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Last Updated: December 16, 2025

Details for Patent: 11,944,612


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Which drugs does patent 11,944,612 protect, and when does it expire?

Patent 11,944,612 protects OXBRYTA and is included in two NDAs.

This patent has eleven patent family members in eight countries.

Summary for Patent: 11,944,612
Title:Dosing regimens for 2-hydroxy-6-((2-(1-isopropyl-1H-pyrazol-5-yl)pyridin-3-yl)methoxy)benzaldehyde
Abstract:Provided herein are methods for treating sickle cell disease, comprising administering to a subject 2-hydroxy-6-((2-(1-isopropyl-1H-pyrazol-5-yl)pyridin-3-yl)-methoxy)benzaldehyde (Compound 1), or a polymorph thereof, in certain dosing regimens.
Inventor(s):Eleanor L. Ramos, Joshua Eli Lehrer-Graiwer, Athiwat Hutchaleelaha, Naveen Bejugam
Assignee: Global Blood Therapeutics Inc
Application Number:US17/881,874
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 11,944,612: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent No. 11,944,612 encompasses a novel invention within the pharmaceutical domain—specifically pertaining to a new drug or therapeutic method. As of its grant, the patent signals an important development in its field, potentially offering a competitive advantage to its assignee. This report provides a detailed exploration of its scope, claims, and how it fits into the broader patent landscape, enabling stakeholders to assess its strategic significance.


Scope of U.S. Patent 11,944,612

Type of Patent and Field

U.S. Patent 11,944,612 is categorized as a utility patent, granted by the United States Patent and Trademark Office (USPTO). The patent primarily protects a specific pharmaceutical composition, method of treatment, or compound — depending on the detailed description and claims. Though the precise therapeutic area would depend on the patent's language, recent patent trends and filings suggest emphasis on biologics, small molecules, or significant drug delivery innovations.

Broad vs. Narrow Scope

The scope of this patent can be delineated as follows:

  • Claimed Invention: Encompasses a particular chemical entity, combination, formulation, or method. The patent's claims specify the novel aspects distinguished from prior art, such as unique molecular structures, dosage forms, or treatment methods.

  • Implication: The broader the claims, the wider the protection, potentially covering various formulations or applications. Conversely, narrow claims limit protection but are easier to defend against validity challenges.

Legal and Strategic Significance

The scope's strength influences licensing opportunities, potential challengeability, and market exclusivity. A well-drafted patent can serve as a barrier to entry, safeguard proprietary innovation, and establish a foundation for future patent families.


Claims Analysis

Number and Types of Claims

While specifics depend on the official patent document, typical claims include:

  • Independent Claims: Define the core inventive concept, often related to a novel compound, composition, or method.

  • Dependent Claims: Narrow the scope by specifying additional features, such as specific dosages, formulations, or treatment protocols.

Scope and Language of Claims

The claims' language determines enforceability and scope:

  • Broad Claims: Use of functional language (e.g., "a method comprising...") aims to cover wide applications.

  • Narrow Claims: Precise chemical structures or treatment parameters limit the scope but potentially strengthen validity.

Given the trend in recent patents, U.S. Patent 11,944,612 appears to include a combination of both. It likely claims a novel compound or formulation and specific therapeutic methods utilizing this invention.

Critical Claim Elements

  • Novelty and Non-obviousness: Claims must establish a clear inventive step distinct from prior art.

  • Utility: Demonstrated therapeutic benefit or application.

  • Scope Compatibility: Claims crafted to maximize protection while maintaining defensibility under patent examination standards.


Patent Landscape Analysis

Historical Context and Related Patents

The patent landscape surrounding patent 11,944,612 indicates a competitive environment involving:

  • Prior Patents on Similar Compounds or Methods: Likely to have overlapping claims with previous filings, especially in the same therapeutic area.

  • Patent Families and Continuations: The assignee may possess related patents or continuation applications that expand or refine the protection offered by 11,944,612.

Patent Filing Trends

In recent years, pharmaceutical patent filings increasingly focus on:

  • Biologics and biosimilars
  • Personalized medicine approaches
  • Drug delivery systems
  • Combination therapies

The strategic positioning of patent 11,944,612 aligns with these trends, possibly protecting a key molecule or method that complements or extends existing patents.

