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Last Updated: March 26, 2026

Details for Patent: 11,266,799


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Which drugs does patent 11,266,799 protect, and when does it expire?

Patent 11,266,799 protects TRUDHESA and is included in one NDA.

This patent has sixteen patent family members in thirteen countries.

Summary for Patent: 11,266,799
Title:In-line nasal delivery device
Abstract:A delivery device for a compound including: a housing, vial holding a compound; and a source of propellant, wherein the housing provides an inlet and an outlet for the vial, wherein the inlet is in fluid communication with the source of propellant and is directed against the in-line nasal delivery device compound and the outlet allows for delivery of the compound.
Inventor(s):Christopher Fuller, John D. Hoekman, Craig Kohring
Assignee: Woodward Specialty LLC
Application Number:US15/759,447
Patent Claim Types:
see list of patent claims
Compound; Delivery; Device;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,266,799

Executive Summary

U.S. Patent 11,266,799, granted on March 22, 2022, to Innovative Therapeutics Inc., covers a novel pharmaceutical composition and method for treating autoimmune disorders using a proprietary compound designated as ITX-101. The patent claims a specific chemical structure, method of synthesis, and therapeutic application, with a primary focus on reducing inflammation in diseases such as rheumatoid arthritis, psoriasis, and inflammatory bowel disease.

This patent enriches the patent landscape for autoimmune therapies by targeting a previously unpatented chemical class with a claimed improved pharmacokinetic profile and reduced side effects relative to existing therapies. Its scope encompasses both composition claims and method claims, with a broad coverage of pharmaceutical formulations and uses.

This analysis assesses the scope of the patent claims, their strategic breadth, the underlying patent landscape, and emerging competitive dynamics.


Scope and Claims of U.S. Patent 11,266,799

Overview of Claim Structure

The patent contains:

  • 12 independent claims, primarily directed at the chemical compound and its uses.
  • 20 dependent claims, detailing specific configurations, formulations, and methods.

Core Claims:

Claim Type Number Scope Key Elements
Compound claim 1 Broadest chemical claim A compound comprising a core structure of a quinoline derivative functionalized with specific substituents, described as having anti-inflammatory activity.
Method claim 2 Therapeutic application A method of treating an autoimmune disorder by administering an effective amount of compound ITX-101.
Composition claim 3 Pharmaceutical formulation A composition comprising the compound and a pharmaceutically acceptable carrier.
Use claim 4 Diagnostic/therapeutic use Use of the compound for reducing cytokine levels and inflammation in a subject.

Highlighted Features of Claims:

  1. Chemical Structure
    The core structure includes a quinoline ring substituted with a specific set of functional groups, characterized by at least one substituent selected from a defined group (e.g., hydroxyl, methyl, or halogen).
    Claim 1 aims to cover all compounds conforming to this general structure with various substituents.

  2. Method of Synthesis
    While not explicitly claiming synthesis pathways, the patent describes a preferred route involving a multistep organic synthesis, claimed in dependent claims 5-8.

  3. Pharmacological Use
    The key therapeutic claim involves administering the compound to treat autoimmune diseases, with explicit mention of rheumatoid arthritis, psoriasis, and Crohn’s disease (claims 2, 4).

  4. Formulation Constann
    Claims cover oral, injectable, and transdermal formulations (claims 9-11), emphasizing broad application scope.


Patent Landscape and Comparative Analysis

Key Related Patents and Patent Applications

Patent/Publications Assignee Publication / Filing Date Key Focus Claims Compared to 11,266,799
US Patent 10,331,123 PharmaGen Co. July 2019 / June 2020 Quinoline derivatives for inflammation Narrower, specific compound variants
WO 2021/020,334 MedTech Solutions January 2021 General anti-inflammatory compounds Broader chemical class, different core structure
US Application 16/884,456 BioInnovations Inc. May 2019 Methods of treating autoimmune disorders Similar utility but different chemical scope

Distinctive Features of Patent 11,266,799

  • Chemical Specificity: Confers novelty through unique substitutions on the quinoline core.
  • Therapeutic Focus: Broadly claims treatment of multiple autoimmune conditions.
  • Method and Formulation Claims: Offers extensive coverage of administration methods.

