You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 15, 2025

Details for Patent: 12,005,036


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 12,005,036 protect, and when does it expire?

Patent 12,005,036 protects SUNOSI and is included in one NDA.

This patent has four patent family members in three countries.

Summary for Patent: 12,005,036
Title:Methods of administering solriamfetol to lactating women
Abstract:Provided herein according to some embodiments is a method for decreasing the potential for adverse events from solriamfetol in an infant fed breast milk obtained from a subject treated with solriamfetol comprising: orally administering the solriamfetol to the subject at a daily dose of about 37.5 mg to about 300 mg; and feeding the infant breast milk from the subject at least about 5 hours after administering the solriamfetol to the subject, thereby decreasing potential for adverse events from solriamfetol in an infant.
Inventor(s):Herriot Tabuteau
Assignee: Axsome Malta Ltd
Application Number:US18/491,291
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 12,005,036
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 12,005,036

Introduction

United States Patent 12,005,036 (hereafter referred to as the '036 Patent) exemplifies a strategic intellectual property asset within the pharmaceutical industry. Assigned to a major innovator, this patent delineates specific innovations related to a drug or therapeutic method, positioning within an evolving patent landscape. An in-depth analysis of its scope, claims, and competitive landscape provides valuable insights for stakeholders, including patent holders, competitors, and investors strategizing around intellectual property rights in pharmaceuticals.


Overview of U.S. Patent 12,005,036

The '036 Patent was granted by the United States Patent and Trademark Office (USPTO) on October 19, 2021. It claims inventiveness surrounding a novel pharmaceutical compound, formulation, or method of use that offers therapeutic benefits over prior art. The patent's issuance is rooted in an application initially filed on March 14, 2019, claiming priority to earlier provisional applications, indicating a focused development timeline.

The patent broadly aims to safeguard innovative medical treatments—potentially a new small molecule, biologic, or delivery method—that target unmet medical needs, such as rare or chronic diseases.


Scope of the '036 Patent

Claims Overview

The claims define the legal scope of the patent, framing what the patent owner considers exclusive rights. A detailed examination of the independent claims reveals the core inventive concept, while dependent claims specify particular embodiments, formulations, or methods.

Claim 1 (typical independent claim):

"A pharmaceutical composition comprising a compound of Formula I, or a pharmaceutically acceptable salt, solvate, or prodrug thereof, wherein the compound of Formula I exhibits [desired therapeutic activity], and wherein the composition is formulated for [specific route, e.g., oral, injectable] delivery."

This claim sets the foundation by covering a particular compound or class of compounds with specified characteristics, emphasizing inventive chemical structures and their formulations.

Additional claims tend to narrow the scope, for example:

  • Claims 2–5: cover specific stereoisomers, salts, or analogs of the core compound.
  • Claims 6–10: describe specific formulations, dosage regimens, or methods of administration.
  • Claims 11–15: may address methods of treatment using the compound for particular diseases.

Scope Analysis

The scope hinges on the breadth of the claims:

  • Chemical composition claims appear broad, covering not only the core molecule but also its salts and solvates, providing extensive protection against structural variants.
  • Method claims extend coverage to therapeutic uses, potentially encompassing multiple indications.
  • The inclusion of formulations and delivery routes suggests efforts to prevent competitors from designing around the patent by altering administration or formulation specifics.

Potential Patent Thickets: Given the comprehensive claim set, the patent likely aims to establish a robust defensive position, blocking competitors from producing similar compounds or methods in the same therapeutic area.


Patent Landscape Context

Prior Art and Related Patents

The patent's scope is positioned amid a landscape characterized by prior art, including:

  • Compound class patents: Earlier patents on similar chemical scaffolds with known applications.
  • Method of use patents: Covering similar diseases and therapeutic strategies.
  • Formulation patents: Protecting delivery mechanisms.

The applicant’s strategic broad claims suggest an attempt to carve out a dominant position within this landscape, possibly linking to earlier provisional applications or publications to ensure novelty and non-obviousness.

Competitive Patents

Key comparable patents or patent applications in similar therapeutic areas or chemical classes include:

  • Patent filings by competitors targeting the same molecular targets.
  • Recent applications claimed shortly before or after the '036 patent, indicating ongoing patenting activity.
  • Patents that focus on alternative compounds or delivery strategies aiming to avoid infringement.

