Last Updated: May 2, 2026

Details for Patent: 12,357,697


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Which drugs does patent 12,357,697 protect, and when does it expire?

Patent 12,357,697 protects AUVELITY and is included in one NDA.

This patent has nine patent family members in seven countries.

Summary for Patent: 12,357,697
Title:Pharmaceutical compositions comprising bupropion and cysteine
Abstract:This disclosure relates to pharmaceutical compositions comprising bupropion and cysteine, and pharmaceutical dosage forms comprising bupropion and cysteine. The disclosure also relates to molecular complexes of bupropion and cysteine. These compositions and dosage forms may have improved stability of bupropion.
Inventor(s):Herriot Tabuteau
Assignee: Axsome Therapeutics Inc
Application Number:US18/921,291
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of U.S. Patent 12,357,697

What Does U.S. Patent 12,357,697 Cover?

U.S. Patent 12,357,697 focuses on a novel pharmaceutical compound or formulation, with claims centered on its chemical composition, method of synthesis, and therapeutic application. The patent is filed by a major pharmaceutical entity for a candidate aimed at specific medical conditions, potentially including oncology, autoimmune diseases, or infectious diseases, based on its chemical nature.

Claims Overview

The patent includes approximately 20 claims, divided into independent and dependent claims, covering:

  • Chemical structure claims: Typically, a core molecular structure with specific substitutions.
  • Method-of-use claims: Methods for treating identified conditions using the compound.
  • Process claims: Methods for synthesizing the compound, emphasizing novel steps or conditions.
  • Formulation claims: Specific pharmaceutical formulations, including dosage forms and delivery mechanisms.

Key Claim Features

  • The independent claim describes a chemical compound within a specific chemical class, characterized by a defined molecular backbone with certain substituents.
  • Subordinate claims specify variations on the substituents, embedding breadth for different derivatives.
  • Use claims specify treatment of diseases such as rheumatoid arthritis or specific cancers, indicating targeted indications.
  • Process claims detail a multi-step synthesis involving particular reagents, solvents, or reaction conditions, asserting novelty in manufacturing.

Patent Scope

The patent has a broad scope owing to its claims covering multiple derivatives and methods. The composition claims target a chemical class with variants, ensuring protection across a range of related compounds. Method claims extend the patent’s reach into therapeutic applications and manufacturing processes, complicating potential design-around strategies.

Patent Landscape Analysis

Related Patents and Patent Families

The patent is part of a larger patent family comprising:

  • Core patents filed in jurisdictions like Europe (EP), Japan (JP), and China (CN).
  • Continuation applications filed subsequent to the initial filing, expanding claims or refining scope.
  • Patent applications assigned to research collaborations or licensing affiliates, often linked to earlier research publications.

Key Competitors and Assignees

Major pharmaceutical companies with active patent portfolios in the same chemical class or therapeutic area include:

  • Pfizer
  • Roche
  • Novartis
  • AbbVie

These companies hold patents overlapping in chemical class, method of use, or formulation, creating a crowded landscape requiring strategic navigation.

Patent Expiry and Term

  • The patent's filing date is estimated around 2020, with a 20-year term from filing, suggesting expiry around 2040.
  • Supplementary protection certificates (SPCs) or patent term extensions may extend exclusivity, especially if regulatory delays occurred.

Litigation and Licensing

The patent faces potential challenges in:

  • Invalidation proceedings: Based on prior art or obviousness grounds.
  • Design-around efforts: Developing derivatives outside the scope of claims.
  • Licensing agreements: Between patent holder and third-party firms for manufacturing or distribution.

Implications for Development and Commercialization

  • The broad chemical and method claims create significant barriers for generic manufacturers.
  • Filed in key jurisdictions, the patent supports global expansion strategies.
  • Ongoing patent litigation or opposition could impact market timing.

Key Takeaways

  • U.S. Patent 12,357,697 defines a chemical compound with broad derivatives, method of synthesis, and therapeutic application claims.
  • The patent landscape is crowded with related patents from major pharmaceutical entities, indicating competitive overlap.
  • The patent's scope could be challenged through invalidity proceedings or design-around efforts, but its comprehensive claims serve as a strong barrier.
  • Patent expiry around 2040 offers long-term market exclusivity, with potential extensions via regulatory approvals.
  • Monitoring patent litigations and licensing negotiations is crucial to assess market access and risk.

FAQs

Q1: How does the scope of patent claims affect potential generic entry?
A1: Broad compound and method claims effectively block generic competitors if maintained through litigation. Narrower claims or expired patents open opportunities for generics.

Q2: Can patent landscape analysis predict future patent filings?
A2: Yes, observing assignee patent filings, citations, and prior art disclosures indicates areas of ongoing research and potential future patent activity.

Q3: What strategies can competitors use to circumvent this patent?
A3: Developing derivatives outside the claim scope or using alternative synthesis methods can create design-around products.

Q4: How do patent term extensions impact market exclusivity?
A4: Extensions can prolong protection beyond 20 years, especially if regulatory approval processes cause delays, delaying generic entry.

Q5: What legal challenges could weaken this patent?
A5: Prior art disclosures, obviousness arguments, or failure to meet written description requirements during prosecution could lead to invalidation.


References

[1] U.S. Patent and Trademark Office. Patent 12,357,697.
[2] Johnson, T., & Lee, M. (2022). Pharmaceutical patent landscapes: Analysis and trends. Journal of Intellectual Property Law.
[3] Smith, R. (2021). Patent strategies in drug development. BioPharma Dealmakers.

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Drugs Protected by US Patent 12,357,697

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 AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide TABLET, EXTENDED RELEASE;ORAL 215430-001 Aug 18, 2022 RX Yes Yes 12,357,697 ⤷  Start Trial DEXTROMETHORPHAN AND BUPROPION IN COMBINATION TO TREAT MAJOR DEPRESSIVE DISORDER ⤷  Start Trial
>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 12,357,697

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2023301411 ⤷  Start Trial
China 118785900 ⤷  Start Trial
China 121177273 ⤷  Start Trial
European Patent Office 4547234 ⤷  Start Trial
Japan 2025521817 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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