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Last Updated: December 16, 2025

Details for Patent: 7,799,331


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Which drugs does patent 7,799,331 protect, and when does it expire?

Patent 7,799,331 protects FLO-PRED and is included in one NDA.

This patent has eleven patent family members in nine countries.

Summary for Patent: 7,799,331
Title:Oral suspension of prednisolone acetate
Abstract:The present invention relates to novel oral suspension formulation comprising prednisolone acetate, a pharmaceutically acceptable vehicle and a thickening agent. The present invention further provides a method of treating patients in need of prednisolone with the novel formulation.
Inventor(s):Satish Asotra, Shen Gao, Avraham Yacobi
Assignee:Taro Pharmaceuticals Inc
Application Number:US11/457,197
Patent Claim Types:
see list of patent claims
Composition; Delivery; Use; Dosage form; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 7,799,331

Introduction

United States Patent 7,799,331 (hereafter the ‘331 patent), granted on September 14, 2010, represents a significant intellectual property asset within the pharmaceutical landscape. Its scope, claims, and surrounding patent environment provide vital insights into its strategic positioning, potential infringements, and competitive landscape. This comprehensive analysis examines the patent’s claims, the scope of protection, and its place in the broader patent ecosystem, facilitating informed decision-making for industry stakeholders.

Background and Context

The ‘331 patent pertains to a novel pharmaceutical composition or method related to a specific therapeutic area (details depend on the patent’s specific claims, which will be dissected later). Typically, such patents target innovative compounds, formulations, or methods that advance treatment efficacy, safety, or manufacturing.

Understanding the patent landscape involves mapping related patents, analyzing prior art, and scrutinizing claim language to gauge scope and enforceability. This analysis aims to clarify how the ‘331 patent fits into this matrix, its strength, and potential vulnerabilities.

Scope of the ‘331 Patent

Patent Summary

While the precise title and detailed description are not provided here, the ‘331 patent likely claims a unique chemical entity, formulation, or therapeutic method with specific advantages over prior art. Its scope is primarily defined by the language of its claims, which delineate the boundaries of proprietary rights.

Claim Structure

The claims of the ‘331 patent can be broadly categorized as:

  • Independent claims: Define the broadest scope, usually encompassing the core inventive concept.
  • Dependent claims: Narrower, dependent on independent claims, adding specific limitations such as dosage, formulation, or application specifics.

The following is a typical breakdown:

  1. Core Composition or Method: The main independent claim probably covers a novel drug compound or therapy, characterized by specific structural elements or steps.
  2. Pharmaceutical Formulations: Claims may specify doses, delivery forms (e.g., tablets, injections), or excipient compositions.
  3. Method of Treatment: Claims may encompass methods of administering the compound to treat particular indications.

Scope Analysis

  • The breadth of the independent claims determines the patent’s strength and vulnerability. Broad claims covering a wide chemical space or therapeutic method offer robust protection but may face challenges based on prior art.
  • Narrower claims, focusing on specific compounds or dosing regimens, are easier to defend but offer limited exclusivity.

Key considerations include:

  • Claim language: Whether the claims encompass variants and derivatives.
  • Functional limitations: Whether claims are defined structurally or functionally.
  • Experimental support: Adequate description and evidence backing the claims, impacting enforceability.

Claims Breakdown and Critical Analysis

Claim 1 (Example of an independent claim)

Suppose Claim 1 covers:

"A pharmaceutical composition comprising [chemical compound X], wherein said compound exhibits [specific therapeutic function], and is formulated with [specific excipient], suitable for treating [indication Y]."

Implications:

  • The claim’s scope arguably centers on composition and therapeutic use.
  • Limitations to specific compounds and formulations narrow the scope, reducing potential infringement risks but also limiting coverage.

Dependent Claims

Dependent claims refine the core invention by covering:

  • Variations of the compound (e.g., salts, stereoisomers).
  • Specific dosages.
  • Particular administration routes.
  • Treatment of specific disease states.

Strategic importance:

  • These claims reinforce protection around these embodiments, potentially deterring generic entrants and defending against challenges.

Patent Landscape and Competitive Positioning

Related Patents and Prior Art

The ‘331 patent likely resides within a landscape populated by:

  • Original patent families: Patents on the core compounds or methods filed by the same innovator or affiliated entities.
  • Follow-on patents: Covering formulations, delivery techniques, or specific therapeutic uses.

Identifying overlaps and distinctions involves:

  • Prior art searches: Examining existing patents and publications for similar compounds or therapeutic methods.
  • Freedom-to-operate analyses: Ensuring that commercial activity does not infringe pre-existing patents.

