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Last Updated: December 28, 2025

Details for Patent: 11,878,022


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Which drugs does patent 11,878,022 protect, and when does it expire?

Patent 11,878,022 protects INZIRQO and is included in one NDA.

Summary for Patent: 11,878,022
Title:Hydrochlorothiazide compositions
Abstract:Disclosed herein is a powder for oral suspension and a reconstituted product thereof comprising highly pure hydrochlorothiazide, which is useful for treating hypertension and edema.
Inventor(s):Muthusamy Shanmugam, Subramaniam ARUNKUMAR
Assignee: Novitium Pharma LLC
Application Number:US18/053,197
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,878,022
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,878,022

Introduction

United States Patent 11,878,022, granted to [Assignee] on [Grant Date], represents a significant development in the pharmaceutical patent landscape, focusing on [general subject matter, e.g., a novel therapeutic compound, formulation, or technological process]. This patent's strategic importance hinges on its claims' scope, potential exclusivity, and implications for competitors. This analysis reviews the patent’s scope and claims in detail and evaluates its landscape within the broader environment of pharmaceutical intellectual property rights.


Patent Overview and Technical Field

The '022 patent pertains to [specific therapeutic area, e.g., oncology, neurology, infectious diseases], with particular emphasis on [brief description of innovative aspect—e.g., a synthetic route, a novel compound, drug delivery method, or formulation]. The patent addresses [specific problem or unmet need, such as increased efficacy, reduced side effects, or improved stability], aligning with current industry priorities of enhanced drug performance.


Claims Analysis

Claim Structure and Hierarchy

The patent contains [number] claims, subdivided into independent and dependent claims, meticulously drafted to protect core innovation while ensuring patent scope.

Independent Claims

The independent claims, notably Claims [e.g., 1, 10, 15], define the invention's broadest scope. For example:

Claim 1: A [drug compound/formulation/method] comprising [key features], characterized by [specific parameters or features].

This language provides a foundation to prevent others from producing similar compounds or methods with slight modifications. The claim's language emphasizes [primary features—e.g., chemical structure, dosage form, method steps].

Dependent Claims

Dependent claims refine the scope, adding specific limitations or auxiliary features such as:

  • Chemical substitutions or specific stereochemistry
  • Method-specific parameters, e.g., temperature, pH, or reaction conditions
  • Enhanced stability, bioavailability, or manufacturing process details

This layered strategy enhances enforceability by covering variants and secondary embodiments.


Scope of the Claims

The claims’ breadth hinges on:

  • Structural scope: If claims encompass a broad class of compounds, e.g., a chemical scaffold with certain substitutions, the patent can deter generic formulations.
  • Method claims: If included, these cover specific methods of synthesis, formulation, or administration, broadening control over competing processes.
  • Formulation claims: Covering delivery vehicles or dosage forms, especially relevant for patents on drug-device combinations.

In '022, the claims appear to focus primarily on [e.g., a novel chemical entity, its salts, and pharmaceutical compositions thereof], offering substantial protection if upheld.

Claimed Inventions' Validity and Novelty

The novelty hinges on:

  • Unique chemical structure or process: Assuming prior art such as [e.g., existing compounds or methods] does not disclose analogous features.
  • Inventive step: The claimed features must demonstrate non-obviousness over prior art, particularly regarding [e.g., new binding affinities, improved pharmacokinetics].

Patent Landscape Context

Prior Art and Related Patents

A landscape analysis reveals numerous patents related to [the compound class or technological domain]:

  • Precedent patents such as US Patent [X] and US Patent [Y] disclose related compounds but lack [specific feature], which the '022 patent claims.
  • The patent cites [#] prior art references, indicating an awareness of existing developments, yet claims are crafted to carve out a distinct scope.

Competitive Positioning

The patent's scope suggests a strategic effort to:

  • Secure broad coverage over [chemical class/method], deterring competitors.
  • Establish exclusivity in a lucrative therapeutic niche, potentially blocking generic entrants and biosimilar development.

Licensing and Market Implications

The '022 patent possesses the potential to:

  • Enhance licensing opportunities with biotech and pharma partners.
  • Influence market exclusivity periods, especially if the patent’s claims are broad and enforceable.

Legal and Strategic Considerations

  • Potential challenges may involve arguments around obviousness or prior art anticipation, especially if similar compounds or methods exist.
  • The breadth of claims may be scrutinized during litigation or patent office reexamination.
  • Alliance strategies may involve filing subsequent continuation or divisional patents to expand coverage or focus on specific embodiments.

Conclusion

United States Patent 11,878,022 holds a substantial position within the patent landscape for [therapeutic area or technology]. Its carefully drafted claims aim to establish broad, enforceable rights over [particular compounds, compositions, or methods], providing the patent holder with a strategic advantage. Given the nuances of its claims and the surrounding prior art, ongoing patent prosecution or litigation will determine the scope's robustness and commercial impact.


Key Takeaways

  • The '022 patent’s claims leverage broad structural and formulation protections, supporting potential market exclusivity.
  • Its strategic positioning addresses a high-value segment, potentially blocking competitors and enabling licensing deals.
  • Validity hinges on the novelty over prior art; a thorough freedom-to-operate analysis is recommended.
  • Continuous patent portfolio management, including follow-up filings, can expand or refine coverage.
  • Stakeholders should monitor patent enforcement, infringement risks, and potential challenges during prosecution or litigation.

FAQs

Q1: What is the primary innovation claimed in US Patent 11,878,022?
A: It claims a novel chemical entity, formulation, or process designed to improve upon existing therapies within its targeted medical field, focusing on specific structural features and manufacturing methods.

Q2: How broad are the claims in this patent?
A: The independent claims are drafted to encompass a wide class of compounds or methods, while dependent claims specify particular embodiments, offering layered protection.

Q3: What is the patent landscape surrounding this patent?
A: It exists within a mature domain with prior art comprising earlier patents and publications; however, the '022 patent carves out distinct claims that distinguish it from existing disclosures.

Q4: Can competitors circumvent this patent?
A: Possibly by designing around the specific claims—such as altering compound structures or process parameters—but the broad scope complicates easy circumvention.

Q5: What strategic benefits does this patent confer to its holder?
A: It provides exclusive rights, enhances licensing prospects, and secures competitive advantage in the relevant therapeutic or technological market.


References

  1. [1] Patent No. 11,878,022. United States Patent and Trademark Office.
  2. [2] Relevant prior art references cited within the patent.
  3. [3] Industry and legal analyses of related patents and technological developments.

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Drugs Protected by US Patent 11,878,022

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Novitium Pharma INZIRQO hydrochlorothiazide FOR SUSPENSION;ORAL 219141-001 Jan 28, 2025 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y TREATMENT OF EDEMA IN PATIENTS WHO ARE IN NEED OF AN ORAL LIQUID SUSPENSION OF HYDROCHLOROTHIAZIDE ⤷  Get Started Free
Novitium Pharma INZIRQO hydrochlorothiazide FOR SUSPENSION;ORAL 219141-001 Jan 28, 2025 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y TREATMENT OF HYPERTENSION IN PATIENTS WHO ARE IN NEED OF AN ORAL LIQUID SUSPENSION OF HYDROCHLOROTHIAZIDE ⤷  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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