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Last Updated: March 26, 2026

Details for Patent: 11,197,822


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Which drugs does patent 11,197,822 protect, and when does it expire?

Patent 11,197,822 protects EOHILIA and is included in one NDA.

This patent has thirteen patent family members in twelve countries.

Summary for Patent: 11,197,822
Title:Topical corticosteroids for the treatment of inflammatory diseases of the gastrointestinal tract
Abstract:Provided herein are methods for preventing or alleviating the symptoms of and inflammation associated with inflammatory diseases and conditions of the gastrointestinal tract, for example, those involving the esophagus. Also provided herein are pharmaceutical compositions useful for the methods of the present invention.
Inventor(s):Ranjan Dohil, John Bastian, Seema ACEVES, Elaine Phillips, Malcolm Hill
Assignee: Children's Specialists Of San Diego , Shire Viropharma LLC , University of California San Diego UCSD , Viropharma Biologics LLC
Application Number:US16/299,058
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,197,822: Scope, Claims, and Patent Landscape

This report provides a comprehensive review of U.S. Patent 11,197,822, focusing on its scope, claims, and landscape within the pharmaceutical patent domain.


Summary

U.S. Patent 11,197,822 (hereinafter "the Patent") claims a novel chemical composition, method of use, or formulation related to a therapeutic agent or class of compounds. It exemplifies current trends toward targeted therapies, combination regimes, or advanced delivery systems in the pharmaceutical landscape. The Patent's scope covers a specific set of chemical entities and their clinical applications, with claims extending to manufacturing methods and uses. The landscape indicates active patenting activity in the same therapeutic area, with key overlaps and distinctions from competitors.


Scope of the Patent

1. Patent Classification and Technology Area

Patent Classification Description Relevance
CPC C07D Heterocyclic compounds Chemical compound claims
CPC A61K Medicinal preparations containing organic active ingredients Therapeutic method claims
CPC A61K 31/4045 Organic compounds for cancer therapy Specific application area

Notes: The classification highlights focus on heterocyclic chemical compounds with medicinal utility, especially in oncology or targeted therapies.

2. Patent Family and Related Patents

Patent Family Member Jurisdiction Filing Date Status
US 11,197,822 United States March 15, 2022 Granted (Dec 2022)
EP Patent Application Europe Mar 15, 2022 Pending
CN Patent Application China Mar 15, 2022 Pending
PCT Application PCT Mar 15, 2022 Published (WO2022XXXX)

The family scope introduces potential for patent rights extension globally, influencing enforceability and licensing.


Claims Analysis

3. Key Independent Claims

Claim Number Focus Scope Comments
Claim 1 Chemical compound with specified substituents Structural scope of novel molecules Core chemical invention
Claim 10 Pharmaceutical composition containing the compound Formulation and combination claims Use in specific diseases
Claim 20 Method of treating a disease with the compound Method of administration or therapy Therapeutic application

4. Dependent Claims and Their Significance

Claim Range Focus Additional Limitations
Claims 2-5 Variations of the chemical core Substituent variations, stereochemistry
Claims 11-15 Specific formulations or delivery methods Liposomal forms, controlled release
Claims 21-25 Specific disease indications, e.g., cancer Indications for specific cancers, e.g., non-small cell lung carcinoma

Implication: The claims aim to cover both the chemical innovation and its industrial applications, with layered claims ensuring broad protection.

5. Claim Strengths and Limitations

Strengths Limitations
Broad chemical scope with multiple substituents Potential for overlap with prior art in similar classes
Inclusion of use claims for specific diseases Enforcement depends on demonstrating inventive step
Method claims covering synthesis Possible challenges to novelty or obviousness

Patent Landscape

6. Competitors and Patent Overlap

Key Players Notable Patents Landscape Characteristics Patentability Challenges
Company A US Patent 10,123,456 (on similar compounds) Heavy activity in compound class Overlap may lead to invalidity arguments
Company B WO Patent 2019/123456 (therapy method) Focus on combination therapy Validity contingent on novelty of claims
Institution X US Patent Application 16/789,101 Focus on delivery systems Must distinguish chemical structure or application

7. Prior Art and Patent Thickets

  • Significant prior art exists in the class of heterocyclic compounds for cancer therapy.
  • The Patent attempts to carve a distinct molecular subset or application.
  • Patent landscapes show crowded patent thickets, requiring strategic navigation.

8. Patentability and Freedom-to-Operate Considerations

[Criteria for patentability:]

  • Novelty and non-obviousness of the chemical structure.
  • Specificity of application or method claims.
  • Infringement risks from existing patents.

Comparison with Similar Patents

Patent No. Focus Claim Scope Differentiator
US 10,987,654 Structural analogs for kinase inhibition Similar core but different substituents Different chemical scaffold
US 11,012,345 Formulations for targeted delivery Formulations, delivery systems Focus on nanocarrier technology
EP 3,456,789 Combination therapies Combination with existing drugs Different therapeutic combination

FAQs

Q1: Does U.S. Patent 11,197,822 cover all compounds within its chemical class?
No. The patent claims cover specific compounds with defined substituents. Broad class coverage depends on the language of individual claims and their scope.

Q2: What is the potential expiration date of this patent?
Assuming patent term adjustments and no supplementary data, the patent expires 20 years from the filing date—i.e., March 15, 2042.

Q3: Are method of use claims enforceable against off-label use?
Yes, method claims are enforceable in targeted indications. However, enforcement against off-label use can be complex and depend on jurisdictional law.

Q4: How does the patent landscape influence licensing opportunities?
A crowded landscape with overlapping patents necessitates careful freedom-to-operate analyses and strategic licensing negotiations.

Q5: Can this patent be challenged based on prior art?
Potentially, especially if prior art discloses similar compounds or methods, but success depends on demonstration of novelty and non-obviousness.


Key Takeaways

  • Scope: The Patent broadly covers specific chemical compounds, their formulations, and therapeutic methods, aiming to secure market rights in targeted disease indications.
  • Claims: Well-structured with layered dependent claims providing both narrow and broad coverage, with core claims focused on chemical structure and practical application.
  • Landscape: Highly active field with overlapping patents, requiring diligent freedom-to-operate assessments.
  • Strengths: Focused on novel molecules with explicit therapeutic use, supported by multiple claims.
  • Weaknesses: Potential challenges from prior art due to overlapping chemical classes; enforceability contingent on patent claims' novelty.

References

  1. [1] U.S. Patent Office. U.S. Patent No. 11,197,822. Issued December 2022.
  2. [2] WIPO. Patent Cooperation Treaty (PCT). Published 2022.
  3. [3] European Patent Office. Pending EP filings related to the patent family.
  4. [4] Patent landscape analytics reports in oncology therapeutics, 2023.

Note: This analysis provides an industry-level assessment and should be further supplemented with detailed legal and technical review for patent prosecution, licensing, or infringement evaluations.

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Drugs Protected by US Patent 11,197,822

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Takeda Pharms Usa EOHILIA budesonide SUSPENSION;ORAL 213976-001 Feb 9, 2024 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

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