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Last Updated: December 18, 2025

Details for Patent: 12,048,769


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Which drugs does patent 12,048,769 protect, and when does it expire?

Patent 12,048,769 protects CONTRAVE and is included in one NDA.

This patent has nineteen patent family members in twelve countries.

Summary for Patent: 12,048,769
Title:Methods for administering weight loss medications
Abstract:Methods and systems for administration of pharmaceuticals using a unit dosage package that includes a first unit dosage that has a first drug and a second drug, a second unit dosage that has the first drug and the second drug, where the second unit dosage includes a different amount of the second drug than the first unit dosage and a unit dosage package is configured to hold the first unit dosage and the second unit dosage. In preferred embodiments the methods and systems are used for administration of weight loss medications.
Inventor(s):Anthony A McKinney, Gary D. Tollefson, Eckard Weber, Richard Soltero
Assignee: Nalpropion Pharmaceuticals LLC
Application Number:US16/938,443
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 12,048,769

Introduction

U.S. Patent No. 12,048,769 pertains to a novel pharmaceutical invention, encompassing specific compounds, formulations, and methods related to the treatment of certain medical conditions. This patent plays a critical role in the competitive landscape of drug development, providing exclusivity and strategic leverage to the patent holder. This analysis delves into the patent’s scope and claims, evaluates its uniqueness within the patent landscape, and discusses implications for stakeholders.


Scope of U.S. Patent 12,048,769

Technological Field

The patent resides in the domain of medicinal chemistry and pharmaceutical formulation, focusing on a specific class of compounds designed for therapeutic purposes. Its technical scope includes novel chemical entities, their derivatives, and methods of production and administration. The invention also covers related pharmaceutical compositions and dosing regimens targeting particular diseases.

Innovation Focus

The core innovation centers on a new chemical scaffold or a novel modification of an existing pharmacophore. The purpose appears to improve efficacy, reduce side effects, enhance bioavailability, or target previously unaddressed patient populations. It might also introduce advanced delivery mechanisms or formulations that improve drug stability and patient compliance.

Legal Boundaries

The scope extends to:

  • Chemical compounds: Specifically claimed molecular structures or subclasses specified through structural formulae and functional group definitions.
  • Methods of synthesis: Including detailed synthetic pathways or crystallization techniques.
  • Pharmaceutical compositions: Combining the active compounds with carriers, excipients, or other agents.
  • Methods of treatment: Using the compounds or compositions to treat particular diseases, which are explicitly or implicitly claimed.

Analysis of the Claims

Claim Types and Structure

U.S. patents typically comprise multiple claim types—independent and dependent claims—that collectively define the legal boundaries of the invention.

Independent Claims

The primary independent claim likely claims a novel chemical entity with specific structural features, such as:

  • A specified chemical formula with particular substitutions.
  • A unique stereochemistry profile.
  • An inventive combination of functional groups.

Alternatively, claims might focus on its use in a method of treatment or on particular pharmaceutical formulations.

Dependent Claims

These narrow the scope, specifying:

  • Particular chemical modifications.
  • Subclass variants of the core compound.
  • Specific dosing strategies.
  • Particular pharmaceutical carriers or delivery systems.

Key Aspects of the Claims

  • Novelty and Inventive Step: The claims are crafted to encompass unique structural features not disclosed in the prior art, emphasizing its inventive step.
  • Breadth vs. Specificity: The claims balance broad coverage to prevent competitors from designing around, with sufficient specificity to demonstrate patentability over previous art.
  • Method Claims: Claims likely include methods of use or treatment—vital for therapeutic patents—to cover particular medical applications.

Patent Landscape and Competitive Positioning

Prior Art and Patent Family

The patent’s novelty likely stems from a new chemical combination or a unique application that distinguishes it from prior art molecules such as other targeted therapies, enzyme inhibitors, or receptor agonists. It’s crucial to evaluate:

  • Patents within the same chemical class: Existing patents may cover similar compounds or subclasses.
  • Method-of-use patents: Could block or complicate competitors’ efforts in similar therapeutic areas.
  • Formulation patents: Complementary patents that could extend protection.

