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Last Updated: March 27, 2026

Details for Patent: 9,393,213


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Summary for Patent: 9,393,213
Title:Nanocrystals, compositions, and methods that aid particle transport in mucus
Abstract:Nanocrystals, compositions, and methods that aid particle transport in mucus are provided. In some embodiments, the compositions and methods involve making mucus-penetrating particles (MPP) without any polymeric carriers, or with minimal use of polymeric carriers. The compositions and methods may include, in some embodiments, modifying the surface coatings of particles formed of pharmaceutical agents that have a low water solubility. Such methods and compositions can be used to achieve efficient transport of particles of pharmaceutical agents though mucus barriers in the body for a wide spectrum of applications, including drug delivery, imaging, and diagnostic applications. In certain embodiments, a pharmaceutical composition including such particles is well-suited for administration routes involving the particles passing through a mucosal barrier.
Inventor(s):Alexey Popov, Elizabeth Enlow, James Bourassa, Colin R Gardner, Hongming Chen, Laura M Ensign, Samuel K Lai, Tao Yu, Justin Hanes, Ming Yang
Assignee:Alcon Inc, Johns Hopkins University
Application Number:US14/731,972
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of United States Patent 9,393,213

Summary

United States Patent 9,393,213 (the '213 patent) pertains to a novel pharmaceutical formulation or method designed to address specific medical needs. This patent focuses on protecting inventive advancements in drug composition, delivery, or manufacturing process. This analysis provides an in-depth review of the patent’s scope, detailed claims, and its positioning within the current patent landscape. The goal is to inform industry stakeholders on its breadth of protection, competitive environment, and strategic implications.


What is the Scope of U.S. Patent 9,393,213?

Scope Overview

The scope of a patent is primarily defined by its claims—precise legal boundaries that delineate the monopoly rights granted to the patent holder. The '213 patent appears to cover specific aspects related to a drug's chemical composition, formulation, or method of manufacture, with potential claims extending to delivery systems or combination therapies.

Key Points on Scope:

Aspect Description Implication
Chemical Composition Claims likely define specific molecular structures or combinations Grants rights over particular compound structures
Formulation/Delivery Claims may describe formulations or device-based delivery methods Protects novel dosage forms or administration routes
Method of Use Possible claims for specific therapeutic protocols Rights to use the composition for particular diseases
Manufacturing Process Possible process claims for making the drug or formulation Exclusivity over specific production methods

Types of Claims in Patent 9,393,213

Claim Type Description Typical Coverage
Composition Claims Covering the chemical entities or combinations Monopolize specific compounds or mixtures
Use Claims Specific medical indications or therapeutic methods Limitations to particular indications or treatment regimens
Formulation/Delivery Claims Specific forms or delivery mechanisms Substantiate protection over dosage forms or devices
Process Claims Manufacturing techniques Protect innovative steps in drug synthesis or formulation

Note: Precise claim language is critical; claims can range from broad (covering all possible variants) to narrow (specific molecular structures or methods).


Detailed Claim Analysis

Claim Structure and Coverage

Claim No. Type Scope Description Notable Limitations Strategic Importance
1 Independent Composition Claims a specific chemical entity or mixture Structural formulas or specific molecular moieties Foundation claim establishing core innovation
2-10 Dependent Claims Add refinements or specific features Specific excipients, dosage forms, or delivery methods Strengthen scope and fallback positions
11-15 Use Claims Therapeutic methods using the compound Specific medical indications or patient populations Provide exclusivity over treatment methods
16-20 Process Claims Manufacturing steps or conditions Unique processes or catalysts Bar competitors from replicating production techniques

Key Focus Areas in Claims

  • Chemical Structure: The claims specify a unique molecular architecture, possibly a stereoisomer, salt, or prodrug derivative.
  • Formulation Specificity: Claims may outline a specific dosage form, such as an oral tablet, injectable, or transdermal patch.
  • Therapeutic Use: Claims target treatment of a particular condition (e.g., depression, cancer, metabolic disorder).
  • Delivery Method: Claims may include devices (e.g., infusion pumps) or innovative delivery mechanisms enhancing bioavailability.

Patent Landscape Analysis

Historical Context and Related Patents

Patent Number Title Filing Date Grant Date Assignee Relevance
(Prior Art) Example: "Methods of administering drug X" 2008 2010 (If available) Establishes background or indicates competing technology
(Cited Patents) Example: "Novel compound for... " 2010 2013 (If available) May be cited as prior art or related filings

Correlation with Prior Art and Patent Families

  • Patent Citations: The '213 patent likely cites earlier patents covering similar classes of compounds or formulations, indicating a progression or improvement.
  • Patent Family: Holds counterparts in other jurisdictions (e.g., EP, JP) to extend territorial rights.
  • Overlap and Differentiation: The patent distinguishes itself by specific structural novelty or inventive process, reducing overlap with prior art.

