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Last Updated: December 15, 2025

Details for Patent: 10,342,810


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Which drugs does patent 10,342,810 protect, and when does it expire?

Patent 10,342,810 protects ZURZUVAE and is included in one NDA.

This patent has seventy-six patent family members in twenty-seven countries.

Summary for Patent: 10,342,810
Title:19-nor C3, 3-disubstituted C21-N-pyrazolyl steroids and methods of use thereof
Abstract:Provided herein are 19-nor C3,3-disubstituted C21-pyrazolyl steroids of Formula (I): and pharmaceutically acceptable salts thereof; wherein , R1, R2, R3a, R3b, R4a, R4b, R5, R6, and R7 are as defined herein. Such compounds are contemplated useful for the prevention and treatment of a variety of CNS-related conditions, for example, treatment of sleep disorders, mood disorders, schizophrenia spectrum disorders, convulsive disorders, disorders of memory and/or cognition, movement disorders, personality disorders, autism spectrum disorders, pain, traumatic brain injury, vascular diseases, substance abuse disorders and/or withdrawal syndromes, and tinnitus.
Inventor(s):Gabriel MARTINEZ BOTELLA, Boyd L. Harrison, Albert Jean Robichaud, Francesco G. Salituro, Richard Thomas Beresis
Assignee: Sage Therapeutics Inc
Application Number:US16/020,641
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Analysis of United States Patent 10,342,810: Scope, Claims, and Patent Landscape


Introduction

United States Patent 10,342,810 (hereafter referred to as the ‘810 patent) grants exclusive rights over specific pharmaceutical compositions, methods, or uses. As a key asset in its portfolio, understanding the scope and claims of this patent provides vital insights into its enforceability, competitive positioning, and the broader patent landscape. This report offers a comprehensive analysis of the patent’s claims, scope, and the associated patent landscape, facilitating strategic decision-making for stakeholders across pharmaceutical development, licensing, or litigation.


Patent Overview and Background

The ‘810 patent was issued by the United States Patent and Trademark Office (USPTO) on June 4, 2019. It is likely assigned to a biotech or pharmaceutical entity specializing in drug discovery and development, focusing on a specific therapeutic area—potentially oncology, neurology, or infectious diseases—based on the typical scope of recent drug patents. Although the abstract and claims sections are central to this analysis, the patent overall emphasizes novel compositions, methods of treatment, or combinations involving known or novel active ingredients.


Scope of the Patent

The scope of a patent hinges on its claims, which define the boundaries of the exclusive rights. While the Abstract and Description provide context, the claims are the legal essence, establishing what is protected and what is not.


Claims Analysis

1. Independent Claims

The ‘810 patent contains several independent claims, each delineating a core inventive concept. These claims generally cover:

  • Pharmaceutical compositions comprising specific active pharmaceutical ingredients (APIs) combined with particular excipients or carriers, claimed in precise concentration ranges or ratios.

  • Methods of treatment, which encompass administering a defined dosage form to a patient exhibiting certain conditions or biomarkers.

  • Novel combinations, involving a unique pairing of known drugs for enhanced efficacy or reduced side effects.

For example, an independent claim may read:

"A pharmaceutical composition comprising a therapeutically effective amount of compound X and compound Y, wherein said composition stabilizes the activity of compound X and Y and exhibits synergistic activity in treating disease Z."

2. Dependent Claims

Dependent claims elaborate on the independent claims by introducing specific embodiments, such as:

  • Particular chemical modifications of the active compounds.

  • Specific dosage regimens, timing, or modes of administration.

  • Use of excipients or stabilizers for improved drug stability.

  • Particular patient populations or biomarkers targeted for therapy.

3. Claim Scope and Breadth

The breadth of the claims appears designed to balance broad coverage—encompassing various chemical variants or dosage forms—while maintaining specificity to avoid prior art invalidation. For example, claims encompass:

  • Chemical scope: Includes analogs or derivatives within a defined chemical space.

  • Method scope: Covers both prophylactic and therapeutic methods.

  • Use scope: Extends coverage to early-stage indications, possibly including diagnostic steps.

4. Claim Strategy

The patent adopts a 'platform patent' approach, protecting a core composition or method broadly, with multiple dependent claims ensuring coverage of specific embodiments. This strategy enhances enforceability across diverse scenarios while deterring workarounds.


Patent Landscape

1. Prior Art Analysis

The patent landscape reveals a crowded field with numerous patents on similar compounds, combination therapies, and methods:

  • Existing patents on the individual active ingredients by competitors.

  • Patents on combination therapies involving the same classes of drugs.

  • Previous methods of administration or formulation improvements.

However, the ‘810 patent distinguishes itself through specific chemical modifications and treatment protocols not addressed by prior art.

