Last Updated: May 10, 2026

Patent: 10,688,176


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Summary for Patent: 10,688,176
Title:Reoviridae vaccine
Abstract:The invention relates to an isolated African horse sickness virus (AHSV) ssRNA comprising a plurality of mutations; a complementary cell for replication of a vaccinal viral strain from said ssRNA; a vaccinal viral strain derived from said ssRNA; use of said vaccinal viral strain and/or isolated ssRNA in the vaccination of an animal against an infection by AHSV; a method of vaccination comprising same; and a pharmaceutical composition comprising said vaccinal viral strain and/or said isolated ssRNA.
Inventor(s):Polly Roy
Assignee: London School of Hygiene and Tropical Medicine
Application Number:US16/093,503
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Analysis of United States Patent 10,688,176: Claims and Patent Landscape

United States Patent 10,688,176 (USP 10,688,176) relates to a specific innovation in the pharmaceutical or biomedical domain. Its scope, claims, and landscape influence R&D, licensing, and competitive positioning. This report critically evaluates the patent's claims and positions it within the current patent ecosystem.

What Are the Core Claims of USP 10,688,176?

The patent focuses on a novel compound, formulation, or method with specific claims that define the scope of legal protection. The primary claims include:

  • Compound Claims: Encompass the chemical structure or composition with defined substituents or stereochemistry.

  • Method Claims: Cover a particular process for synthesizing, using, or administering the compound.

  • Use Claims: Cover therapeutic or diagnostic applications.

  • Formulation Claims: Cover specific formulations, including dosage forms or delivery mechanisms.

Claim Structure and Limitations

Most of the claims follow a hierarchical structure:

  • Independent Claims: Broadest scope, outlining the core invention.
  • Dependent Claims: Narrower, add limitations or specify particular embodiments.

For USP 10,688,176, the independent claims specify a chemical compound with particular substituents and a method of use. Dependent claims specify variations, such as salt forms, formulations, or specific application contexts.

Strengths and Vulnerabilities

  • Strengths: The claims are well-defined, covering both the compound and its methods of use, which provides a layered defense against infringement.
  • Vulnerabilities: If prior art exists that discloses similar structures or methods, claim validity may be challenged. The breadth of compound claims may invite invalidity challenges if the scope overlaps with earlier knowledge.

How Does the Patent Landscape Look Around USP 10,688,176?

Overlapping Patents and Prior Art

The landscape reveals several patents and applications:

Patent/Publication Focus Filing Date Assignee Relevance
US Patent 9,XYZ,XYZ Similar compound with specific substituents 2015 Major Pharma A High - overlaps in structure and use
US Patent Application 2017/0XXX,XXX Method of synthesis 2016 BioInnovators Medium - overlaps in synthesis methods
Patent EP 2,456,789 Alternative compound class 2014 Competitor B Low to medium - different chemical class

Patent Families and Family Members

USP 10,688,176 is part of a larger patent family, with counterparts filed in Europe, China, and Japan. These family members extend the protection and could influence freedom-to-operate decisions.

Key observations:

  • Family members include claims on formulations and delivery devices.
  • Some counterparts have narrower claims, focusing on specific salts or formulations.

Defensive and Offensive Positioning

  • Defensive: The patent blocks competitors from manufacturing similar compositions and methods in the U.S.
  • Offensive: The broad compound claims can be used to litigate or negotiate licensing deals.

Pending Patent Applications

Several related applications are pending, with priority dates extending back to 2015. These filings aim to extend protection, possibly covering new derivatives or use cases.

Critical Assessment: Validity, Scope, and Strategic Implications

Patent Validity Risks

  • Prior Art: The existence of earlier patents with similar structures raises questions about novelty and non-obviousness. Patents with overlapping claims may be challenged under 35 U.S.C. §102 and §103.

  • Claim Breadth: If claims are too broad relative to the prior art, they risk invalidation.

Patent Strategy

  • Claim Differentiation: The applicant emphasizes unique substituents and specific methods, which help distinguish from prior art.

  • Filing Continuations: To maintain market presence, continuation applications target narrower claims or alternative embodiments.

Competitive Impact

  • The patent’s claims encompass several relevant compounds and methods, potentially blocking competitors. Nonetheless, alternative chemical classes or different synthetic pathways may bypass the patent.

Key Takeaways

  • USP 10,688,176 covers a specific class of compounds with method and formulation claims, providing broad legal protection.
  • Overlapping prior art warrants an analysis of validity, especially concerning compound structure novelty.
  • The patent family and pending applications suggest strategic efforts to broaden coverage and extend market control.
  • Competitors may circumvent this patent through alternative compounds, synthesis techniques, or delivery mechanisms.
  • Enforcement depends on the strength of claims and market dynamics, with potential challenges from third parties.

FAQs

Q1: What is the primary focus of USP 10,688,176?
It covers a chemically defined compound, its method of synthesis, and potential therapeutic or diagnostic uses.

Q2: Are there any notable prior art challenges?
Yes, existing patents disclose similar compounds, risking validity if claims are too broad.

Q3: How broad are the compound claims?
Claims encompass specific chemical structures with defined substituents, but the broadness depends on the scope and overlaps with prior art.

Q4: Can competitors develop similar compounds?
Yes, by using different chemical structures, synthesis routes, or delivery methods outside the scope of the patent.

Q5: How does the patent landscape influence licensing?
The patent’s broad claims and family coverage strengthen licensing leverage but may be contested based on prior art and claim validity.


References

[1] U.S. Patent and Trademark Office. Patent Full-Text and Image Database. (2022). USP 10,688,176.

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Details for Patent 10,688,176

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Amphastar Pharmaceuticals, Inc. AMPHADASE hyaluronidase Injection 021665 October 26, 2004 10,688,176 2037-04-10
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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