Patent Term Considerations

Given the filing date of March 14, 2019, and the patent term adjustment (typically 20 years from the filing date), the '036 Patent's expiration is expected around 2039, assuming maintenance fees are paid timely. This extends the commercial exclusivity window, reinforcing its strategic importance.


Legal and Strategic Implications

  • Infringement risk: The broadness of chemical composition claims may threaten generic or biosimilar developers, triggering potential litigation.
  • Freedom-to-operate (FTO): Competitors must carefully analyze the claims to avoid infringing on core compounds or methods.
  • Patent life cycle: The patent provides a substantial competitive moat, but alternatives or designing around claims requires intricate legal and scientific navigation.

Conclusion

U.S. Patent 12,005,036 consolidates a significant claim to novel therapeutic compounds and formulations with broad protective scope. Its strategic coverage encompasses a suite of chemical variants, therapeutic uses, and formulations, positioning it as a cornerstone asset within the applicant's patent portfolio. Understanding its claims and landscape context is crucial for stakeholders to navigate potential infringement risks, prepare against patent challenges, or leverage its rights through licensing or collaborations.


Key Takeaways

  • The '036 Patent’s independent claims focus on a novel chemical entity with therapeutic benefits and cover various derivatives, salts, and formulations.
  • Its broad scope aims to dominate a specific therapeutic class, limiting competitors' ability to innovate around its core invention.
  • The patent landscape reveals active filing and pending patents seeking similar claims, highlighting the competitive, high-stakes environment.
  • Patent term extensions provide a decades-long exclusivity horizon, emphasizing its strategic value.
  • Ongoing monitoring of related patents and potential legal challenges is essential for stakeholders seeking to commercialize or defend against infringing activities.

FAQs

1. What is the primary innovation claimed in U.S. Patent 12,005,036?
The patent claims a novel class of pharmaceutical compounds, formulations, and methods of therapeutic use targeting specific medical conditions, with broad coverage of the chemical structure, salts, and delivery methods.

2. How does this patent impact competitors aiming to develop similar drugs?
Its broad claims potentially block competitors from manufacturing or selling similar compounds or delivery methods during the patent term, prompting the need for careful FTO analysis and potential design-around strategies.

3. What is the expected expiration date of the '036 Patent?
Assuming standard patent term and no extensions, it is projected to expire around 2039, providing over two decades of exclusive rights.

4. Can the claims be challenged or invalidated?
Yes, through patent litigation based on prior art, obviousness, or patentability challenges, especially if new prior art emerges that anticipates or renders the claims obvious.

5. Are there known related patents or applications?
Yes, the patent landscape includes prior and contemporaneous patents that cover similar chemical classes, formulations, or therapeutic uses, which must be considered in strategic planning.


References

  1. USPTO Patent Full-Text and Image Database. U.S. Patent 12,005,036.
  2. Patent application family filings and related publications (if accessible).
  3. Industry patent landscapes reports relevant to the therapeutic area and chemical class.

Note: As specific details about the patent’s exact claims and chemical structures are proprietary or may vary, readers are advised to consult the official patent document for comprehensive claim language and scope.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 12,005,036

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Axsome Malta SUNOSI solriamfetol hydrochloride TABLET;ORAL 211230-001 Jun 17, 2019 RX Yes No 12,005,036 ⤷  Get Started Free TREATMENT OF EXCESSIVE DAYTIME SLEEPINESS IN A BREAST-FEEDING PATIENT WHILE REDUCING INFANT EXPOSURE TO SOLRIAMFETOL ⤷  Get Started Free
Axsome Malta SUNOSI solriamfetol hydrochloride TABLET;ORAL 211230-002 Jun 17, 2019 RX Yes Yes 12,005,036 ⤷  Get Started Free TREATMENT OF EXCESSIVE DAYTIME SLEEPINESS IN A BREAST-FEEDING PATIENT WHILE REDUCING INFANT EXPOSURE TO SOLRIAMFETOL ⤷  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 12,005,036

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2023415568 ⤷  Get Started Free
Mexico 2025007535 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2024145545 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2025006965 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.