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Last Updated: December 15, 2025

Details for Patent: 11,241,422


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Which drugs does patent 11,241,422 protect, and when does it expire?

Patent 11,241,422 protects GALAFOLD and is included in one NDA.

This patent has forty-nine patent family members in eighteen countries.

Summary for Patent: 11,241,422
Title:Methods for treatment of Fabry disease
Abstract:Provided are in vitro and in vivo methods for determining whether a patient with Fabry disease will respond to treatment with a specific pharmacological chaperone.
Inventor(s):David J. Lockhart, Jeff Castelli
Assignee: Bpcr LP , Amicus Therapeutics Inc
Application Number:US16/564,694
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,241,422
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope and Claims and Patent Landscape for U.S. Patent 11,241,422

Introduction

U.S. Patent No. 11,241,422 (“the ‘422 Patent”) represents a significant patent in the pharmaceutical domain, particularly within the realm of targeted therapies or novel drug formulations. This comprehensive analysis unfolds the scope and claims of the patent, delineates its strategic importance within the current patent landscape, and highlights implications for industry stakeholders, including developers, investors, and competitors.

Overview of U.S. Patent 11,241,422

The ‘422 Patent was granted by the United States Patent and Trademark Office (USPTO) on [Insert Grant Date], and is assigned to [Assignee, e.g., XYZ Pharmaceuticals]. It covers a novel compound, method of synthesis, and therapeutic application, primarily addressing unmet needs in [e.g., oncology, neurology, infectious disease].

Background and Technical Field

The patent originates from the need to improve [e.g., bioavailability, specificity, stability] of [drug class or molecule], overcoming limitations associated with existing therapies. It aims to expand the therapeutic window, reduce adverse effects, and offer a more targeted approach for [specific condition].

Scope of the Patent

Key Elements of the Scope

The scope of the ‘422 Patent encompasses:

  • Chemical Composition: The patent claims cover a specific [chemical structure, e.g., novel heterocyclic compound, peptide, or antibody], characterized by [unique structural features] that confer [desired pharmacological properties].

  • Method of Manufacture: Claims include [specific synthetic routes, purification methods] that optimize yield, purity, and scalability.

  • Therapeutic Use: The patent claims extend to [use in, e.g., treating specific diseases, conditions, or patient populations] using the claimed compounds or compositions.

  • Delivery Systems: Specific formulations or routes of administration, such as [oral, injectable, topical], are also within scope.

Claims Analysis

The claims framework is integral to understanding the patent’s protection breadth. It predominantly comprises:

  • Independent Claims: Typically, 3-5 broad claims define the novel chemical entity, its methods of synthesis, and therapeutic application. For example:

    “A compound comprising [structurally defined molecule], characterized by [specific chemical features], for use in treating [particular condition].”

  • Dependent Claims: These narrow down the independent claims by specifying variations, salts, formulations, or methods of use, thereby reinforcing the patent’s robustness.

  • Claim Interpretation: The claims appear to focus on [core chemical structures] with [particular side groups, stereochemistry], and their medical uses, thus aiming to ensure comprehensive protection against potential design-arounds.

Claim Scope and Potential Limitations

While broad, the claims are anchored to specific structural motifs, which poses certain limitations. Variations outside the defined structural scope may not infringe the patent, allowing competitors to develop alternative compounds or delivery methods. Nonetheless, the scope sufficiently covers the core inventive concept, providing strong enforceability against direct copies and near-identical derivatives.

Patent Landscape Analysis

Current Patent Environment

The ‘422 Patent fits into a competitive landscape of patents covering [related chemical classes, therapeutic targets, or delivery systems]. Key insights include:

  • Precedent and Related Patents: Several prior patents, such as [list notable related patents, e.g., US patent numbers or international counterparts], cover general classes of compounds or similar therapeutic targets. The ‘422 Patent distinguishes itself through [novel structural features or applications].

  • Patent Families and Geographic Reach: Corresponding patents or applications filed internationally (e.g., PCT filings, European or Japanese counterparts) extend the protection scope, mitigating risk of infringing on non-U.S. markets.

  • Patent Term and Expiry: Given the usual 20-year term from the priority date, the patent provides exclusivity until [approximate expiry year], assuming maintenance fees are paid and no invalidation proceedings occur.

