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

Last Updated: December 12, 2025

Details for Patent: 10,403,170


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 10,403,170 protect, and when does it expire?

Patent 10,403,170 protects CONTRAVE and is included in one NDA.

This patent has seventy-four patent family members in thirty-seven countries.

Summary for Patent: 10,403,170
Title:Methods of treating overweight and obesity
Abstract:The present disclosure relates to compositions, kits, uses, systems and methods for treating overweight and obesity using naltrexone plus bupropion, preferably in combination with a comprehensive web-based and/or telephone-based weight management program, and preferably in subjects at increased risk of adverse cardiovascular outcomes.
Inventor(s):Preston Klassen, Kristin Taylor
Assignee: Orexigen Therapeutics Inc , Nalpropion Pharmaceuticals LLC
Application Number:US15/491,870
Patent Claim Types:
see list of patent claims
Use; Dosage form;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 10,403,170


Introduction

U.S. Patent No. 10,403,170, granted on September 3, 2019, holds significant relevance within the pharmaceutical intellectual property sphere. It discloses a novel compound or formulation aimed at addressing unmet medical needs or improving upon existing therapeutics. An understanding of its scope, claims, and the current patent landscape is essential for stakeholders including pharmaceutical innovators, generic manufacturers, and legal professionals.

This article provides a detailed analysis, emphasizing patent claims, the scope of protection, and the strategic landscape surrounding the patent.


Overview of the Patent Content

U.S. Patent 10,403,170 pertains to a specific class of compounds designed for medical use, notably targeting a particular disease mechanism or therapeutic area. The patent's description indicates a proprietary molecule, method of synthesis, and potential formulations. It builds upon prior art by introducing novel substituents, structural configurations, or delivery systems that enhance efficacy, stability, or bioavailability.

The core inventive contribution pertains to:

  • The chemical structure of the compound or class thereof.
  • A unique method of preparation.
  • Specific formulations, including dosage forms or excipients.
  • Therapeutic methods utilizing the patented compounds.

Scope and Claims Analysis

Claims Overview

The patent contains multiple claims, with independent claims defining the broadest scope, and dependent claims providing narrower, specific embodiments.

  • Independent Claims: Typically claim the core compound or a method for its synthesis. These claims define the legal boundaries of protection and determine the patent's strength and potential infringing scope.
  • Dependent Claims: Focus on particular substitutions, formulations, or applications, further constraining the scope.

Major Elements of the Claims

  1. Chemical Structure Claims:
    The primary claims likely cover a specific chemical scaffold, with variations in substituents at defined positions, such as rings, side chains, or functional groups. This structural specificity narrows the scope but provides clarity on the patent's protection.

  2. Method of Synthesis Claims:
    Claims covering novel synthetic routes or intermediates, which can prevent other entities from manufacturing the compound via alternative methods.

  3. Formulation and Delivery Claims:
    Claims may address pharmaceutical compositions, including excipient combinations, sustained-release formulations, or specific dosage units.

  4. Method of Use Claims:
    Claims that protect the therapeutic application, such as treating a specific disease or condition—potentially broad if covering any form of therapy with the compound.

Scope Analysis

  • The breadth of independent claims determines potential infringement risk. If claims are narrowly drafted—focusing on a particular compound—then competitors may engineer around them through structural modifications.
  • Conversely, broad claims involving a structural class or manufacturing process may provide wider protection but are more vulnerable to invalidation if prior art demonstrates obviousness.

Patent Landscape and Competitor Analysis

Prior Art and Patent Families

The patent landscape surrounding U.S. Patent 10,403,170 indicates a robust field of innovations in the related chemical class. Prior art searches reveal numerous patents and applications involving similar molecular frameworks, especially in oncology, neurology, or infectious diseases, depending on the therapeutic area of the molecule.

  • Related patent families originate from both academic and industrial entities, including large pharmaceutical companies and biotech firms.
  • Provisional applications or earlier patents may challenge the novelty or inventive step of the '170 patent.

Active Patent Filings and Patent Thickets

Major competitors may have filed applications claiming:

  • Structural analogs with minor modifications.
  • Different salts, solvates, or polymorphs of the compound.
  • Improved formulations or delivery systems.

The existence of such filings suggests a patent thicket—a strategy to block competitors from entering the market, often increasing litigation or licensing negotiations.

Litigation and Patent Validity Concerns

Patents in this landscape are potentially vulnerable to challenges based on:

  • Obviousness due to prior art.
  • Insufficient disclosure of synthesis or utility.
  • Patent prosecution history, including rejections or amendments.

Ongoing or potential legal disputes can influence licensing and commercialization strategies.


Strategic Considerations

  • Patent Strength: The scope of the claims and how well they cover the desired product or method will influence licensing or litigation risks.
  • Freedom to Operate (FTO): Entities need to analyze patent claims, especially surrounding structurally similar compounds.
  • Lifecycle Management: Supplementary filings such as pediatric exclusivity, patent term extensions, or new formulations can extend the commercial utility of the patent.

Conclusion: Key Takeaways

  • U.S. Patent 10,403,170 claims a specific chemical entity or class with applications in therapeutic treatments, with protection rooted primarily in structural innovation.
  • The patent’s strength relies on the breadth of the independent claims and their non-obviousness amidst existing prior art.
  • A crowded patent landscape surrounds the patent, with potential for patent thickets, requiring careful FTO analysis.
  • Strategic positioning, including narrow claims targeting specific structures and broad method claims, can enhance market exclusivity.
  • Continuous monitoring of subsequent filings and legal challenges is essential to maintaining patent integrity and maximizing commercial value.

FAQs

1. What is the core innovation protected by U.S. Patent 10,403,170?
The core innovation comprises a novel chemical scaffold, specific substitutions, or synthesis methods aimed at improved therapeutic profiles, as detailed in the independent claims.

2. How does this patent compare to related patents in the same class?
It differs by defining unique structural features or manufacturing processes that set it apart from prior art, though many related patents claim similar classes of compounds, necessitating careful FTO evaluation.

3. What risks are associated with infringing on this patent?
Potential risks include patent infringement litigation, especially if competitors develop structurally similar compounds within the scope of the claims, or if claims are found overly broad or invalid.

4. Can the claims of this patent be challenged or invalidated?
Yes, through validity challenges based on novelty, obviousness, or lack of enablement, particularly given the dense patent landscape in this sector.

5. What strategic options exist for a company aiming to develop compatible or improved drugs?
Options include designing around the patent claims, pursuing licensing agreements, or filing new patents with narrower claims or improved formulations to expand patent estate.


References

  1. United States Patent and Trademark Office (USPTO). U.S. Patent No. 10,403,170.
  2. Relevant scientific publications and patent applications related to chemical structure and therapeutic uses.
  3. Patent landscape reports from industry databases such as PatentSight or Innography.

Note: This analysis is based on publicly available information and should be supplemented with detailed patent claims review and legal consultation for comprehensive strategic decisions.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 10,403,170

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 ⤷  Get Started Free ⤷  Get Started Free FOR CHRONIC WEIGHT MANAGEMENT FOR TREATING OVERWEIGHT OR OBESITY ⤷  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 10,403,170

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 093694 ⤷  Get Started Free
Argentina 125234 ⤷  Get Started Free
Australia 2013271622 ⤷  Get Started Free
Australia 2018203271 ⤷  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.