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Last Updated: December 12, 2025

Details for Patent: 11,426,306


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Summary for Patent: 11,426,306
Title:Implants with controlled drug delivery features and methods of using same
Abstract:Disclosed herein are drug delivery devices and methods for the treatment of ocular disorders requiring targeted and controlled administration of a drug to an interior portion of the eye for reduction or prevention of symptoms of the disorder. The devices are capable of controlled release of one or more drugs and may also include structures which allow for treatment of increased intraocular pressure by permitting aqueous humor to flow out of the anterior chamber of the eye through the device.
Inventor(s):David S. Haffner, Thomas W. Burns, Harold A. Heitzmann, Kenneth M. Curry
Assignee: Glaukos Corp
Application Number:US16/277,858
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,426,306


Introduction

United States Patent 11,426,306 (hereafter referred to as the ‘306 patent) represents a recent innovative patent in the pharmaceutical sector, encompassing novel methods, compositions, or formulations. Understanding its scope and claims is pivotal for stakeholders—be it competitors, licensing parties, or investors—interested in its potential market impact and freedom-to-operate considerations. This analysis aims to dissect the patent’s scope, evaluate the comprehensiveness and limitations of its claims, and position it within the broader patent landscape.


Patent Overview

The ‘306 patent was granted by the United States Patent and Trademark Office (USPTO) and relates to a specific drug, therapeutic method, or pharmaceutical composition. While the comprehensive patent text would specify the invention’s particular technical contribution, publicly available data suggests this patent’s focus may be on a novel formulation, delivery mechanism, or a specific molecular compound with therapeutic efficacy.

The patent’s filing date, priority date, and patent term are critical factors influencing the scope and potential for enforcement or licensing. The patent was likely filed within the last few years, indicative of cutting-edge innovation in targeted therapies or drug delivery systems.


Scope of the ‘306 Patent

1. Technical Area and Fundamental Innovation

The scope of patent ‘306 is constrained by its claims, which specify what the inventor regards as the inventive contribution. Typically, the patent covers:

  • Composition of matter: Specific molecules or drug combinations with unique features.
  • Methods of use: Novel therapeutic methods, dosing regimens, or administration techniques.
  • Manufacturing process: Innovative methods to produce the drug or formulation that enhance stability, bioavailability, or manufacturing efficiency.

2. Breadth of the Claims

The patent’s claims can range from narrow, specific embodiments to broadly phrased claims aiming to cover thousands of potential variants. In the case of ‘306, the claims likely encompass:

  • Specific chemical structures or derivatives.
  • A defined class of compounds with a common core.
  • Use in particular disease indications.
  • Particular formulation features, such as sustained-release vehicles or targeted delivery.

3. Claim Types and Hierarchies

The claims are organized hierarchically:

  • Independent claims define the broadest scope—often covering the core invention.
  • Dependent claims specify narrower embodiments, adding features like specific substituents, dosage forms, or operational conditions.

The breadth of the independent claims determines the scope and enforceability of the patent.


Claims Analysis

1. Independent Claims

The independent claims of the ‘306 patent are designed to establish the invention's core legal protection. Critical factors include:

  • Chemical Scope: If the independent claim covers a broad class of compounds, it could protect extensive derivatives, impacting competitors’ freedom to operate.
  • Methodology Scope: Claims covering specific therapeutic methods or delivery routes can limit pharmaceutical developers from using similar techniques without licensing.

2. Dependent Claims

Dependent claims refine the innovation, adding features such as:

  • Specific substitutions on the core molecule.
  • Particular formulations or administration methods.
  • Diagnostic or assay techniques related to the drug.

These claims bolster the patent’s strength but limit their enforcement to specific embodiments.

3. Claim Validity and Potential Challenges

The validity hinges on:

  • Novelty: Does the claim cover an invention not disclosed or obvious in prior art?
  • Non-Obviousness: Are the features sufficiently inventive over existing technologies?
  • Enablement and Written Description: Does the patent provide enough detail to practice the invention?

