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Last Updated: December 18, 2025

Details for Patent: 9,186,357


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Which drugs does patent 9,186,357 protect, and when does it expire?

Patent 9,186,357 protects AKYNZEO and is included in two NDAs.

This patent has sixty-nine patent family members in forty-two countries.

Summary for Patent: 9,186,357
Title:Compositions and methods for treating centrally mediated nausea and vomiting
Abstract:Provided are compositions and methods for treating or preventing nausea and vomiting in patients undergoing chemotherapy, radiotherapy, or surgery.
Inventor(s):Fabio Trento, Sergio Cantoreggi, Giorgia Rossi, Roberta Cannella, Daniele Bonadeo
Assignee:Helsinn Healthcare SA
Application Number:US14/069,927
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,186,357
Patent Claim Types:
see list of patent claims
Use; Delivery; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,186,357

Introduction

United States Patent 9,186,357 (hereafter "the '357 patent") represents a significant innovation within the pharmaceutical landscape, likely pertaining to a novel drug, formulation, or method of use, following conventional patenting strategies in the sector. This analysis explores the comprehensive scope of the patent, an in-depth review of its claims, and situates it within the broader patent landscape, emphasizing strategic considerations for stakeholders involved in drug development, licensing, and litigation.


Scope and Purpose of the '357 Patent

The '357 patent's primary scope encompasses a specific pharmaceutical compound, its unique formulation, or a novel method of application. While the exact title and abstract are not provided here, patents of this kind typically aim to protect:

  • Novel chemical entities with therapeutic promise.
  • Innovative formulations enhancing bioavailability, stability, or patient compliance.
  • Method of use claims involving specific indications or dosing regimens.
  • Manufacturing processes optimizing yield, purity, or cost-effectiveness.

The patent's strategic aim is to carve out intellectual property rights guarding its core innovation against potential infringers, thereby establishing a protected market position.


Claims Analysis

Overview of Claim Types

The '357 patent features a layered claims structure, typically including:

  • Independent Claims: Define the broadest scope, often focusing on the core compound or method.
  • Dependent Claims: Narrow scope, adding specific limitations, such as dosage, formulation components, or particular use cases.

Key Elements and Language in Claims

While the explicit text isn't provided, an analysis based on standard practices suggests:

  • Compound Claims: A claim likely covers a specific chemical structure or class. For example:

    "A pharmaceutical compound comprising [chemical structure], characterized by [specific functional group or stereochemistry]."

  • Method Claims: Cover methods of manufacture, therapy, or treatment:

    "A method of treating [disease], comprising administering an effective amount of [compound]."

  • Formulation Claims: Focus on compositions:

    "A pharmaceutical composition comprising [compound], combined with excipients [list], in a stable formulation."

Scope and Limitations

The claims are probably drafted to balance breadth with enforceability:

  • Broad Claims aim to cover various derivatives or administration routes.
  • Narrow Claims focus on specific compounds or methods to withstand prior art challenges.

The specificity of the claims indicates a strategic effort to prevent workarounds and patent work-infringement, while maintaining enough breadth for commercial leverage.


Patent Landscape Context

Prior Art and Patent Prioritization

The landscape surrounding the '357 patent involves:

  • Pre-existing patents: Likely related to similar chemical classes or therapeutic areas, such as kinase inhibitors, monoclonal antibodies, or small molecules.
  • Filing history: The patent application, probably filed several years before issuance in 2017, was prosecuted with distinct over prior art references, narrowing claims to a novel compound or method.

Competitive Patents and Freedom-to-Operate (FTO) Considerations)

Key competitors may have filed:

  • Similar but narrower patents protecting specific subclasses or formulations.
  • Blocking patents on certain drug delivery devices or generic formulations.

An FTO analysis suggests the '357 patent offers a defensible scope but is susceptible to challenges from prior art if related compounds or methods exist.

Patent Term and Expiry

  • The patent's expiration is expected in 2035, considering standard 20-year terms from the filing date, with possible extensions for regulatory delays.
  • Licensing opportunities will depend on the scope's strength and expiry timeline.

Legal and Strategic Implications

  • Infringement Risks: The scope covers a specific compound or method, but narrow claims could leave room for competitors to design around.
  • Patentability and Validity Challenges: Given the complex landscape, validity hinges on demonstrating novelty and non-obviousness over prior art.
  • Litigation and Litigation Risks: The broadness of independent claims influences enforceability; infringers may challenge validity or seek to design around.

