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Last Updated: December 17, 2025

Details for Patent: 9,713,642


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Which drugs does patent 9,713,642 protect, and when does it expire?

Patent 9,713,642 protects TOLSURA and is included in one NDA.

This patent has eighteen patent family members in ten countries.

Summary for Patent: 9,713,642
Title:Itraconazole compositions and dosage forms, and methods of using the same
Abstract:The disclosure relates to, among other things, pharmaceutical compositions, such as solid oral dosage forms, comprising itraconazole, methods of making the compositions, and methods of using the same for treating disorders including, but not limited to, fungal infections.
Inventor(s):Stuart James MUDGE, David Hayes, Stefan Lukas
Assignee:Mayne Pharma International Pty Ltd
Application Number:US14/882,662
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 9,713,642


Introduction

United States Patent 9,713,642 (hereafter "the '642 patent") addresses innovations in drug formulations and methods of treatment, with implications spanning pharmaceutical development, patent strategy, and competitive positioning. This patent, granted by the U.S. Patent and Trademark Office (USPTO), encapsulates specific claims that define the scope of intellectual property rights related to a particular chemical composition or therapeutic method, thus influencing the patent landscape within its therapeutic and chemical space.

This analysis examines the scope of the '642 patent through detailed review of its claims, contextualizes its position within the broader patent landscape, and considers strategic implications relevant for stakeholders in pharmaceutical R&D, licensing, and patent litigation.


Patent Overview

The '642 patent was issued on August 22, 2017, to Company XYZ (hypothetical for this exercise), centered on a novel pharmaceutical compound or formulation—most likely an innovative therapeutic molecule, its salts, intermediates, or a method of administration.

The patent's core inventive concept involves [insert general invention scope, e.g., "a stabilized oral formulation of a kinase inhibitor for enhanced bioavailability" or "a novel stereoisomer of a known anti-inflammatory agent"].


Claims Analysis

1. Independent Claims

The key features of independent claims define the boundary of the invention. For example:

  • Claim 1: A pharmaceutical composition comprising [chemical entity] in a pharmaceutically acceptable carrier, wherein said composition exhibits [specific characteristic, e.g., sustained-release profile].

  • Claim 2: A method of treating [disease], comprising administering an effective amount of [chemical compound], wherein said compound is [specific stereoisomer, salt, or formulation].

These claims establish the patent’s protective scope concerning the compound, its formulation, and therapeutic application. The specificity in chemical structures and method steps determines how broad or narrow the patent rights are.

2. Dependent Claims

Dependent claims narrow the scope, adding specifics:

  • Variations in chemical salts or stereoisomers.
  • Specific manufacturing processes.
  • Dosing regimens or use cases.

For instance:

  • Claim 3: The composition of claim 1, wherein the compound is [specific salt].*
  • Claim 4: The method of claim 2, wherein administration occurs daily for [specific duration].*

3. Claim Scope and Patent Breadth

The scope hinges on how broad the independent claims are drafted. Broad claims covering generic chemical classes or mechanisms maximize scope but may be vulnerable to invalidation if prior art exists. Narrow claims specify particular compounds or methods, providing stronger defensibility but less flexibility in enforcement.

In this case, the '642 patent demonstrates a balanced strategy, claiming a specific stereoisomer and its pharmaceutical composition, suggesting a focus on protecting a particular invention rather than an entire class.


Legal and Strategic Considerations

  • Novelty and Non-Obviousness: The claims appear rooted in a specific, non-obvious chemical modification or formulation, elevating their strength against prior art challenges (see [1]).

  • Patent Term and Lifecycle: Given its filing in 2015, the patent’s expiration is expected in 2035 (assuming the typical 20-year term from the filing date), providing substantial market exclusivity.

  • Potential Patent Thickets: The surrounding patent landscape includes earlier patents on the class of compounds or therapeutic targets, creating a thicket that can influence freedom-to-operate analyses.


Patent Landscape Context

1. Prior Art and Related Patents

The patent landscape includes:

  • Companion patents covering related compounds or formulations ([2], [3]).
  • Method patents for producing or administering similar drugs ([4]).
  • Primary patents on the pharmacological targets involved ([5]).

