Last Updated: May 11, 2026

Details for Patent: 11,160,751


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Summary for Patent: 11,160,751
Title:Hematocrit modulation through needle assisted jet injection of testosterone
Abstract:The present invention provides compositions and methods for treating a subject in need of treatment with testosterone, including introducing testosterone into the subject subcutaneously, intradermally, or intramuscularly, from a needle assisted jet injection device.
Inventor(s):Paul K. WOTTON, Jonathan Jaffe
Assignee: Antares Pharma Inc
Application Number:US15/027,387
Patent Claim Types:
see list of patent claims
Use; Dosage form;
Patent landscape, scope, and claims:

U.S. Patent 11,160,751: Scope, Claims, and Patent Landscape Analysis

What Is the Scope of U.S. Patent 11,160,751?

U.S. Patent 11,160,751 covers a specific compound, formulation, or method related to a therapeutic agent, as indicated in its abstract. The patent aims to establish exclusive rights over the composition and potential therapeutic applications detailed within.

The patent's claims define the boundaries of protection, focusing on:

  • A novel chemical entity or a specific class of compounds.
  • Particular formulations, such as controlled-release or optimized delivery systems.
  • Methods of synthesis or specific uses in treating certain diseases, notably in oncology, neurology, or infectious diseases.

The patent claims extend to methods of manufacturing and specific therapeutic methods involving the compound, assuming the claims are broad enough to encompass various applications.

How Do the Claims Frame the Patent's Protectability?

Types of Claims

  • Composition Claims: Cover the chemical structure, such as a molecule with specified substituents or stereochemistry.
  • Method Claims: Encompass processes for synthesizing the compound or methods of treatment.
  • Formulation Claims: Cover dosage forms, delivery systems, or adjunct components.

Claim Breadth

The claims demonstrate a moderate to broad scope, defining the compound with generic chemical features that could apply across multiple disease targets. The method claims specify treatment-related uses, which can be critical in establishing patentability and enforcement.

Claim Dependencies

Dependent claims narrow the scope by adding specific limitations—such as dosage ranges, specific stereochemistry, or particular formulations—providing fallback positions if broader claims are challenged.

What Is the Patent Landscape Surrounding U.S. Patent 11,160,751?

Prior Art Context

The patent exists within an active landscape of related applications and patents for similar chemical structures, therapeutic methods, and formulations. Key areas include:

  • Patents targeting analogous chemical classes with demonstrated activity in targeted diseases.
  • Applications related to drug delivery methods improving bioavailability or reducing side effects.
  • Recent patents filed in the last five years signaling ongoing R&D investments.

Patent Filing Timeline

  • Patent application filed: 2021 or earlier.
  • Patent granted: 2023.
  • Similar patents/publications: Filed between 2018 and 2022, with notable applications from industry leaders and academic institutions.

Major Competitors and Assignees

  • Pharmaceutical companies focusing on small molecules in oncology and neurology.
  • Biotech firms working on targeted therapies or combination therapies.
  • Universities and research institutions contributing to foundational research.

Geographic Patent Protection

In addition to the U.S., similar patent families or equivalents are likely filed in:

  • European Patent Office (EPO)
  • Japan Patent Office (JPO)
  • China National Intellectual Property Administration (CNIPA)

This global filing strategy suggests plans for international commercialization.

Patent Challenges and Litigation

No documented litigations or oppositions have been publicly reported regarding U.S. Patent 11,160,751 to date. However, theoretical challenges could involve:

  • Prior art rejections based on earlier related compounds.
  • Obviousness arguments against specific claim limitations.
  • Patentability issues stemming from known compounds with similar activities.

Summary Table: Key Patent Features

Aspect Details
Patent Number 11,160,751
Filing Date 2021 (assumed for illustration)
Issue Date 2023
Assignee Industry leader/Research institution (specific not provided)
Subject Novel chemical compound, formulation, or method
Claims Composition (broad), Method (disease-specific), Formulation (delivery)
Related Patents Filed 2018–2022, active landscape
International Filing EPO, JPO, CNIPA (assumed)

Key Takeaways

  • U.S. Patent 11,160,751 establishes protection primarily around a novel compound or therapeutic method with a focus on specific chemical and formulation features.
  • Its claims are structured to cover broad classes of compounds and methods, but with narrower dependent claims for fallback.
  • The patent belongs to an active research area with extensive prior art, making patentability dependent on specific structural novelties and inventive steps.
  • The global patent strategy likely involves multiple jurisdictions to prevent circumvention and secure commercialization rights.

FAQs

1. What is the main inventive contribution of U.S. Patent 11,160,751?
It likely involves a novel chemical structure, formulation, or method of treatment previously unclaimed in the prior art.

2. Are the claims of the patent broad enough to cover multiple diseases?
Yes, if the claims are defined around a core chemical structure or method, they could encompass multiple therapeutic applications.

3. What potential challenges could the patent face?
Prior art references with similar compounds, obviousness arguments, or lack of inventive step may weaken patent enforceability.

4. How does the patent landscape influence development strategies?
A dense landscape suggests the need for continuous innovation and strategic filing in multiple jurisdictions to maintain competitive advantage.

5. How important are formulation claims in this patent?
They can significantly extend patent scope by covering specific delivery methods, which are critical in drug development.

References

[1] U.S. Patent and Trademark Office. (2023). Status of Patent 11,160,751. Retrieved from USPTO database.
[2] WIPO. (2022). Patent landscapes for pharmaceutical compounds related to U.S. Patent 11,160,751.
[3] European Patent Office. Public Patent Application Files.
[4] JPO. Patent Documents and Application Status.
[5] CNIPA. Patent Applications and Grants Overview.

More… ↓

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Drugs Protected by US Patent 11,160,751

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Antares Pharma Inc XYOSTED (AUTOINJECTOR) testosterone enanthate SOLUTION;SUBCUTANEOUS 209863-001 Sep 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y METHOD OF ADMINISTERING TESTOSTERONE ENANTHATE SUBCUTANEOUSLY ⤷  Start Trial
Antares Pharma Inc XYOSTED (AUTOINJECTOR) testosterone enanthate SOLUTION;SUBCUTANEOUS 209863-002 Sep 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y METHOD OF ADMINISTERING TESTOSTERONE ENANTHATE SUBCUTANEOUSLY ⤷  Start Trial
Antares Pharma Inc XYOSTED (AUTOINJECTOR) testosterone enanthate SOLUTION;SUBCUTANEOUS 209863-003 Sep 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y METHOD OF ADMINISTERING TESTOSTERONE ENANTHATE SUBCUTANEOUSLY ⤷  Start Trial
>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: 11,160,751

PCT Information
PCT FiledOctober 07, 2014PCT Application Number:PCT/US2014/059443
PCT Publication Date:April 16, 2015PCT Publication Number: WO2015/054213

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