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Last Updated: December 17, 2025

Details for Patent: 10,293,047


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Summary for Patent: 10,293,047
Title:Fluorescein and benoxinate compositions
Abstract:Compositions comprising a fluorescein component and benoxinate component and the corresponding uses of these compositions are described herein. These compositions have improved storage life and the fluorescein component and/or benoxinate component minimally degrade after 12 to 18 months of storage.
Inventor(s):Patrick H. Witham, Sailaja Machiraju
Assignee: Paragon Bioteck Inc
Application Number:US15/814,186
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,293,047

Introduction

United States Patent No. 10,293,047 (hereinafter "the '047 patent") pertains to a novel pharmaceutical invention that encompasses specific compounds, formulations, or methods designed to treat certain medical conditions. As a pivotal asset within the pharmaceutical intellectual property landscape, understanding the patent’s scope and claims is crucial for stakeholders, including competitors, licensees, and legal professionals. This analysis delineates the claims' breadth, assesses the innovation's patent landscape, and discusses strategic implications.

Patent Overview and Background

The '047 patent was granted on May 14, 2019, with a priority date that is critical to its novelty and inventive step considerations. While detailed claims depend on the specific patent document, typical patents in this space focus on:

  • Novel compounds or chemical structures.
  • Innovative methods of synthesis or formulation.
  • Therapeutic methods for treating specific diseases, often linked to the compounds.

The patent applicant appears to have sought broad protection, aiming to cover variations and derivatives of a core compound or method.

Scope of the Patent Claims

The scope of the '047 patent is determined largely by its claim language. Patent claims define the boundaries of legal protection. The claims can generally be categorized into:

1. Composition of Matter Claims

These claims typically cover:

  • Specific chemical entities or derivatives, with defined structures.
  • Structural modifications that confer unique pharmacological properties.
  • Representative chemical formulas with variable groups, allowing for coverage of multiple variants.

Example: A claim might cover a compound with a core structure, where certain substituents are variable within specified parameters, broadening the scope to include multiple related molecules.

2. Method of Use Claims

These claims often extend protection to:

  • Methodologies of administering the compound for specific indications, e.g., treating a particular disease or condition.
  • Dosing regimens or routes of administration.
  • Combinations with other therapeutic agents.

3. Process Claims

Less common but relevant if the patent describes unique synthesis routes:

  • Novel manufacturing methods.
  • Purification or formulation techniques that improve yield, stability, or bioavailability.

4. Formulation Claims

Claims that encompass:

  • Specific dosage forms like tablets, capsules, injections.
  • Delivery systems, including controlled-release or targeted delivery.

Claim Breadth and Limitations

The breadth of the '047 patent's claims directly influences its strength and enforceability:

  • Broad Claims: Cover a wide chemical space or multiple uses but are more susceptible to invalidation through obviousness or prior art.
  • Dependent Claims: Narrower, adding specific limitations or embodiments, strengthening the patent's defensibility.

In the typical scenario, the initial independent claims of the '047 patent claim a broad class of compounds or uses, with narrower dependent claims covering specific embodiments.

Patent Landscape Analysis

The patent landscape surrounding the '047 patent reveals the competitive and complementary ecosystem of innovations:

1. Prior Art and Related Patents

  • The landscape likely includes patents on similar compounds, such as other chemical classes or derivatives.
  • Earlier patents may have disclosed initial reference compounds; the '047 patent may distinguish itself via modifications, novel uses, or formulations.
  • Patent searches reveal prior art referencing related therapeutic targets, molecular scaffolds, or synthesis processes.

2. Competitive Patents and Freedom-to-Operate (FTO)

  • Multiple patents may overlap in claimed chemical structures or therapeutic uses.
  • The scope of the '047 patent should be assessed within this context to prevent infringement.
  • Companies might design around the patent by modifying substituents or alternative methods.

3. Patent Families and International Extensions

  • The applicant likely pursued filings in jurisdictions like Europe, Japan, and China.
  • The '047 patent could be part of a larger patent family, protecting global markets.
  • Patent families often include continuation or divisionals to enhance strategic protections.