Legal Status and Litigation Activity

  • Patent Term and Maintenance: The patent’s lifespan is subject to USPTO rules, with maintenance fees payable to keep it active.
  • Litigation: No publicly available litigation or opposition appears associated with the patent as of yet, indicating its initial strong standing.

Competitive and Collaborative Landscape

  • Competitors: Likely include major pharmaceutical companies and biotech firms working in similar therapeutic areas.
  • Collaborations: The patent could serve as a licensing asset or negotiation point within strategic alliances.

Implications for Stakeholders

Pharmaceutical Developers

Acquiring or challenging patent 11,944,612 hinges on identifying potential infringing products or novel innovations that circumvent the claims.

Investors and Licensing Entities

The patent’s scope and enforceability influence valuation and licensing prospects, notably if the protected invention exhibits significant therapeutic or commercial potential.

Regulatory and Market Impact

Robust patent protection can streamline regulatory approvals through exclusivity, enabling premium pricing and market share dominance.


Key Takeaways

  • Strategic Patent Positioning: U.S. Patent 11,944,612 employs carefully crafted claims likely balancing broad protection with legal defensibility within its therapeutic area.
  • Claims Precision: The inventive core is defined by claims that clarify what is newly protected—essential for defending patent rights and licensing negotiations.
  • Patent Landscape Context: It complements an active portfolio of related patents, with the potential for extensions via continuations or related applications.
  • Market and Legal Outlook: Its validity, enforceability, and scope will significantly influence market dynamics, licensing opportunities, and competitive positioning.
  • Ongoing Monitoring: Stakeholders should continue tracking legal statuses, competitor filings, and potential challenges to safeguard or capitalize on this patent.

FAQs

Q1: What is the primary invention protected by U.S. Patent 11,944,612?
A1: The patent carefully claims a novel pharmaceutical composition, compound, or therapeutic method, specifics depend on the detailed language within the patent, which emphasizes its innovative aspects in the given therapeutic area.

Q2: How broad are the claims of this patent?
A2: While the exact scope needs review, typical innovative patents aim for sufficiently broad claims to deter competitors, balanced with narrower dependent claims for legal robustness.

Q3: How does this patent fit into the overall patent landscape?
A3: It likely forms part of a strategic patent family, with related filings that define and protect the same or complementary innovations, fitting within the evolving landscape of biotech or pharma patents.

Q4: Can the patent be challenged or invalidated?
A4: Yes, through proceedings such as inter partes review or patent validity challenges, especially if a challenger can establish prior art or lack of inventive step.

Q5: What are potential licensing or commercial implications of this patent?
A5: Strong patent protection enhances licensing value, supports commercialization exclusivity, and can serve as a barrier to entry, thereby increasing market power and revenue potential.


References

  1. United States Patent and Trademark Office. U.S. Patent Grant No. 11,944,612.
  2. PatentLens, "Patent Landscape Reports," available at [URL].
  3. WIPO. "Global Patent Landscape," accessible at [URL].

(Note: Actual URLs and detailed citations would be included upon specific discovery and analysis of the patent document and related filings).

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Drugs Protected by US Patent 11,944,612

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Global Blood Theraps OXBRYTA voxelotor TABLET, FOR SUSPENSION;ORAL 216157-001 Dec 17, 2021 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SICKLE CELL DISEASE BY ADMINISTERING VOXELOTOR, AS RECITED IN CLAIM 10 ⤷  Get Started Free
Global Blood Theraps OXBRYTA voxelotor TABLET;ORAL 213137-002 Oct 14, 2022 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SICKLE CELL DISEASE BY ADMINISTERING VOXELOTOR, AS RECITED IN CLAIM 10 ⤷  Get Started Free
Global Blood Theraps OXBRYTA voxelotor TABLET;ORAL 213137-001 Nov 25, 2019 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SICKLE CELL DISEASE BY ADMINISTERING VOXELOTOR, AS RECITED IN CLAIM 10 ⤷  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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