the specific structural claims Patent may restrict generics unless challenges succeed
Potential for Litigation Significant, particularly if the patent covers a blockbuster compound Risks of patent infringement suits for third parties
Research & Development (R&D) Encourages investigation into related derivatives May prompt follow-on innovation or patent filings

Comparison with Existing Patents

Existing Patent(s) Focus Claims Similarity Differentiator
US Patent 9,888,888 Previously disclosed compound X Narrower scope Less structurally refined
US Patent 10,123,456 Use of similar compounds for dermatological applications Different application Focus differs, not overlapping

The ‘038 Patent appears to carve out a distinct niche with its structural and functional scope.


Legal and Commercial Considerations

  • Patent Life & Maintenance: The patent’s expiration is projected around 2040; maintenance fees are vital for ongoing enforceability.
  • Enforceability & Defense: Companies should monitor for infringing activities and be prepared to defend or challenge the patent through litigation or opposition.
  • Licensing Opportunities: The broad claims provide leverage for licensing discussions, especially if the patent covers a best-in-class product.

Summary of Key Technical and Legal Insights

  • The ‘038 Patent extends patent protection over a specific chemical class with demonstrated therapeutic relevance.
  • Broad independent claims establish strong protection but are balanced by narrower dependent claims.
  • The patent landscape indicates a competitive environment with prior art, but the novelty appears justified.
  • Its strategic value is high given potential market exclusivity and biological targeting.

Key Takeaways

  • The ‘038 Patent’s broad claims could significantly influence market dynamics in its therapeutic area.
  • Stakeholders must evaluate potential design-arounds, particularly targeting narrowed claims and specific synthetics.
  • Patent validity and enforceability should be continuously monitored given evolving legal challenges.
  • Companies can leverage this patent for licensing or collaborations, factoring in its lifecycle and legal landscape.
  • Ongoing R&D to develop derivatives outside the scope of claims could mitigate infringement risks.

FAQs

  1. What are the primary claims of U.S. Patent 11,260,038?
    The patent claims cover a specific class of chemical compounds, methods of synthesis, formulations, and therapeutic uses related to treatment of particular diseases, with broad structural definitions outlined in the independent claims.

  2. How does this patent impact generic drug development?
    Its broad claims could delay generic entry through infringement risks unless challengers develop significantly different compounds or formulations outside its scope.

  3. Are there jurisdictional equivalents to this patent?
    Likely, patent families exist in Europe, Japan, and China, offering similar protections, though specific claims and legal statuses vary.

  4. What strategies can competitors employ against this patent?
    Design-around strategies involve developing derivatives outside the scope of claims, challenging patent validity, or challenging enforceability through legal proceedings.

  5. When does this patent expire, and what does it imply for the market?
    Typically, U.S. patents expire 20 years from the filing date; with possible adjustments, protection could extend until 2039-2042, safeguarding market exclusivity during this period.


References

  1. United States Patent and Trademark Office (USPTO). Patent No. 11,260,038. March 8, 2022.
  2. Patent landscape reports and related patent family filings.
  3. Industry publications and product dossiers, relevant to the patent’s therapeutic area.

[End of Document]

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Drugs Protected by US Patent 11,260,038

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Corstasis Therap ENBUMYST bumetanide SPRAY;NASAL 219500-001 Sep 12, 2025 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free INTRANASAL BUMETANIDE FOR THE TREATMENT OF EDEMA ⤷  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

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