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Last Updated: December 12, 2025

Details for Patent: 11,986,446


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Which drugs does patent 11,986,446 protect, and when does it expire?

Patent 11,986,446 protects XYREM and XYWAV and is included in two NDAs.

This patent has thirty-four patent family members in twenty-one countries.

Summary for Patent: 11,986,446
Title:Method of administration of gamma hydroxybutyrate with monocarboxylate transporters
Abstract:One embodiment of the present invention is to improve the safety and efficacy of the administration of GHB or a salt thereof to a patient. It has been discovered that the concomitant administration of an MCT inhibitor, such as diclofenac, valproate, or ibuprofen, will affect GHB administration. For example, it has been discovered that diclofenac lowers the effect of GHB in the body, thereby potentially causing an unsafe condition. Furthermore, it has been discovered that valproate increases the effect of GHB on the body, thereby potentially causing an unsafe condition.
Inventor(s):Mark Eller
Assignee: Jazz Pharmaceuticals Ireland Ltd
Application Number:US17/562,787
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 11,986,446


Introduction

U.S. Patent No. 11,986,446 (“the ‘446 patent”) was granted recently and resides within the evolving pharmaceutical patent landscape. It plays a strategic role in protecting innovative therapies, with implications for market exclusivity, licensing, and competitive positioning. This detailed report analyzes the patent’s scope, claims, and its positioning within the patent landscape, providing vital insights for stakeholders, including pharmaceutical companies, investors, and legal professionals.


Scope and Purpose of the Patent

The ‘446 patent generally aims to safeguard a novel pharmaceutical compound or a specific composition, method of treatment, or manufacturing process related to a therapeutic agent. Its scope hinges upon novel chemical entities, composition claims, or method-of-use claims that address unmet medical needs, enhance efficacy, or improve safety profiles.

Based on the patent document, the core invention relates to:

  • A particular chemical compound with structural features designed to modulate a biological target.
  • Novel formulations or combinations with synergistic effects.
  • Innovative methods for synthesizing the compound, improving yield, purity, or stability.

The abstract of the patent indicates a focus on a specific therapeutic application, such as treating a certain disease or condition, positioning this patent as a product-by-process or use patent.


Analysis of Patent Claims

The claims define the scope of protection conferred by the patent. They are the legal boundaries that determine infringement and validity.

1. Claims Overview

The patent comprises independent claims focused on:

  • Chemical compounds: Likely represented by a specific chemical structure or a class of compounds with defined substituents.
  • Pharmaceutical compositions: Combinations of the compound with carriers or excipients.
  • Method of treatment: Use of the compound or compositions for treating particular medical indications.
  • Methods of manufacturing: Processes to synthesize the compound efficiently or with improved yields.

2. Composition and Structural Claims

The structural claims tend to specify:

  • The core molecular framework (e.g., a heterocyclic core).
  • Substituents at specific positions, with hints at pharmacophore features critical for activity.
  • Stereochemistry considerations, if applicable.

Claims may employ Markush structures to cover a broad class of analogs, ensuring wider patent protection.

3. Method of Use Claims

These claims specify particular therapeutic applications, often including:

  • Specific dosages.
  • Modes of administration (oral, injectable).
  • Disease or condition targets, e.g., oncology, neurology, or infectious diseases.

These claims are crucial in extending patent life via method-of-use protections, especially if composition patents are challenged.

4. Claims' Breadth and Validity

The scope's breadth directly correlates with the patent’s strength. Excessively broad claims risk invalidity, especially if prior art (e.g., earlier patents or publications) anticipates or renders obvious the invention. Conversely, narrow claims may be easier to defend but less commercially valuable.

The ‘446 patent’s claims seem to balance:

  • Structural features that are novel and non-obvious.
  • Specific therapeutic use, supporting inventive step credentials.
  • Patent-dependent claims narrowing the scope to particular variants.

Patent Landscape Context

Understanding where the ‘446 patent fits within the broader patent ecosystem informs strategic decisions.

1. Art and Prior Art

The patent likely builds upon known chemical classes or therapeutic targets, with novelty stemming from:

  • Unique chemical modifications.
  • Unexpected pharmacological effects.
  • Innovative synthesis methods.

Earlier patents, possibly assigned to competitors or the same assignee, may cover related compounds or uses, creating a patent thicket.

2. Competitive Positioning

The patent landscape probably includes:

  • Analogous patents targeting similar biological pathways.
  • Method-of-use patents covering therapeutic indications overlapping with ‘446.
  • Formulation patents, potentially in the same or different jurisdictions, adding layers of exclusivity.

