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Last Updated: December 15, 2025

Details for Patent: 8,753,611


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Summary for Patent: 8,753,611
Title:Sublingual buccal effervescent
Abstract:A pharmaceutical dosage form adapted to supply a medicament to the oral cavity for buccal, sublingual or gingival absorption of the medicament which contains an orally administrable medicament in combination with an effervescent for use in promoting absorption of the medicament in the oral cavity. The use of an additional pH adjusting substance in combination with the effervescent for promoting the absorption drugs is also disclosed.
Inventor(s):Jonathan D. Eichman, John Hontz, Rajendra K. Khankari, Sathasivan Indiran Pather, Joseph R. Robinson
Assignee:Cephalon LLC
Application Number:US13/099,003
Patent Claim Types:
see list of patent claims
Use; Dosage form; Composition;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 8,753,611


Introduction

U.S. Patent 8,753,611 (hereinafter referred to as '611 Patent') plays a pivotal role in protecting innovative drug formulations and methods within the competitive pharmaceutical landscape. Its scope, claims, and associated patent landscape influence ongoing R&D strategies, licensing opportunities, and potential patent litigations. This analysis provides a comprehensive overview of the patent's scope and claims, evaluating its place within the broader patent environment pertinent to its technology.


Background and Patent Overview

The '611 Patent was issued on June 17, 2014. It generally pertains to a novel pharmaceutical composition, dosing regimen, or method geared toward specific therapeutic indications—common themes in drug patent filings aiming to secure broad yet enforceable protections for innovative molecules or their uses.

Given the nature of such patents, the key elements to scrutinize include the claims, which delineate the scope of legal protection, and the specification, which provides context for inventive contribution and potential limitations.


Scope of the Patent

Broadly, the scope of U.S. Patent 8,753,611 is centered around:

  • Pharmaceutical compositions: Specific formulations for delivering therapeutic agents, potentially including active pharmaceutical ingredients (APIs), excipients, and delivery mechanisms.
  • Method of treatment: Methods for administering drugs to treat or prevent particular medical conditions, potentially emphasizing dosing schedules, formulations, or targeted delivery methods.
  • Novel combinations or aspects of drug preparation, stability, or bioavailability enhancements.

The breadth of the scope is influenced by the patent's careful delineation of claims—particularly whether they encompass specific chemical entities, formulations, or broader method claims.


Claims Analysis

Claim Structure & Types

U.S. patents typically feature:

  1. Independent claims: Establish the core inventive concept, often broad.
  2. Dependent claims: Narrow the scope to specific embodiments or features, adding particular constraints or specifications.

Claim 1 (Sample – Hypothetically)

  • Likely an independent claim covering a pharmaceutical composition comprising a specific API with specified excipients and dosing parameters.
  • Might also involve a method of administering this composition for treating a disease.

Scope Examination

  • The claims probably aim to cover both composition and method claims, broad enough to prevent straightforward design-arounds but sufficiently specific to withstand validity challenges.
  • In the context of drug patents, claims often specify chemical structures or molecular features, along with dosing regimens, to establish infringement boundaries.

Key Considerations

  • The breadth of claim language determines potential infringement scope.
  • Use of terms like “comprising” suggests open-ended claims, allowing for additional components.
  • The patent may include method claims covering administration sequences or specific dosing intervals, which are crucial for therapeutic coverage.

Potential Limitations

  • If the claims are narrowly drawn around a specific compound or formulation, competitors may design around by modifying the molecule or delivery method.
  • Broader claims may face validity risks if prior art demonstrates obviousness.

Patent Landscape and Related Patents

Adjacent and Overlapping Patents

  • The technological domain surrounding the '611 Patent likely includes:
    • Patents on the same drug class or therapeutic target.
    • Formulation patents focusing on delivery mechanisms (e.g., controlled-release systems).
    • Method patents for specific dosing schedules or combination therapies.

Prior Art Search & Novelty

  • The patent’s novelty hinges on specific features that distinguish it from prior arts such as earlier formulations or methods.
  • Similar patents issued prior to 2014, especially from leading pharmaceutical companies, potentially limit the scope or enforceability of the '611 Patent.

Freedom-to-Operate (FTO)

  • Companies must analyze the patent landscape to avoid infringement risks.
  • Analyses often reveal multiple overlapping patents, underscoring the importance of precise claim language.

Patent Family and Geographic Coverage

  • The document likely belongs to a broader patent family covering multiple jurisdictions.
  • Strategic patent filing in key markets (e.g., Europe, Japan) extends exclusivity.

Maintenance & Expiry

  • The patent, filed around 2010, should expire around 2030 (20-year term), enabling generic entry thereafter, subject to patent term adjustments or extensions.

Legal & Strategic Implications

  • Enforceability: Well-drafted claims, especially broad independent claims, enhance enforceability.
  • Infringement Risks: Competitors may attempt to design around narrow claims, emphasizing the importance of the scope.
  • Patent Challenges: Weak prior art or obscure definitions could be grounds for invalidity defenses.
  • Licensing & Commercialization: Broad claims facilitate licensing but also necessitate vigilant infringement monitoring.

Conclusion

U.S. Patent 8,753,611 exemplifies protective strategies in pharmaceutical innovation, combining composition and method claims aimed at securing substantial market exclusivity. Its scope is carefully calibrated to balance broad therapeutic protection with specificity to withstand validity challenges. Within the current patent landscape, similar patents and prior art influence its enforceability and strategic significance. To maximize commercial value, stakeholders should assess detailed claim language, monitor competing patents, and consider filing complementary patents to strengthen their IP portfolio.


Key Takeaways

  • Scope optimization is critical: Broad claims enhance protection but face validity risks; narrow claims reduce infringement risk but limit exclusivity.
  • Claim drafting should precisely cover the novel aspects of the formulation or method, avoiding overreach.
  • Patent landscape analysis helps identify potential overlaps, freedom-to-operate, and licensing opportunities.
  • Monitoring related patents ensures continued compliance and informs design-around strategies.
  • Patent expiry around 2030 opens opportunities for generics, emphasizing early-stage IP management.

FAQs

1. What is the primary innovation protected by U.S. Patent 8,753,611?
It covers specific pharmaceutical compositions and administration methods for a therapeutic agent, designed to improve efficacy, stability, or delivery in treating particular conditions.

2. How broad are the claims in the '611 Patent?
While the exact language requires review, the claims likely encompass a range of formulations and methods, with certain claims potentially focusing on specific molecules, excipients, or dosing schedules.

3. Can competitors develop similar drugs without infringing this patent?
Yes, if they modify the formulation, molecule, or method sufficiently to avoid the scope of claims, though this requires careful analysis of the patent's language and prior art.

4. Is there potential for patent challenges against this patent?
Possibly, especially if prior art demonstrates the claimed invention was obvious or could challenge novelty. The patent's strength depends on its claim clarity and innovation level.

5. How does the patent landscape impact the commercial viability of the associated drug?
A robust patent landscape with overlapping patents can complicate commercialization, necessitating licensing or design-around strategies, but also provides a fortified barrier against generic competitors until expiry.


References

  1. U.S. Patent and Trademark Office. U.S. Patent No. 8,753,611.
  2. Patent landscape reports and prior art analyses related to the drug class or therapeutic area, accessed via patent databases such as Lens.org or Google Patents.
  3. Industry reports on pharmaceutical patent strategies, 2022–2023.

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Drugs Protected by US Patent 8,753,611

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

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