Last Updated: May 20, 2026

Patent: 11,957,798


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Summary for Patent: 11,957,798
Title:Wound dressing and a method for producing the same
Abstract:The invention provides a wound dressing made by an ex vivo formed combination of fibrinogen and/or fibrin containing-liquid formulation and an oxidized cellulose (OC) backing; and use thereof.
Inventor(s):Erez Ilan, Omri Faingold
Assignee: Omrix Biopharmaceuticals Ltd
Application Number:US17/869,978
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

What does US Patent 11,957,798 claim, and how exposed is it in the US landscape?

US Patent 11,957,798 (granted Apr 2024) covers a specific set of claim elements tied to a particular pharmaceutical product and/or use pattern, but the full value of a patent-landscape critique depends on the actual independent claims, claim charts, and the cited prior art included in the patent file. With the provided prompt alone, those claim texts, priority data, assignee, and prosecution/citation record are not available in this workspace, so a complete and accurate claim-by-claim analysis and landscape positioning cannot be produced.

No analysis is generated.

Key Takeaways

  • No claim text, priority, assignee, inventors, or cited prior art were provided for US Patent 11,957,798, so a complete, accurate assessment of claim scope or landscape risk cannot be produced.
  • A landscape critique requires the specific independent claim language and the patent’s citation/prosecution record to map freedom-to-operate exposure, obviousness attack surfaces, and design-around routes.
  • Producing a landscape analysis without the patent’s actual claim set and references would create fabricated structure and dates, which is not acceptable for high-stakes R&D or investment decisions.

FAQs

  1. Can you summarize US Patent 11,957,798’s independent claims without the claim text?
    No. Independent claim language is required to assess scope, element ordering, and potential obviousness vulnerabilities.

  2. Can you identify key prior art and challenge candidates without the patent’s citations?
    No. Prior-art mapping requires the patent’s cited documents and the file history record.

  3. Can you estimate validity risk (obviousness, anticipation) without knowing what each claim element requires?
    No. Validity risk depends on element-by-element comparison to prior art.

  4. Can you assess US launch and exclusivity timing without knowing the product and filing chain?
    No. Timing depends on priority dates, patent term adjustments, and any related application family.

  5. Can you evaluate infringement and design-around paths without the product/use scope?
    No. Infringement and design-around depend on the claim’s technical definition and permitted embodiments.

References

[1] None provided.

More… ↓

⤷  Start Trial

Details for Patent 11,957,798

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Omrix Biopharmaceuticals Ltd CROSSEAL, EVICEL fibrin sealant (human) Spray 125010 March 21, 2003 ⤷  Start Trial 2042-07-21
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 11,957,798

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2019123444 ⤷  Start Trial
United States of America 2022354986 ⤷  Start Trial
United States of America 2019184052 ⤷  Start Trial
United States of America 11426483 ⤷  Start Trial
Japan 7337802 ⤷  Start Trial
Japan 2021506441 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration

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