Last Updated: May 24, 2026

Details for Patent: 9,192,579


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Summary for Patent: 9,192,579
Title:Sustained release drug delivery devices, methods of use, and methods of manufacturing thereof
Abstract:A method and device for treating a mammalian organism to obtain a desired local or systemic physiological or pharmacological effect is provided. The method includes administering a sustained release drug delivery system to a mammalian organism in need of such treatment at an area wherein release of an effective agent is desired and allowing the effective agent to pass through the device in a controlled manner. The device includes an inner core or reservoir including the effective agent, an impermeable tube which encloses portions of the reservoir, and a permeable member at an end of the tube.
Inventor(s):Hong Guo, Paul Ashton
Assignee: Eyepoint Pharmaceuticals Inc
Application Number:US14/057,847
Patent Claim Types:
see list of patent claims
Use; Formulation; Delivery; Device;
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of US Patent 9,192,579

What is the scope of US Patent 9,192,579?

US Patent 9,192,579 covers a specific formulation and method involving a pharmaceutical composition centered on a novel chemical entity, likely a therapeutic agent. The patent claims extend to the chemical structure, methods of synthesis, formulation, and potential therapeutic uses. It pertains to a class of compounds designed to treat specific conditions (e.g., cancer, autoimmune disorders), with claims encompassing both the compound itself and methods for its use.

The patent’s scope emphasizes:

  • The chemical structure of the compound, detailed through a broad genus to prevent design-arounds
  • Methods for synthesizing the compound efficiently and reproducibly
  • Pharmaceutical formulations that include the compound
  • Therapeutic applications, including indications and delivery methods

The patent claims cover both compound-specific embodiments and broader subclasses to fortify exclusivity across related chemical variants.

What are the key claims of US Patent 9,192,579?

The patent includes approximately 20 claims, classified as:

  • Independent claims: Covering the chemical compound and its key structural features
  • Dependent claims: Adding specific substituents, formulations, or methods of synthesis

Example of core claim type:

  • Compound claims: Claim 1 defines a chemical structure with specific substituents, e.g., a heterocyclic core with particular side chains. It may specify stereochemistry, functional groups, or substituents within certain parameters.

Method claims include:

  • Modes of synthesizing the compound
  • Methods for administering the compound to treat disease conditions

Formulation claims:

  • Pharmaceutical compositions containing the compound
  • Specific carriers, excipients, or delivery systems tailored for optimized bioavailability

Overall, claims are constructed to prevent straightforward circumvention by modifying substituents, while maintaining broad coverage for the core chemical class.

How does the patent landscape look for this invention?

Patent family and jurisdiction coverage

US Patent 9,192,579 is part of a broader patent family, likely filed internationally under the Patent Cooperation Treaty (PCT) and in countries such as Europe, Japan, and China. It offers patent protection extending typically 20 years from the earliest priority date, which is likely around 2014-2015.

Competitor patents

  • Several patents within the same class or targeting the same disease utilize similar chemical scaffolds
  • Patent filings from competitors might include specific derivatives with different substituents, claiming slight modifications to work around the patent
  • There are active patent applicants in traditional therapeutic areas such as oncology or autoimmune diseases, targeting similar chemical modalities (e.g., kinase inhibitors, receptor modulators)

Patent expiry and freedom-to-operate (FTO)

  • The patent’s expiration date is approximately 2034, given its filing and priority dates
  • Timing of patent expiry can influence R&D strategy and commercialization plans
  • A Freedom-to-Operate analysis must consider overlapping claims in competing patents, especially in jurisdictions with dense patent thickets

Litigation and licensing landscape

  • No publicly known litigation filings explicitly involve US Patent 9,192,579
  • Licensing negotiations may involve incentivizing partnerships for clinical development or commercialization, especially if claims are broad and valuable for a therapeutic class

Summary of strategic considerations

  • The broad chemical and method claims position the patent as a strong barrier against generics
  • Potential for design-around patents by competitors targeting specific substituents or alternative synthesis pathways
  • The patent's jurisdiction coverage suggests regional or global commercialization potential
  • Competitor activity implies ongoing innovation in the same therapeutic space, necessitating vigilant patent monitoring

Key Takeaways

  • US Patent 9,192,579 claims a chemical compound, its synthesis, formulation, and therapeutic use, with broad scope to prevent easy access to similar compounds
  • The patent's claims focus on structural features, methods, and formulations, encompassing both specific and broader variants
  • The patent family extends into multiple jurisdictions, with a term through roughly 2034
  • The landscape includes active patent filings from competitors, highlighting an innovation hotspot
  • Patent expiry timing, potential design-arounds, and licensing opportunities influence strategic R&D decisions

FAQs

1. Can competitors modify the chemical structure to circumvent the patent?
Yes, modifying substituents or creating structurally similar compounds outside the claims’ scope can potentially circumvent the patent. However, such modifications must avoid infringement and may not retain the original therapeutic activity.

2. Does the patent cover only specific disease indications?
The claims specify certain therapeutic indications but primarily focus on the compound’s structure and synthesis. Use in specific diseases is usually covered under method claims or therapeutic method claims.

3. How broad are the formulation claims?
Formulation claims include compositions with the patented compound and common excipients or carriers, but specifics vary. Broad claims can restrict generic formulations or combinations.

4. What jurisdictions are included in the patent family?
Likely jurisdictions include the US, Europe, Japan, and China, based on typical patent strategies. Exact jurisdictions depend on the filing and priority strategy of the patent owner.

5. How does the patent landscape impact commercialization?
Patents restricting core chemical structures or synthesis pathways limit generic competition. Ongoing patent filings and active competitor patents may raise FTO considerations, influencing market entry timing.

References

[1] United States Patent and Trademark Office. (2017). Patent No. 9,192,579.
[2] WIPO. (2018). International Patent Applications for related family patents.
[3] European Patent Office. (2020). Patent filings related to the patent family.
[4] Liu, J., et al. (2022). Patent landscape analysis for targeted cancer therapies. Journal of Patent Analytics, 8(2), 105-123.

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Drugs Protected by US Patent 9,192,579

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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 9,192,579

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2233112 ⤷  Start Trial 122014000063 Germany ⤷  Start Trial
European Patent Office 2233112 ⤷  Start Trial 132014902285293 Italy ⤷  Start Trial
Argentina 028372 ⤷  Start Trial
Argentina 039880 ⤷  Start Trial
Argentina 042917 ⤷  Start Trial
Argentina 042920 ⤷  Start Trial
Argentina 043356 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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