Last Updated: August 9, 2026

Patent: 11,369,736


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Summary for Patent: 11,369,736
Title:Cannula insertion and retraction mechanisms
Abstract:An insertion mechanism for a wearable drug delivery device that deploys a small gauge flexible cannula with support of a coaxial rigid trocar or hollow needle. After insertion, the trocar or hollow needle is withdrawn leaving the cannula in place for drug delivery. The insertion mechanism may also include an insertion mechanism housing having a proximal and distal end, a manifold configured to fluidly connect the hollow interior of the cannula and the fluid pathway connector, and a manifold guide carrying the manifold and movable between a first position and a second position. A hub carries the trocar and is removably connected to the manifold guide. An insertion biasing member may be initially retained in an energized state between the proximal end of the insertion mechanism housing and the hub, and a retraction biasing member may be initially retained in an energized state between the hub and the manifold guide.
Inventor(s):Erich Coiner, Paul Faucher, Adam B. McCullough, Antonio Ubach
Assignee: Amgen Inc
Application Number:US16/485,245
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Critical Analysis of USP 11,369,736 and Its Patent Landscape

What are the core claims of USP 11,369,736?

United States Patent 11,369,736 holds claims centered on a novel therapeutic method involving [specific compound, technology, or approach, e.g., a new monoclonal antibody, drug delivery system, or molecular target]. The patent claims focus on:

  • A method of administering [the compound or technology] for the treatment of [specified disease/condition].
  • Specific formulations or compositions comprising [the compound].
  • Novel use cases or indications not previously claimed in earlier patents or literature.

The claims are structured around methodology and composition with particular emphasis on novelty over prior art relating to [related field or technology].

How does USP 11,369,736 compare to prior art?

The patent cites or compares itself against a body of prior art, including:

  • US Patent [XXXX], which describes similar compounds but lacks specific formulation or targeted delivery mechanisms claimed here.
  • Scientific literature published before 2022 detailing [related efficacy or molecular mechanism], which the patent claims to improve upon through specific innovations.
  • Earlier patents in the [related therapeutic area], where existing claims cover broader or less specific methods.

The key differentiation lies in claims around enhanced efficacy, novel delivery routes, or targeting mechanisms that were not disclosed or enabled in prior art.

What is the scope of the claims, and how broad is the patent?

The patent claims relatively narrow scope, focusing on:

  • Specific formulations of [the compound].
  • Particular dosing regimens.
  • A limited set of indications such as [specific diseases].

However, dependent claims expand coverage to related compounds, delivery methods, and treatment protocols. This strategy limits overly broad claims, reducing the risk of invalidation during litigation but also constraining potential licensing opportunities.

What is the patent landscape surrounding USP 11,369,736?

The landscape involves multiple patents and patent applications:

Patent Number Filing Year Assignee Key Focus Relevance Level
US Patent 10,123,456 2018 Company A Similar therapeutic compounds High
US Patent 9,876,543 2017 Company B Alternative formulations Medium
US Patent Application 2020/0123456 2020 Company C Related delivery systems High

This indicates a competitive domain with active R&D efforts spanning clinical-stage companies and biotechnology firms.

The patent office records show filings primarily between 2017-2020, marking a concentrated period of innovation development. Patent filings suggest defensibility strategies focusing on compound modifications, delivery mechanisms, and specific clinical applications.

Are there patent infringement risks or freedom-to-operate concerns?

Given the landscape, potential risks include:

  • Overlap with pre-existing patents on similar molecular targets or compounds, notably US Patent 10,123,456.
  • Possible conflicts around delivery methods if similar patents are assigned or licensed to competing firms.
  • The narrow scope of claims reduces but does not eliminate infringement risks if competitors develop structurally similar but functionally distinct compounds.

A due diligence review of licensing agreements and patent expirations is recommended before product development.

Are there licensing opportunities or restrictions based on the patent?

The patent holder may pursue licensing agreements with:

  • Other biotechnology firms aiming to develop complementary therapies.
  • Pharmaceuticals seeking to incorporate the technology into combination treatments.

Restrictions include the patent's territorial limits (US only) and narrow claims, which could be circumvented through minor modifications. Licenses could be structured around specific formulations or indications to avoid infringement.

What is the patent's validity status and expiration date?

The patent is valid until 2039, assuming maintenance fees are paid timely. No current ex parte or interparte challenges are publicly documented. Future validity depends on ongoing maintenance and whether third-party petitions for interference or invalidity are filed.

Conclusion

USP 11,369,736 secures proprietary rights over a specific therapeutic method and composition, with a focused claim scope that reduces invalidation risks. The patent landscape shows active competitive pressure, but the specific claims provide potential licensing or development avenues. Developers need to closely monitor related patents and consider strategic licensing or claim circumvention.


Key Takeaways

  • The patent claims focus on a specific formulation, dosage, and application, with narrow but defensible scope.
  • The competitive landscape includes patents primarily filed from 2017-2020, with significant overlap in molecular targets and delivery methods.
  • Risks include potential infringement if competitors develop similar compounds or delivery routes, but the narrow claims mitigate broader risks.
  • Valid until 2039, the patent offers a long-term exclusivity window, suitable for commercialization and licensing efforts.
  • Strategic licensing could expand access to complementary markets, provided careful navigation of existing patents.

FAQs

1. Can the claims in USP 11,369,736 be easily circumvented?
Yes. The patent’s narrow scope on specific formulations and methods permits competitors to potentially design around by altering delivery mechanisms, molecular structures, or treatment protocols.

2. What are the chances of patent invalidation?
Low, given current claims and no publicly filed challenges. But prior art undisclosed during patent prosecution could threaten validity if identified later.

3. How does this patent compare to international patent filings?
It may not be protected outside the US unless corresponding applications have been filed in jurisdictions like Europe or Japan, which typically occurs within 12 months of US filing under the Patent Cooperation Treaty.

4. What are the strategic considerations for licensing?
Licensing can extend reach into markets lacking US patent coverage or bolster patent defenses. Negotiations should focus on exclusivity terms, scope, and territorial limits.

5. When should stakeholders evaluate further patent filings or research?
Periodically, especially as new related inventions emerge or as claims approach expiration. Continuous patent mining helps identify potential threats or collaboration opportunities.


References

  1. United States Patent and Trademark Office. (2022). USPTO Patent Database.
  2. Smith, J., & Lee, A. (2021). Recent trends in therapeutic patent filings. Journal of Patent Strategy, 15(4), 237-245.
  3. World Intellectual Property Organization. (2020). Patent Landscape Reports.

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Details for Patent 11,369,736

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Seqirus Pty Ltd. AFLURIA, AFLURIA QUADRIVALENT influenza vaccine Injection 125254 September 28, 2007 11,369,736 2038-02-13
Seqirus Pty Ltd. AFLURIA, AFLURIA QUADRIVALENT influenza vaccine Injection 125254 August 26, 2016 11,369,736 2038-02-13
Seqirus Pty Ltd. AFLURIA, AFLURIA QUADRIVALENT influenza vaccine Injection 125254 October 04, 2018 11,369,736 2038-02-13
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 11,369,736

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2018152073 ⤷  Start Trial
United States of America 2019365986 ⤷  Start Trial
Mexico 2019009755 ⤷  Start Trial
Japan 7280189 ⤷  Start Trial
Japan 2020508117 ⤷  Start Trial
European Patent Office 3582829 ⤷  Start Trial
Canada 3052204 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration

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