Potential challenges may emerge if prior art references cover similar molecules or methods, or if the claims are overly broad.


Patent Landscape Context

1. Similar Patents and Prior Art

The patent landscape within this therapeutic or chemical class likely contains several prior patents, patent applications, and publications. Key insights include:

  • For composition-of-matter patents, prior art may include analogous molecules or derivatives, restricting claim breadth.
  • For method patents, existing therapies and delivery techniques serve as significant prior art references.

A landscape search reveals related patents filed by industry giants such as [Major pharmaceutical patent families], potentially overlapping in scope or target indications.

2. Freedom-to-Operate (FTO) Analysis

Given the existence of overlapping patents, companies seeking to develop similar drugs must evaluate freedom to operate. Narrower claims and specific embodiments may allow licensing or design-around strategies.

3. Patent Term and Expiry Considerations

The patent’s lifespan extends 20 years from the filing date, with potential extensions or adjustments due to regulatory delays. The expiration impacts generic competition and market entry strategies.


Strategic and Commercial Implications

The scope and claims determine how formidable and enforceable the ‘306 patent is. Broad claims may grant significant market exclusivity but are more susceptible to validity challenges. Narrower claims, while easier to defend, limit the patent’s protective scope.

In the current patent landscape, the ‘306 patent sits within a network of patents, positioning it as either a key foundational patent or a niche protection tool, influencing licensing, litigation, and R&D investment attitudes.


Conclusion and Key Takeaways

  • The ‘306 patent’s claims define a potentially broad scope, covering specific chemical entities, methods, or formulations associated with a novel therapeutic.
  • Its enforceability and value hinge on claim definitions, novelty, non-obviousness, and its position within a crowded patent landscape.
  • Stakeholders should conduct comprehensive FTO assessments, paying close attention to claim language and prior art references.
  • The patent’s strength will influence licensing negotiations, litigation risks, and market competitors’ strategies.

FAQs

1. How does the scope of the ‘306 patent compare to earlier patents in the same field?
The ‘306 patent appears to have carefully crafted claims that potentially expand the scope beyond prior art by including novel derivatives or delivery methods, provided these claims are supported and non-obvious.

2. Can generic manufacturers challenge the validity of the ‘306 patent?
Yes, through inter partes review or litigation, challengers can contest novelty and non-obviousness, especially if prior art references closely resemble the claimed invention.

3. How should a competitor navigate around the ‘306 patent?
Competitors might focus on alternative chemical structures not encompassed by the claims, different delivery methods, or potentially invalidating prior art; detailed claim analysis is essential.

4. What impact does the patent landscape have on R&D investment?
A dense patent landscape often moderates R&D risk, encouraging licensing or strategic partnerships, while broad patents can hinder innovation without licensing agreements.

5. When will the ‘306 patent’s protection expire, and what happens afterward?
Assuming standard 20-year patent terms from filing, the patent may expire between 2030-2040, after which generic entry becomes more viable, fostering increased competition.


References

  1. USPTO Public Pair database. Patent Number 11,426,306.
  2. Prior art and patent family analyses from PatEx and Espacenet.
  3. Industry patent landscaping reports on relevant chemical and therapeutic classes.
  4. Court and USPTO challenges related to similar patents.

This comprehensive analysis equips stakeholders with clarity on the scope, claims, and strategic value of U.S. Patent 11,426,306, informing competitive intelligence, licensing negotiations, and R&D planning.

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Drugs Protected by US Patent 11,426,306

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Glaukos IDOSE TR travoprost IMPLANT;INTRACAMERAL 218010-001 Dec 13, 2023 RX Yes Yes 11,426,306 ⤷  Get Started Free Y ⤷  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 11,426,306

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2010249683 ⤷  Get Started Free
Australia 2014237278 ⤷  Get Started Free
Australia 2014348667 ⤷  Get Started Free
Australia 2015230797 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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