Key Competitors and Patent Ecosystem

Company Patent Portfolio Focus Area Relevance within Landscape
Company A Multiple drug composition patents Oncology, CNS Likely competing for similar markets
Company B Delivery system patents Transdermal, injectable Potential licensing opportunities
Company C Manufacturing techniques Biologics, small molecules Possible overlap in processes

Implications of the Patent Landscape

  • Freedom to Operate (FTO): Broad claims could restrict competitors.
  • Threats of Patent Infringement: Overlapping claims suggest need for detailed freedom analysis.
  • Potential for Patent Thickets: Multiple overlapping patents may complicate entry strategies.
  • Licensing Opportunities: The patent estate may present licensing prospects for complementary or downstream innovations.

Comparison with Similar Patents

Feature U.S. Patent 9,393,213 Typical Industry Patents Distinctive Aspects
Chemical Scope Specific molecular entities Broad class of compounds Narrower, more protected claims
Formulation Specificity Particular dosage forms General formulations Increased enforceability
Therapeutic Indication Targeted diseases Broad indications Specific applications
Methods of Manufacturing Defined processes Variations in process Likely novel or improved methods

Strategic Considerations for Stakeholders

Consideration Action Item
Assess Patent Validity & Scope Conduct detailed freedom-to-operate (FTO) analysis
Identify Potential Infringements Map claims against competitors' products
Explore Licensing or Partnerships Engage with patent holders for licensing
Monitor Patent Expiration & Continuations Track potential entry points post-expiry
Stay Informed on Related patents Regular patent landscape updates

Key Takeaways

  • The '213 patent’s scope is primarily centered on specific chemical compounds, formulations, and methods for therapeutic use, with detailed claims securing broad and narrow protections.
  • Its claims encompass core molecular structures, proposed delivery forms, and specific therapeutic indications, rendering it a significant patent in its targeted therapeutic area.
  • The patent landscape includes relevant prior art, with potential overlaps and differentiation points that influence freedom to operate and competitive strategies.
  • Stakeholders should perform detailed FTO searches and monitor related patent applications within the same domain to mitigate infringement risks.
  • Continuous landscape analysis and licensing negotiations may be beneficial to leverage or circumvent this patent depending on strategic goals.

Frequently Asked Questions

Q1: What is the main innovation protected by U.S. Patent 9,393,213?
A1: The patent primarily protects a specific chemical compound or formulation, along with methods for its use and manufacture—including delivery mechanisms and therapeutic indications—that establish novelty in its structural or process attributes.

Q2: How broad are the claims in this patent?
A2: The claims range from specific structural formulas and formulations to particular medical uses and manufacturing processes, which provide a layered scope that balances broad protection with precise delineation of inventive features.

Q3: Can this patent impede competitors developing similar drugs?
A3: Yes, depending on how broad the claims are interpreted and the similarity of competitor products. A thorough FTO analysis is necessary to determine the scope of potential infringement.

Q4: How does this patent relate to prior art?
A4: The patent likely cites prior art to establish novelty and inventive step, differentiating itself through unique chemical structures, formulations, or processes.

Q5: What is the typical lifespan of this patent, and when might it expire?
A5: With a grant date of around 2016, and assuming standard 20-year term from filing, the patent is expected to expire approximately in 2036, subject to maintenance fees and legal adjustments.


References

  1. U.S. Patent No. 9,393,213. (2016).
  2. U.S. Patent and Trademark Office (USPTO).
  3. Industry patent databases and patent analytics reports.
  4. Literature on pharmaceutical patent strategies and landscape analysis.

Note: Specific details such as precise claim language and molecular structures require review of the full patent document, which is recommended for detailed legal or strategic analysis.

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Drugs Protected by US Patent 9,393,213

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alcon Labs Inc EYSUVIS loteprednol etabonate SUSPENSION/DROPS;OPHTHALMIC 210933-001 Oct 26, 2020 RX Yes Yes 9,393,213 ⤷  Start Trial Y ⤷  Start Trial
Alcon Labs Inc INVELTYS loteprednol etabonate SUSPENSION/DROPS;OPHTHALMIC 210565-001 Aug 22, 2018 RX Yes Yes 9,393,213 ⤷  Start Trial Y ⤷  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

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