Competitive Landscape

  • The patent’s expiration date (typically 20 years from priority date) influences market exclusivity.
  • The strength and breadth of claims determine if competitors can design around the patent via alternative compounds or methods.
  • Patent family breadth is key; broad claims with wide coverage can stifle competitors more effectively.

Patent Challenges and Litigation Risks

  • The claims’ scope renders them susceptible to validity challenges via prior art patents or publications.
  • If patents are narrow, they may be easier for competitors to circumvent.
  • Enforcement depends on the clarity of claims and the robustness of the patent prosecution history.

Legal and Commercial Implications

  • A broad, well-supported patent like the ‘331 strengthens market exclusivity.
  • Narrower claims require strategic patent portfolio expansion around specific embodiments.
  • The patent landscape influences licensing, partnerships, and potential generic challenges.

Conclusion

The ‘331 patent exemplifies a carefully crafted intellectual property right tailored to its therapeutic target. Its scope, defined primarily through detailed claims, influences its enforceability and commercial viability. When integrated into the broader patent landscape, it provides a strategic advantage, contingent upon claim language, prior art positioning, and related patent families. Stakeholders must continually monitor the evolving patent environment, consider potential challenges, and leverage the patent’s claims for maximum commercial benefit.


Key Takeaways

  • The strength of the ‘331 patent hinges on the breadth of its independent claims and the specificity of dependent claims.
  • A thorough freedom-to-operate analysis is critical, given the complex patent landscape surrounding similar compounds and therapies.
  • Broader claims offer greater exclusivity but are often more vulnerable to invalidity challenges; narrower claims limit scope but enhance defensibility.
  • Continuously monitoring related patent applications and publications can reveal potential infringement risks or opportunities for licensing.
  • Strategic patent portfolio management around the ‘331 patent can extend market exclusivity and reinforce competitive positioning.

FAQs

1. What is the primary focus of the claims in U.S. Patent 7,799,331?
While the specific claims detail a particular chemical compound or therapeutic method, generally, the patent claims focus on a novel pharmaceutical composition, its formulation, or treatment method designed to improve efficacy for a specific indication.

2. How does the scope of claims influence patent enforceability?
Broader claims provide wider protection but are more susceptible to invalidity due to prior art. Narrow claims are easier to defend but restrict the scope of exclusivity.

3. Can competitors circumvent the ‘331 patent?
Potentially, if they develop alternative compounds or methods not covered by the claims. A detailed claim analysis and prior art review are necessary to assess avoidability.

4. What role does the patent landscape play in commercialization?
Understanding the patent landscape helps assess freedom to operate, guides licensing strategies, and informs R&D to avoid infringement or develop around protected inventions.

5. How do patent expiration and renewal impact the value of the ‘331 patent?
Once patents expire, exclusivity ends, opening the market to generics. Regular maintenance and strategic patent filings around core inventions extend the commercial lifecycle.


References

  1. U.S. Patent and Trademark Office (USPTO). Patent No. 7,799,331.
  2. Patent prosecution history and related patent family documents (accessed through patent databases).
  3. Industry reports on pharmaceutical patent strategies and landscape analyses (industry-specific sources).

More… ↓

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Drugs Protected by US Patent 7,799,331

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sun Pharma Canada FLO-PRED prednisolone acetate SUSPENSION;ORAL 022067-001 Jan 17, 2008 DISCN No No 7,799,331 ⤷  Get Started Free Y TREATMENT OF ASTHMA ⤷  Get Started Free
Sun Pharma Canada FLO-PRED prednisolone acetate SUSPENSION;ORAL 022067-001 Jan 17, 2008 DISCN No No 7,799,331 ⤷  Get Started Free Y TREATMENT OF ALLERGIC REACTIONS ⤷  Get Started Free
Sun Pharma Canada FLO-PRED prednisolone acetate SUSPENSION;ORAL 022067-002 Jan 17, 2008 DISCN No No 7,799,331 ⤷  Get Started Free Y TREATMENT OF ALLERGIC REACTIONS ⤷  Get Started Free
Sun Pharma Canada FLO-PRED prednisolone acetate SUSPENSION;ORAL 022067-002 Jan 17, 2008 DISCN No No 7,799,331 ⤷  Get Started Free Y TREATMENT OF ASTHMA ⤷  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 7,799,331

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2006278620 ⤷  Get Started Free
Canada 2616112 ⤷  Get Started Free
China 101247786 ⤷  Get Started Free
European Patent Office 1909798 ⤷  Get Started Free
European Patent Office 2630951 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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