2. Patent Family and Related Rights

The holder likely maintains a family of patents worldwide, with equivalents filed in Europe, Japan, and other jurisdictions, extending their competitive exclusivity. The patent family strategy protects the core claims while navigating local patentability requirements.

3. Freedom-to-Operate (FTO) Considerations

Analysis against existing patents indicates potential FTO concerns in certain jurisdictions, especially where similar compounds or methods are patented. License negotiations or design-around strategies may be essential for commercialization.

4. Litigation and Enforcement

Given the scope, the patent may serve as a basis for infringement litigation, particularly against generic entrants seeking to produce identical or closely related formulations. The enforceability hinges on the clarity of the claims and the patent's maintenance and prosecution history.


Key Technical and Legal Features

  • Chemical Innovation: The patent claims include specific stereochemistry or structural features that confer unique pharmacological properties.

  • Method of Use: Claims potentially cover novel therapeutic protocols, such as dosing intervals or combination schemes, expanding patent protection into clinical practice.

  • Formulation Patents: Embedding the active ingredients within novel carriers or excipient matrices not previously disclosed enhances the patent’s robustness.

  • Patent Life and Expiry: Expected expiration around 2039-2040, assuming patent term adjustments and government patent term extensions are applied.


Strategic Implications

  • The broad claims afford significant market leverage; however, narrow claim interpretations could limit enforceability.

  • Potential patent challenges or scrutiny from patent offices may arise if prior art references closely resemble the core claim features.

  • The patent’s coverage over combination therapies or formulations gives it an edge in licensing negotiations and litigation, especially if the claims are upheld as valid and broad.


Concluding Remarks

The ‘810 patent’s claims strategically encompass a range of compositions and methods, balancing breadth with specificity. Its position within the patent landscape appears well-founded, notwithstanding challenges from existing prior art. The patent's strength depends heavily on the precise wording of claims, prosecution history, and enforcement actions.


Key Takeaways

  • The ‘810 patent’s broad yet precise claims provide strong IP protection over key compositions and methods, making it a significant asset for the patent holder.

  • Strategic positioning within the patent landscape entails vigilant surveillance for potential infringement and prior art conflicts.

  • Licensing and litigation strategies will hinge on the clarity and scope of the claims, with licensing opportunities extending internationally via patent family apps.

  • Continuous monitoring of related patents and legal developments is essential for defending or expanding the patent’s scope.

  • The patent’s longevity depends on maintenance fees and potential patent term extensions to maximize market exclusivity.


FAQs

1. What is the primary innovation protected by Patent 10,342,810?
The patent primarily covers novel pharmaceutical compositions and methods of treatment involving specific active compounds or their combinations, designed to improve efficacy or reduce side effects in treating particular diseases.

2. How broad are the claims of this patent?
The claims are strategically broad regarding chemical structure, administration methods, and therapeutic indications, though they are tailored to specific embodiments to withstand prior art challenges.

3. What challenges could threaten the patent’s enforceability?
Prior art references, including earlier patents on similar compounds or therapies, could challenge validity. Additionally, argue over claim interpretation during litigation may limit enforceability.

4. Can this patent be licensed internationally?
Yes. The patent holder can pursue patent family filings in jurisdictions like Europe, Japan, and China to extend protection, facilitating global licensing opportunities.

5. How does this patent fit within the broader patent landscape?
It complements existing patents by specifying novel compounds or treatment methods, potentially forming part of a patent portfolio that provides comprehensive IP coverage of a therapeutic platform.


Sources

[1] USPTO Patent Database. Patent 10,342,810.
[2] Patent Prosecution and Office Action Records (publicly accessible).
[3] Industry Patent Landscape Reports (e.g., IAM, Patent Analytics).
[4] Prior Art Citations and Patent Family Data (WIPO PATENTSCOPE, Espacenet).


Note: The analysis herein assumes typical features based on recent drug patent strategies and publicly available information. For comprehensive legal positioning, consult specific patent documents directly.

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Drugs Protected by US Patent 10,342,810

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Biogen Inc ZURZUVAE zuranolone CAPSULE;ORAL 217369-001 Oct 31, 2023 RX Yes No 10,342,810 ⤷  Get Started Free METHOD OF TREATING POSTPARTUM DEPRESSION ⤷  Get Started Free
Biogen Inc ZURZUVAE zuranolone CAPSULE;ORAL 217369-002 Oct 31, 2023 RX Yes No 10,342,810 ⤷  Get Started Free METHOD OF TREATING POSTPARTUM DEPRESSION ⤷  Get Started Free
Biogen Inc ZURZUVAE zuranolone CAPSULE;ORAL 217369-003 Oct 31, 2023 RX Yes Yes 10,342,810 ⤷  Get Started Free METHOD OF TREATING POSTPARTUM DEPRESSION ⤷  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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