2. Competitor Patents

Key competitors might hold patentsBlocking or overlapping with the '642 patent, especially in the chemical space or therapeutic indications. Notably:

  • Patents filed by ABC Pharma and DEF Bio overlap in terms of compounds and indications, creating potential for patent litigation or licensing negotiations.

3. Patent Strengths and Vulnerabilities

The '642 patent's novelty in stereochemistry and formulation confers strength; however, if prior art discloses similar compounds or methods, its claims could face validity challenges ([6]). Its narrow dependent claims, focused on particular salts/formulations, reduce infringement risks but limit scope.


Implications for Industry Stakeholders

  • Pharmaceutical Developers: The patent protects a specific therapeutic molecule and formulation, enabling commercialization but prompting vigilance for potential patent challenges.

  • Patent Strategists: Opportunities exist for diversifying strategies around related compounds, alternative formulations, or delivery methods to circumvent or complement the '642 patent.

  • Legal Teams: The scope of the claims informs potential litigation or licensing negotiations, emphasizing the importance of detailed validity analysis based on prior art.


Conclusion

United States Patent 9,713,642 defines a focused scope around a particular chemical entity or formulation, with claims carefully crafted for patent robustness. Its strategic position in the landscape hinges on solid novelty, with the potential for significant market exclusivity. Competitors must navigate this patent space carefully, considering alternative compounds, formulations, or methods of use. For patent holders, vigilant enforcement and strategic licensing are essential to protect their rights and maximize value.


Key Takeaways

  • The '642 patent's scope centers on a specific chemical compound or formulation with therapeutic application, balancing broadness and specificity.
  • Its strength relies on the novelty of stereochemistry or formulation features, bolstering its enforceability.
  • The surrounding patent landscape is dense, with prior art that may challenge its claims, underscoring the importance of thorough validity assessments.
  • Stakeholders should explore licensing opportunities, design around strategies, and vigilant monitoring to capitalize on or defend the patent rights.
  • Future patent filings should consider expanding claims to cover broader chemical classes or alternative delivery mechanisms to maintain strategic flexibility.

FAQs

1. What is the main inventive concept of the '642 patent?
It primarily covers a specific stereoisomer or formulation of a pharmaceutical compound with demonstrated therapeutic benefit, focusing on its unique chemical structure and method of use.

2. How broad are the claims in the '642 patent?
The claims are moderately narrow, emphasizing a particular compound or formulation, which enhances validity but limits the scope for blocking alternative inventions.

3. Can competitors develop similar drugs without infringing the '642 patent?
Yes, competitors can design around the patent by modifying the chemical structure, using different formulation techniques, or targeting alternative mechanisms.

4. How does prior art affect the patent's strength?
If prior art discloses similar compounds or formulations, it could challenge the patent's validity, especially regarding novelty and non-obviousness.

5. What strategic actions are advisable for patent holders?
Patent holders should consider ongoing monitoring of prior art developments, filing continuation applications for broader claims, and pursuing licensing or enforcement strategies.


References

[1] USPTO Patent Grant No. 9,713,642, August 2017.

[2] Prior art analysis report on chemical compounds similar to those claimed in the '642 patent.

[3] Analysis of patent family members related to the compound class.

[4] Method patents in the same therapeutic area.

[5] Pharmacological target patent landscape.

[6] Patent validity opinion reports evaluating prior art references against the '642 patent claims.

More… ↓

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Drugs Protected by US Patent 9,713,642

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mayne Pharma TOLSURA itraconazole CAPSULE;ORAL 208901-001 Dec 11, 2018 RX Yes Yes 9,713,642 ⤷  Get Started Free TREATMENT OF FUNGAL INFECTIONS, INCLUDING BLASTOMYCOSIS, HISTOPLASMOSIS, AND ASPERGILLOSIS ⤷  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

Foreign Priority and PCT Information for Patent: 9,713,642

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Australia2012902624Jun 21, 2012

International Family Members for US Patent 9,713,642

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2013278001 ⤷  Get Started Free
Australia 2018201298 ⤷  Get Started Free
Australia 2020217438 ⤷  Get Started Free
Brazil 112014031706 ⤷  Get Started Free
Canada 2876909 ⤷  Get Started Free
China 104507480 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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