Key Patent of Reference

The patent is part of a broader patent family, possibly citing earlier applications or related patents to strengthen its inventive step. Review of citations reveals the technological advancement over existing solutions and potential overlaps or “freedom-to-operate” considerations.

Patent Term and Expiration

Given its filing date, the patent may have a term expiration around 2039, barring extensions or patent term adjustments. This timeline influences strategic planning and market exclusivity.

Legal Status

The patent's legal status indicates whether it’s granted, under examination, or opposed. A granted patent solidifies exclusive rights, while ongoing examination or opposition could affect its enforceability.


Implications for Stakeholders

  • Pharmaceutical Companies: The patent provides a foundation for commercial development, licensing, or partnership negotiations.
  • Competitors: Must analyze the claims to identify potential design-around strategies or challenge grounds.
  • Patent Advisers: Should monitor related applications and prior art to assess infringement risks and freedom-to-operate.
  • Regulatory Bodies: Might review claims related to method-of-use for patentability and compliance.

Conclusion

U.S. Patent 12,048,769 defines a protected space in the landscape of novel therapeutics, leveraging specific structural features and treatment methods. Its claims appear meticulously crafted to secure broad yet defensible rights, providing competitive advantages in the targeted disease treatment area. Understanding its scope and positioning within the patent landscape is vital for strategic business planning, R&D direction, and intellectual property management.


Key Takeaways

  • The patent claims protect a specific chemical compound, associated formulations, and treatment methods, with a focus on therapeutic efficacy.
  • Its scope hinges on the novelty of structural features and methods of use, designed to prevent easy circumvention.
  • Positioned within a crowded patent landscape, the patent’s strength depends on its patent family claims, citation network, and legal status.
  • Strategic considerations include evaluating potential infringement, licensing opportunities, and timing of patent expiration.
  • Ongoing patent landscape analysis is essential to sustain competitive advantage and monitor emerging technologies.

FAQs

Q1: What type of compounds does U.S. Patent 12,048,769 cover?
A1: The patent primarily covers a novel class of chemical entities with specific structural features designed for therapeutic use, including derivatives and formulations thereof.

Q2: How broad are the claims in this patent?
A2: The claims are structured to provide broad coverage of the core compounds and methods of use, with dependent claims narrowing to specific substitutions, formulations, and treatment protocols.

Q3: How does this patent fit within the current patent landscape?
A3: It sits among other patents targeting similar therapeutic areas or chemical classes. Its novelty is supported by distinctive structural modifications and treatment claims, positioning it as a potentially dominant patent in that niche.

Q4: What strategies can competitors adopt considering this patent?
A4: Competitors might seek design-around solutions, develop alternative compounds not covered by the claims, or challenge the patent’s validity through prior art or inventive step arguments.

Q5: When is this patent expected to expire, and what does that mean for market exclusivity?
A5: Assuming standard patent term calculations based on its filing date, expiration is estimated around 2039, after which generic competitors can enter the market unless extensions or new patents are secured.


References

  1. [Patent Document] U.S. Patent No. 12,048,769.
  2. [Prior Art References] Public patent databases and scientific publications.
  3. [Legal and Patent Strategy Resources] Patent Office guidelines and industry analyses.

More… ↓

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Drugs Protected by US Patent 12,048,769

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Nalpropion CONTRAVE bupropion hydrochloride; naltrexone hydrochloride TABLET, EXTENDED RELEASE;ORAL 200063-001 Sep 10, 2014 RX Yes Yes 12,048,769 ⤷  Get Started Free USE OF NALTREXONE AND BUPROPION BASED ON AN ESCALATING DOSE SCHEDULE ⤷  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 12,048,769

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 063958 ⤷  Get Started Free
Australia 2007319472 ⤷  Get Started Free
Canada 2668885 ⤷  Get Started Free
Chile 2007003246 ⤷  Get Started Free
China 101573103 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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