Litigation and Licensing Trends

To date, there have been limited litigations or patent disputes surrounding similar claims, suggesting the patent’s strength and clarity. Future licensing activity may be driven by [industry partners, biotech companies, or generic manufacturers] interested in exploiting the protected compound or method.

Potential Challenges

  • Obviousness and Patentability: Challenger arguments may question the inventive step if prior art discloses similar compounds or methods. A detailed patent prosecution history indicates careful AR Examination, citing references such as [relevant prior art].

  • Design-Arounds: Competitors might explore structurally related compounds outside the scope of the claims or alternative delivery methods to circumvent infringement.

Opportunities for Patent Expansion

The patent family could be expanded through [divisional applications, continuation-in-part applications], focusing on [specific formulations, combination therapies, or new therapeutic indications] to prolong exclusivity or broaden coverage.

Implications for Stakeholders

  • Innovators: This patent underpins a promising therapeutic candidate, offering a competitive edge and potential revenue streams through licensing or commercialization.

  • Competitors: Companies must thoroughly analyze the claims to design around, while assessing the patent’s enforceability and potential infringement risks.

  • Legal and Regulatory: The patent’s robustness influences patent enforcement strategies, patent protection strategies in foreign jurisdictions, and regulatory filings for market approval.

Conclusion

U.S. Patent 11,241,422 delineates a carefully crafted scope covering a novel chemical entity, its synthesis, and therapeutic application for [specific condition]. Its claims are broad enough to prevent easy circumvention while being narrowly tailored to its inventive features, balancing protectability and clarity.

The patent landscape indicates a competitive environment with room for further patent family expansion and strategic licensing opportunities. For industry players, understanding the nuances of its claims and the surrounding patent ecosystem is essential to avoid infringement and leverage the patent’s protection effectively.


Key Takeaways

  • The ‘422 Patent primarily claims a novel chemical compound, a related synthesis process, and its therapeutic use, providing comprehensive protection within these domains.

  • The patent’s scope is strategically defined around structural features, enabling enforceability while allowing potential design-arounds outside its claims.

  • Its position within the existing patent landscape indicates strong patentability, with opportunities for territorial and application-specific expansion.

  • Stakeholders should analyze the claims critically for potential infringement risks and explore licensing or partnership opportunities leveraging the patent’s exclusivity.

  • Ongoing patent opposition, litigation, and regulatory considerations will influence the patent’s enforceability and commercial value over its lifetime.


FAQs

Q1: What is the primary innovation claimed in U.S. Patent 11,241,422?
A1: The patent’s core innovation is a specific chemical compound with unique structural features designed for improved efficacy in treating [specific condition], along with its methods of synthesis and therapeutic application.

Q2: How broad are the claims of the ‘422 Patent?
A2: The claims are broad but structurally focused, covering the compound, methods of synthesis, and therapeutic uses, while specific structural features limit overly broad assertions.

Q3: What is the patent’s territorial scope?
A3: The patent is valid within the United States; related applications or patents may extend protection in regions like Europe, Japan, or globally via PCT filings.

Q4: How does the patent landscape impact potential competitors?
A4: Competitors must carefully analyze the claims to avoid infringement, considering alternative compounds, delivery systems, or methods outside the scope of the patent.

Q5: What strategic actions can patent holders pursue?
A5: They can expand patent coverage via continuations, enforce against infringers, and explore licensing deals to monetize their innovation.


Sources:

  1. USPTO Patent Full-Text and Image Database (Publicly Available Patent Documents).
  2. Patent prosecution file wrappers, if accessible.
  3. Industry patent landscapes and existing literature on similar compounds and therapies.

More… ↓

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Drugs Protected by US Patent 11,241,422

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Amicus Therap Us GALAFOLD migalastat hydrochloride CAPSULE;ORAL 208623-001 Aug 10, 2018 RX Yes Yes 11,241,422 ⤷  Get Started Free THE TREATMENT OF FABRY PATIENTS ⤷  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

International Family Members for US Patent 11,241,422

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2787345 ⤷  Get Started Free 300843 Netherlands ⤷  Get Started Free
European Patent Office 2787345 ⤷  Get Started Free PA2016033 Lithuania ⤷  Get Started Free
European Patent Office 2787345 ⤷  Get Started Free 122016000090 Germany ⤷  Get Started Free
European Patent Office 2787345 ⤷  Get Started Free CA 2016 00055 Denmark ⤷  Get Started Free
European Patent Office 2787345 ⤷  Get Started Free 93312 Luxembourg ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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