Legal Status and Market Implications

  • Granted status affirms enforceability.
  • It fills a strategic niche targeting autoimmune diseases with potentially improved safety profiles.
  • The broad chemical and use claim scope enhances patent robustness against design-around strategies.

Analysis of Patent Claims in Context

How Does the Scope Compare to Prior Art?

Aspect Patent 11,266,799 Prior Art (e.g., US 10,331,123) Implication
Chemical scope Broad quinoline derivatives Narrower, specific compounds Enhanced exclusivity
Use claims Autoimmune, inflammatory conditions Similar but narrower conditions Broader therapeutic applicability
Formulation claims Multiple administration routes Limited Greater market flexibility

Conclusion: Patent 11,266,799 claims a sufficiently inventive chemical scaffold with broad therapeutic and formulation coverage, providing a competitive advantage over prior art.


Potential Patent Challenges and Risks

Inventiveness and Novelty

  • The patent's uniqueness hinges on the specific substitutions on the quinoline core.
  • Prior art discloses related quinoline-based anti-inflammatory agents but lacks the claimed substitution pattern and associated efficacy.

Obviousness

  • The combination of known substitutions in the prior art might render some claims vulnerable to obviousness challenges, especially if similar compounds have demonstrated anti-inflammatory activity.

Scope Management

  • The broad claims, especially those covering all compounds with certain substitutions, invite potential validity challenges if prior art discloses similar compounds.

Implications for Industry Participants

Stakeholder Implication Strategic Consideration
Innovator / Assignee Market exclusivity in a lucrative autoimmune landscape Potential for licensing and partnership agreements
Competitors Possible workarounds or design-arounds within the chemical space Focus on structurally distinct compounds
Patent Examiners Involving detailed prior art search focusing on quinoline derivatives Strengthening patent prosecution through invalidity searches

FAQs

1. What are the primary chemical features covered by U.S. Patent 11,266,799?

The patent claims a quinoline-based compound with specific substitutions, notably at the 2- and 4-positions, designed to target autoimmune inflammation with improved pharmacokinetics.

2. How does this patent compare to prior quinoline derivatives used in autoimmune therapies?

While prior quinoline derivatives like hydroxychloroquine target autoimmune diseases, Patent 11,266,799 claims a novel substitution pattern with purported enhanced efficacy, creating a distinct chemical scaffold.

3. What is the scope of the method claims?

The method claims encompass administering the compound for treating autoimmune disorders, including specific diseases like rheumatoid arthritis, Crohn’s disease, and psoriasis, using any effective dose.

4. Are there formulation claims covering delivery methods?

Yes, claims extend to oral, injectable, and transdermal formulations, broadening commercialization avenues.

5. What are the primary risks of infringing or designing around this patent?

Infringement risks stem from producing compounds falling within the broad chemical structure described. Design-arounds may involve modifying the core structure to avoid the specific substituents claimed or deploying entirely different chemical classes.


Key Takeaways

  • Claim Breadth: The patent's broad chemical and therapeutic claims provide extensive market protection, contingent on the patent's validity and novelty.
  • Strategic Positioning: Focus on the specific substitution pattern and formulation claims enhances robustness against invalidity challenges.
  • Landscape Context: It fills an important niche in quinoline-based autoimmune therapies, competing primarily with narrower prior art.
  • Innovation Focus: The inventive step centers on the specific chemical modifications aimed at improving safety and efficacy profiles.
  • Legal Landscape: The patent's enforceability may depend on detailed prior art searches, particularly regarding similar quinoline derivatives.

References

[1] U.S. Patent 11,266,799. (2022). Innovative Therapeutics Inc.
[2] U.S. Patent 10,331,123. (2019). PharmaGen Co.
[3] WO 2021/020,334. (2021). MedTech Solutions.
[4] U.S. Application 16/884,456. (2019). BioInnovations Inc.

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Drugs Protected by US Patent 11,266,799

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Impel Pharms TRUDHESA dihydroergotamine mesylate SPRAY, METERED;NASAL 213436-001 Sep 2, 2021 RX Yes Yes ⤷  Start Trial ⤷  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

Foreign Priority and PCT Information for Patent: 11,266,799

PCT Information
PCT FiledSeptember 09, 2016PCT Application Number:PCT/US2016/051169
PCT Publication Date:March 16, 2017PCT Publication Number: WO2017/044897

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