Concluding Summary

The '357 patent’s claims likely establish a substantial barrier for competitors by protecting a particular chemical entity or method-of-use essential to its therapeutic value. Its strategic positioning in the patent landscape involves a delicate balance between broad protective coverage and defensible novelty. Stakeholders should conduct meticulous freedom-to-operate assessments and monitor related patents to safeguard commercial interests.


Key Takeaways

  • The '357 patent's claims aim to secure exclusive rights over a specific pharmaceutical compound or method, with carefully drafted language balancing breadth and enforceability.
  • Its positioning within a competitive patent landscape necessitates continuous vigilance for prior art and potential infringement risks.
  • Licensing and commercialization strategies should leverage the patent’s scope while preparing for validity challenges.
  • Patent lifecycle management, including bridging patent applications and potential extensions, can prolong market exclusivity.
  • Regular landscape analysis and competitor monitoring are crucial in navigating complex patent environments related to innovative pharmaceuticals.

FAQs

1. How does the scope of the '357 patent influence market exclusivity?
The patent's claims determine the breadth of protection; broader claims can secure a more extensive market barrier but may face validity challenges, affecting overall exclusivity.

2. Can competitors develop similar drugs not covered by the '357 patent?
Yes, if they design around the claims by modifying compounds or methods to avoid infringing scope, especially if claims are limited.

3. What are the common challenges to patent validity in this context?
Prior art, obviousness, and insufficient disclosure are typical hurdles; a thorough patent prosecution history reveals how the patent office addressed these issues.

4. How can licensees leverage the '357 patent?
They can gain exclusive rights to manufacture or distribute the protected compound or method, facilitating market entry with reduced legal risks.

5. How does patent landscape analysis assist in strategic planning?
It identifies voids, overlaps, and potential threats or allies, informing R&D direction, licensing deals, and litigation strategies.


References

[1] U.S. Patent and Trademark Office, Patent Number 9,186,357.
[2] Patent prosecution records and filing history (publicly accessible via USPTO database).
[3] Industry reports on patent landscapes in pharmaceutical development (supported by industry-specific IP analyses).

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Drugs Protected by US Patent 9,186,357

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Helsinn Hlthcare AKYNZEO netupitant; palonosetron hydrochloride CAPSULE;ORAL 205718-001 Oct 10, 2014 RX Yes Yes 9,186,357 ⤷  Get Started Free USE IN COMBINATION WITH DEXAMETHASONE IN ADULTS FOR THE PREVENTION OF ACUTE AND DELAYED NAUSEA AND VOMITING ASSOCIATED WITH INITIAL AND REPEAT COURSES OF CANCER CHEMOTHERAPY, INCLUDING, BUT NOT LIMITED TO, HIGHLY EMETOGENIC CHEMOTHERAPY ⤷  Get Started Free
Helsinn Hlthcare AKYNZEO fosnetupitant chloride hydrochloride; palonosetron hydrochloride POWDER;INTRAVENOUS 210493-001 Apr 19, 2018 DISCN Yes No 9,186,357 ⤷  Get Started Free USE IN COMBINATION WITH DEXAMETHASONE IN ADULTS FOR THE PREVENTION OF ACUTE AND DELAYED NAUSEA AND VOMITING ASSOCIATED WITH INITIAL AND REPEAT COURSES OF HIGHLY EMETOGENIC CANCER CHEMOTHERAPY ⤷  Get Started Free
Helsinn Hlthcare AKYNZEO fosnetupitant chloride hydrochloride; palonosetron hydrochloride SOLUTION;INTRAVENOUS 210493-002 May 27, 2020 RX Yes Yes 9,186,357 ⤷  Get Started Free USE IN COMBINATION WITH DEXAMETHASONE IN ADULTS FOR THE PREVENTION OF ACUTE AND DELAYED NAUSEA AND VOMITING ASSOCIATED WITH INITIAL AND REPEAT COURSES OF HIGHLY EMETOGENIC CANCER CHEMOTHERAPY ⤷  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 9,186,357

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 3083 ⤷  Get Started Free
Australia 2010320598 ⤷  Get Started Free
Brazil 112012011485 ⤷  Get Started Free
Canada 2778301 ⤷  Get Started Free
Chile 2012001276 ⤷  Get Started Free
China 102655864 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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