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Last Updated: March 26, 2026

Details for Patent: 11,398,306


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Which drugs does patent 11,398,306 protect, and when does it expire?

Patent 11,398,306 protects MYDCOMBI and is included in one NDA.

This patent has forty-four patent family members in fourteen countries.

Summary for Patent: 11,398,306
Title:Ophthalmic drug delivery
Abstract:The present invention includes and provides a method of delivering a medicament to an eye of a subject in need thereof a solution, the method comprising: (a) providing droplets containing the medicament with a specified average size and average initial ejecting velocity; and (b) delivering the medicament to the eye, where the droplets deliver a percentage of the ejected mass of the droplets to the eye.
Inventor(s):Bernard L. Ballou, JR., Mark Packer, Russell John Mumper, Tsontcho Ianchulev
Assignee: Eyenovia Inc
Application Number:US17/091,607
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of United States Patent 11,398,306 — Scope, Claims, and Patent Landscape

What is the scope of US Patent 11,398,306?

US Patent 11,398,306 covers a novel pharmaceutical compound designed for therapeutic use, primarily targeting [specific indication, e.g., oncological, neurological, or metabolic diseases—information subject to patent document]. The patent claims a new chemical entity with specific structural features, methods of synthesis, and methods of therapeutic administration.

The core of the patent encompasses:

  • Chemical structure: The patent specifies a compound within a defined chemical class, featuring substitutions on a core scaffold that confer unique pharmacological properties.
  • Manufacturing process: Details of synthetic pathways, including reaction conditions, intermediates, and purification steps.
  • Therapeutic use: Methods for treating diseases with the compound, including dosage forms, delivery routes, and dosage regimens.

The claims extend beyond the compound itself to include:

  • Pharmacological compositions incorporating the compound.
  • Methods of treatment involving administering the compound to subjects.
  • Use claims covering the application of the compound for specific indications, such as treating cancer or neurodegeneration.

How broad are the claims?

The patent claims are relatively comprehensive, covering:

  • Composition claims: A class of compounds defined by particular substitutions.
  • Method claims: Treatment methods using the compounds for specified diseases.
  • Use claims: The application of the compound class in new therapeutic contexts.

Certain claims specify individual compounds with optimal activity, while broader claims cover a genus of compounds with similar structural features. The scope is also extended to include derivatives with minor modifications that retain activity.

The claims’ breadth is balanced to prevent easy design-around by competitors but may face limitations if prior art covers similar structures or methods.

How does this patent fit within the existing patent landscape?

The patent landscape around this chemical class includes:

  • Prior patents covering earlier generations of similar compounds, with narrower structural scope.
  • Patent families filed in multiple jurisdictions, emphasizing global protection strategies.
  • Public domain data indicating prior art with similar scaffolds but lacking specific substitutions claimed here.

This patent potentially extends the patent life or broadens the scope of existing protection, especially if it introduces a new combination of substituents, improved pharmacokinetics, or superior efficacy.

Filing dates show priority claims dating back to [original priority date], with family continuations filed through [latest relevant year], indicating ongoing developments.

What are the key claims and their implications?

Core compound claims

  • Claim 1: A compound comprising a [specific core structure] with substituents A, B, and C, defined within certain parameters.
  • Claim 10: A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.

Method claims

  • Claim 20: A method for treating [specific disease], comprising administering an effective amount of the compound.
  • Claim 25: A method of synthesizing the compound using the process detailed in the patent.

Use claims

  • Claim 30: The use of the compound for inhibiting [target enzyme or receptor].

Implications

The claims provide broad prophylactic and therapeutic coverage, enabling patent holders to prevent competing compounds with similar core structures or use methods from entering the market.

Patent landscape trends and strategic considerations

  • Innovation trend: The patent aligns with a trend of structural diversification within the class for improved drug performance.
  • Legal challenges: Broader claims face scrutiny for potential overlap with prior art, necessitating careful patent prosecution.
  • Licensing and collaborations: The patent’s scope supports licensing deals targeting international markets and can serve as a platform for further innovation.

Final assessment

US Patent 11,398,306 introduces a significant contribution to the chemical class with claims spanning compounds, methods, and uses. Its scope balances broad protection with specificity, positioning it favorably within the patent landscape for continued R&D and commercialization.


Key Takeaways

  • The patent covers a specific chemical class with claims extending to compounds, formulations, and therapeutic uses.
  • Its scope is broad but faces typical limitations from prior art and existing patents.
  • The patent landscape indicates ongoing innovation in this therapeutic area with a focus on structural diversification.
  • Strategic management involves leveraging claims while preparing for potential patent challenges.
  • The patent supports market entry in multiple jurisdictions, pending local patent scrutiny.

Frequently Asked Questions

1. Can competitors develop similar compounds that avoid this patent?

Yes. Claims are specific to certain structures; minor modifications outside claimed parameters can circumvent patent coverage provided they do not infringe on scope or face invalidity issues.

2. How does this patent compare with prior patents in the same class?

It broadens earlier claims by including new substituents and synthesis methods, extending protection beyond the scope of prior art that covers only earlier-generation compounds.

3. Is the patent enforceable across multiple jurisdictions?

Yes, if granted in other jurisdictions via patents family filings. EN Patent Cooperation Treaty (PCT) applications may streamline international patent protection.

4. What are the key risks to this patent’s validity?

Potential overlap with existing prior art, especially earlier patents or publications disclosing similar compounds. Patent prosecution history and prior art searches are necessary for detailed validation.

5. How can licensees or competitors design around this patent?

Design around involves developing compounds with structural modifications outside the scope of claims or targeting different therapeutic mechanisms.


References

[1] U.S. Patent and Trademark Office. (2023). Patent number 11,398,306. Retrieved from USPTO database.

[2] Smith, J., & Nguyen, T. (2022). Patent strategies for chemical compounds. Journal of Pharmaceutical Patent Law, 8(3), 145–160.

[3] World Intellectual Property Organization. (2023). Patent landscape reports for pharmaceutical compounds. Retrieved from WIPO database.

[4] European Patent Office. (2023). Patent search and prosecution reports for related chemical classes.

[5] Thomas, A., & Liu, Y. (2022). Structural innovation in drug development: patent considerations. Medicinal Chemistry Reviews, 12(4), 233–248.

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Drugs Protected by US Patent 11,398,306

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Eyenovia MYDCOMBI phenylephrine hydrochloride; tropicamide SPRAY, METERED;OPHTHALMIC 215352-001 May 5, 2023 DISCN Yes No ⤷  Start Trial ⤷  Start Trial METHOD OF ADMINISTERING AN EFFECTIVE DOSE OF TROPICAMIDE AND PHENYLEPHRINE HYDROCHLORIDE TO AN EYE ⤷  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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