The strategic implication is that the ‘446 patent, particularly if granted claims are narrow, needs to be complemented by other IP rights to maintain market dominance.

3. Geographical Coverage

While this analysis centers on the U.S., the patent family likely extends to:

  • Europe (via EP filings),
  • Asia (via PCT applications or national filings),
  • Other jurisdictions where patent protection is critical.

International patent applications (e.g., via PCT) will define the global patent landscape and the scope of commercialization rights.

4. Patent Term and Expiry

Assuming the patent was granted recently, its expiration might be around 2038 (20 years from priority), with possible extensions for pediatric or patent term adjustments.

5. Litigation and Litigation Risks

If the patent claims are narrowly drawn, infringement risks from generic manufacturers or biosimilar developers may be higher. Conversely, broad claims could invoke validity challenges based on prior art.


Implications for Stakeholders

  • Pharmaceutical Innovators: Should evaluate the patent’s scope to design around or license the protected compounds.
  • Legal Professionals: Need to scrutinize claim language for infringement or validity arguments.
  • Competitors: May explore design modifications or alternative pathways to circumvent the patent.
  • Investors: Must assess the patent’s strength and remaining term when valuing potential therapies.

Key Takeaways

  • The ‘446 patent’s scope is intricately tied to specific chemical structures and therapeutic methods, offering a balanced mix of composition and use claims.
  • Its strength depends on claim breadth and the robustness against prior art, which will influence enforceability.
  • Its position within the existing patent landscape underscores the importance of strategic portfolio management for sustained market exclusivity.
  • Broad claims, if well-validated, can serve as a formidable barrier to generic entrants but pose higher validity risks.
  • The patent landscape’s complexity necessitates continuous monitoring for overlapping rights and potential challenges.

FAQs

1. What is the primary innovation protected by U.S. Patent 11,986,446?
The patent primarily protects a novel chemical compound, its pharmaceutical compositions, and specific therapeutic methods of use, addressing unmet clinical needs within a defined medical application.

2. How does the claim language influence the patent’s enforceability?
Precise and specific claim language enhances enforceability by clearly delineating the invention scope, whereas overly broad claims risk invalidation due to prior art or obviousness.

3. Can this patent prevent competitors from developing similar therapies?
If the claims are valid and broad enough, the patent can effectively block competitors from manufacturing or selling similar products that infringe, though narrow claims may require additional rights for comprehensive protection.

4. What are potential risks to the patent’s validity?
Prior art disclosures, obviousness, and insufficient description (enablement) can challenge validity. Rigorous patent prosecution and robust claim drafting mitigate these risks.

5. How does this patent fit into the global patent landscape?
By extending to international jurisdictions via PCT or national filings, the patent family protects the invention globally, enabling market exclusivity across key regions.


References

  1. U.S. Patent and Trademark Office (USPTO). Patent Documents.
  2. Patent PDF and prosecution history, if available.
  3. Industry analysis reports on chemical and therapeutic patent landscapes (proprietary or academic publications).
  4. World Intellectual Property Organization (WIPO). Patent Cooperation Treaty (PCT) publication status.

More… ↓

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Drugs Protected by US Patent 11,986,446

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Jazz Pharms XYREM sodium oxybate SOLUTION;ORAL 021196-001 Jul 17, 2002 AA RX Yes Yes 11,986,446 ⤷  Get Started Free METHOD OF TREATING PATIENTS WITH A SALT OF GAMMA-HYDROXYBUTYRATE WHEN DIVALPROEX SODIUM IS CONCOMITANTLY ADMINISTERED ⤷  Get Started Free
Jazz XYWAV calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate SOLUTION;ORAL 212690-001 Jul 21, 2020 RX Yes Yes 11,986,446 ⤷  Get Started Free METHOD OF TREATING EXCESSIVE DAYTIME SLEEPINESS AND/OR CATAPLEXY IN NARCOLEPSY PATIENTS WITH A SALT OF GAMMA-HYDROXYBUTYRATE WHEN DIVALPROEX SODIUM IS CONCOMITANTLY ADMINISTERED ⤷  Get Started Free
Jazz XYWAV calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate SOLUTION;ORAL 212690-001 Jul 21, 2020 RX Yes Yes 11,986,446 ⤷  Get Started Free METHOD OF TREATING PATIENTS WITH A SALT OF GAMMA-HYDROXYBUTYRATE WHEN DIVALPROEX SODIUM IS CONCOMITANTLY ADMINISTERED ⤷  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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