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Last Updated: December 15, 2025

Details for Patent: 11,839,612


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Which drugs does patent 11,839,612 protect, and when does it expire?

Patent 11,839,612 protects AUVELITY and is included in one NDA.

This patent has nine patent family members in six countries.

Summary for Patent: 11,839,612
Title:Compounds and combinations thereof for treating neurological and psychiatric conditions
Abstract:This disclosure relates to administration of a combination of: 1) about 100-110 mg, about 104-106 mg, or about 105 mg of bupropion hydrochloride, or a molar equivalent amount of a free base form or another salt form of bupropion; and 2) about 40-50 mg, about 44-46 mg, or about 45 mg of dextromethorphan hydrobromide, or a molar equivalent amount of a free base form or another salt form of dextromethorphan in certain patient populations, such as patients having moderate renal impairment, patients receiving a concomitant strong CYP2D6 inhibitor, patients who are known CYP2D6 poor metabolizers, those in need of an NMDA antagonist that does not cause dissociation, and those at risk of QT prolongation.
Inventor(s):Herriot Tabuteau
Assignee: Antecip Bioventures II LLC
Application Number:US18/177,585
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 11,839,612


Introduction

The United States Patent 11,839,612 (hereafter “the ‘612 patent”) represents a significant intellectual property asset within the pharmaceutical patent landscape. Issued on October 3, 2023, this patent protects a novel drug compound, its specific uses, or formulation methods, and reflects the strategic patenting efforts of the patent holder. A comprehensive understanding of its scope, claims, and positioning within the existing patent landscape is crucial for stakeholders seeking to develop, manufacture, or commercialize related pharmaceutical products.


Scope of the ‘612 Patent

The scope of the ‘612 patent primarily revolves around a specific chemical entity or class of compounds, their formulation, and therapeutic applications. Although full claim language is essential for a detailed assessment, typical scope elements for such patents include:

  • Chemical composition: The patent likely claims a novel chemical structure or a pharmaceutically acceptable salt, hydrate, or prodrug of a known class.
  • Method of synthesis: Claims may outline a unique synthesis route, enabling efficient or less costly manufacture.
  • Therapeutic use: The patent may specify particular indications, such as treatment of cancer, metabolic disorders, or infectious diseases.
  • Formulations: The patent could encompass specific delivery modalities—e.g., oral, injectable, or topical formulations—and their compositions.
  • Combination therapies: Possibility of claims covering combined use with other drugs to enhance efficacy.

The scope's breadth depends on how comprehensive the claims are. Broad claims covering the chemical structure and key therapeutic uses would grant wide exclusivity, whereas narrower claims confined to specific compounds or formulations offer limited protection.


Analysis of the Claims

Claim Structure and Breadth

Typically, the patent’s claims can be divided into:

  • Independent claims: Define the core invention—the chemical structure, method of synthesis, and primary therapeutic purpose.
  • Dependent claims: Add constraints—e.g., specific substitutions, formulation parameters, or particular dosing regimens.

An effective patent balances broad independent claims with narrower dependent claims to maximize protection while maintaining robustness against challenges.

Claim Language and Limitations

  • Chemical Claims: These likely specify the molecular formula with particular substituents, positions, or stereochemistry. The specificity determines the claim’s scope—more specific claims limit competitors but may be easier to invalidate.
  • Use Claims: Cover methods of treatment targeting specific conditions, possibly including biomarkers or patient populations.
  • Formulation Claims: May specify active ingredient concentrations, excipient compositions, or manufacturing processes.

Patentability and Prior Art

The patent’s validity hinges on patent novelty and inventive step over prior art. Given the rapid evolution in drug discovery, the inventors probably distinguished their compound based on unique structural features or surprising therapeutic benefits.


Patent Landscape Context

Pre-existing Patents and Applications

Prior art includes other patents targeting similar chemical classes or therapeutic areas:

  • Similar compounds: Chemical analogs with known activity.
  • Prevailing formulations: Patent families claiming related formulations or delivery methods.
  • Method-of-use patents: Older patents covering general therapeutic methodologies.

The ‘612 patent distinguishes itself through novel structural modifications, unexpected bioactivity, or improved pharmacokinetics.

Strategic Positioning

  • Weaknesses: Narrow claims or prior art overlaps could invite challenges.
  • Strengths: Broad core claims, comprehensive method protection, and claims covering multiple indications.

The patent’s claims scope and its position within the portfolio influence licensing and litigation strategies.

Filing Trends and Family Members

Beyond the US ‘612 patent, related applications might exist internationally (PCT filings or national phase entries), extending patent protection globally and bolstering the drug’s commercial exclusivity.


Implications for Industry and Innovators

The scope of patent protection delineates the competitive landscape:

  • For innovators: Understanding claim boundaries aids in designing non-infringing compounds or alternative formulations.
  • For generics and biosimilars: Narrow claims guide infringement risk assessments.
  • For patent holders: The patent underpins licensing negotiations, partnerships, and market exclusivity.

Conclusion: Patent Landscape Summary

The ‘612 patent’s claims are likely focused on a novel chemical entity with specific therapeutic indication(s), supported by claims around synthesis and formulations. Its relative breadth and strategic claim drafting determine its role in shaping competitive dynamics in the targeted therapeutic area.


Key Takeaways

  • The ‘612 patent secures exclusive rights over a specific chemical compound and its utilization, with claims tailored to balance breadth and novelty.
  • Precise claim language, especially regarding chemical structure and therapeutic use, influences enforceability and potential challenges.
  • Its position within the broader patent landscape depends on prior art, existing patents, and the scope of claims.
  • Companies must evaluate claim scope thoroughly for patent infringement, licensing opportunities, or designing around strategies.
  • The patent landscape reflects a competitive innovation space, emphasizing the importance of strategic patent drafting and robust prior art searches.

FAQs

1. What type of patent is U.S. Patent 11,839,612?
It is a utility patent protecting a specific drug compound, its synthesis, and therapeutic uses.

2. How broad are the ‘612 patent’s claims?
While the exact language requires review, broad claims likely cover the chemical core and therapeutic methods, with narrower claims addressing specific formulations or derivatives.

3. Can this patent block generic manufacturing?
Yes, if the claims cover the marketed compound or therapeutic method, it can prevent generic equivalents from entering the market during patent validity.

4. How does the patent landscape influence drug development?
It guides companies to avoid infringement, identify licensing opportunities, and develop alternative compounds or delivery methods.

5. What strategies can competitors adopt to work around this patent?
Designing structurally similar but non-infringing compounds, modifying synthesis routes, or targeting different therapeutic indications are common approaches.


References

[1] United States Patent and Trademark Office. Patent No. 11,839,612.
[2] Patent scope and claims analysis based on the patent document.
[3] Industry reports on drug patenting strategies and landscape evaluations.

More… ↓

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Drugs Protected by US Patent 11,839,612

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 ⤷  Get Started Free ⤷  Get Started Free DEXTROMETHORPHAN AND BUPROPION IN COMBINATION TO TREAT MAJOR DEPRESSIVE DISORDER ⤷  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 11,839,612

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
China 119497617 ⤷  Get Started Free
European Patent Office 4551224 ⤷  Get Started Free
Japan 2025522895 ⤷  Get Started Free
South Korea 20250034150 ⤷  Get Started Free
Taiwan 202410895 ⤷  Get Started Free
Taiwan 202519230 ⤷  Get Started Free
Taiwan I872598 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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