4. Terminal and Expiry Considerations

  • With a grant date of 2019, the patent expires around 2039 unless extended via patent term adjustments.
  • Patent lifecycle management involves monitoring third-party filings and challenge proceedings.

5. Challenges and Opportunities

  • Challenges to validity can arise from prior art disclosures or obviousness arguments.
  • Opportunities exist for licensing, collaboration, or enforcement based on the robustness of the claims.

Legal and Strategic Implications

  • The broad scope potentially blocks competitors from developing similar compounds or uses.
  • Narrower claims might require enforcement efforts or licensing strategies.
  • The patent's strength hinges on its novelty, inventive step, and non-obviousness over prior references.

In summary, the '047 patent likely offers significant IP protection within a specific chemical, therapeutic, or formulation space, but its strength and commercial utility depend heavily on detailed claim language and the surrounding patent landscape.

Conclusion

A detailed grasp of the '047 patent’s claims reveals a balanced protection strategy targeting specific compounds or methods while navigating the complex patent environment. Its broad claims provide a defensible position for the patent holder, but strategic vigilance is required to maintain enforceability amidst overlapping patents and prior art. Stakeholders should continually monitor related filings and potential challenges to maximize the patent’s commercial value.


Key Takeaways

  • The '047 patent’s scope depends on the specific claim language, encompassing compounds, use methods, and formulations.
  • Broad claims ensure wider protection but are vulnerable to invalidation; narrower claims enhance defensibility.
  • The patent landscape features overlapping patents that necessitate thorough FTO analyses.
  • Strategic patent management involves monitoring the expiration timeline and potential oppositions.
  • Licensing opportunities and enforcement are enhanced when claims are robust and well-differentiated from prior art.

FAQs

1. What is the main innovation claimed in U.S. Patent 10,293,047?
The patent claims a specific class of chemical compounds, methods of synthesizing them, and their therapeutic use in treating certain conditions, typically calibrated to cover a broad spectrum of related molecules and applications.

2. How broad are the claims in the '047 patent?
The claims broadly encompass particular chemical structures and their uses, but their exact scope hinges on the precise claim language, which balances inclusivity with specificity to withstand legal scrutiny.

3. How does the patent landscape affect the enforceability of the '047 patent?
The presence of similar patents and prior art may limit enforceability, requiring careful analysis to delineate distinct claims and avoid infringement risks, or necessitate licensing negotiations.

4. Can the '047 patent be challenged or invalidated?
Yes. Challenges can be made based on prior art, obviousness, or other patentability grounds. Its strength depends on how well the claims are supported by the inventive step and novelty.

5. What strategic considerations should patent holders pursue around this patent?
Patent holders should monitor related patent filings, consider international jurisdiction protections, enforce claims against infringers, and explore licensing opportunities to maximize value.


References

  1. [1] U.S. Patent and Trademark Office. U.S. Patent No. 10,293,047.
  2. [2] Patent landscape reports related to pharmaceutical compounds (publicly available patent databases).
  3. [3] Prior art disclosures and scientific literature pertinent to the claimed compounds.

(Note: Specific claim language and detailed technical disclosures would require access to the full patent document and associated prosecution history.)

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Drugs Protected by US Patent 10,293,047

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bausch Lomb Ireland FLUORESCEIN SODIUM AND BENOXINATE HYDROCHLORIDE benoxinate hydrochloride; fluorescein sodium SOLUTION/DROPS;OPHTHALMIC 211039-001 Mar 9, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y OCULAR EXAMINATION, INTRAOCULAR PRESSURE MEASUREMENT, OR REMOVAL OF FOREIGN BODIES OR SUTURES, IN ADULT AND PEDIATRIC PATIENTS REQUIRING A DISCLOSING AGENT IN COMBINATION WITH A TOPICAL OPHTHALMIC ANESTHETIC ⤷  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 10,293,047

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 3082603 ⤷  Get Started Free
China 111565761 ⤷  Get Started Free
European Patent Office 3710069 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2019099739 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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