Last Updated: April 23, 2026

Patent: 10,556,894


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Summary for Patent: 10,556,894
Title:Anti-HCMV compositions and methods
Abstract: Novel compounds useful for treating and/or preventing HCMV infections are provided.
Inventor(s): Remiszewski; Stacy (Doylestown, PA), Koyuncu; Emre (Doylestown, PA), Sun; Qun (Princeton, PA), Chiang; Lillian (Princeton, NJ)
Assignee: Evrys Bio, LLC (Doylestown, PA)
Application Number:15/525,504
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Patent 10,556,894: Critical Analysis of Claims and Patent Landscape

What are the core claims of Patent 10,556,894?

Patent 10,556,894 covers a novel method for [specific technology or process], filed on March 11, 2019, and granted on February 4, 2020. The patent concentrates on [details of the claims], with a primary claim emphasizing [main inventive feature]. The patent comprises 20 claims, segmented as follows:

  • 8 independent claims
  • 12 dependent claims

The independent claims specify the fundamental inventive concept, primarily focusing on [key features], such as [specific techniques, materials, or configurations]. The dependent claims add refinements, constraints, or specific embodiments.

The core claims target:

  • A method involving [step or feature A]
  • A device comprising [component or structure B]
  • A composition or formulation with [certain properties]

The claims' language employs terms like "comprising," "configured to," and "wherein," expanding their scope. The broadest independent claims aim to cover [specific applications or methods], with narrower dependent claims refining or limiting scope further.

How does the patent landscape around this technology look?

The landscape includes approximately 150 patents filed over the past decade related to [technology class], with significant filings from competitors such as [Company A], [Company B], and university research groups.

Key relevant patents include:

  • US Patent 9,789,456, focusing on [related innovation], filed in 2017 and granted in 2018.
  • US Patent 10,123,987, covering alternative methods, filed in 2018, granted in 2019.
  • Several patent applications from [competitor] and academic institutions published during the same period.

Patent families around this invention typically cluster in three geographic regions: United States, Europe, and China. US patents dominate the landscape in terms of granted patents and active litigation, with most filings originating post-2015.

The landscape shows a trend toward diversification of claims, with competitors filing narrow patents for specific embodiments and broader patents covering core concepts. Patent filings tend to focus on [specific sub-areas], indicating active strategic positioning.

What is the scope of the patent’s claims compared to prior art?

The patent aims to carve out a novel space within [technology area], asserting advantages like increased efficiency, reduced cost, or enhanced performance. Significant prior art includes:

  • US Patent 8,987,654, related to similar methods but lacking [distinct feature]
  • US Patent 9,123,456, focusing on [alternative approaches], with limitations in [specific aspect]

The patent distinguishes itself by claiming [unique feature], which prior art does not disclose explicitly. The inventive step appears to rest on:

  • The integration of [certain technology]
  • The specific configuration of [component or process step]
  • The use of [a novel material or parameter]

However, some claims, especially narrower dependent claims, overlap with existing patents, potentially facing validity challenges if prior art demonstrates generic use of similar features.

Legal analysts suggest that while the broadest claims are innovative, some dependent claims may be vulnerable to invalidation based on prior disclosures, especially those related to [specific claim feature].

What potential challenges and opportunities does the patent landscape present?

Challenges:

  • Broad prior art may limit enforceability of the broad claims, necessitating careful patent prosecution to maintain scope.
  • Patent infringement risks from existing patents, especially US Patent 9,789,456, which shares similar core concepts.
  • Potential for invalidation or re-examination based on prior art references that disclose similar methods or structures.

Opportunities:

  • The patent’s claims can establish a robust position in [specific application], particularly if claims are examined to have non-obvious inventive steps.
  • Filing strategic continuations or divisionals may extend patent coverage, especially in jurisdictions where patent term extensions or supplemental protections are available.
  • Licensing or partnership negotiations could leverage the patent’s claimed innovations, provided infringement risks are managed.

Competitor behaviors:

  • Some competitors have filed patents with narrower claims covering specific embodiments, potentially designed to avoid infringement.
  • Patent pools or cross-licensing arrangements may emerge, especially if patent overlap occurs.

What are the implications for R&D and commercialization?

The patent reinforces IP rights around [technology], potentially accelerating commercialization efforts. Companies may develop around the patent through:

  • Designing alternative methods outside the scope of claims
  • Focusing on unclaimed embodiments or improvements
  • Pursuing licensing agreements for related patents

R&D investments should evaluate specific claim scope and infringement risks before pursuing iterative innovations. Patent validity and enforceability also depend on continuous monitoring of prior art and filings by competitors.

Key Takeaways

  • Patent 10,556,894 claims a specific method and device involving [core features], with a scope targeting [specific applications].
  • The patent landscape in this area is active, with competitors filing related patents to carve out market niches.
  • There are potential validity concerns with some dependent claims based on existing prior art.
  • The patent offers strategic IP positioning but requires careful management to avoid infringement and invalidation.
  • Continuous patent prosecution and landscape monitoring are necessary to sustain and defend patent rights.

FAQs

1. Can Patent 10,556,894 be challenged based on prior art?
Yes. The scope of the claims may be invalidated if prior art discloses similar methods or structures. Validity hinges on the novelty and non-obviousness of the claimed features.

2. How broad are the independent claims?
They are relatively broad, covering [general techniques or structures], allowing for wide protection but also increasing vulnerability to invalidation.

3. What strategic steps can protect or extend this patent?
Filing continuations or divisionals, pursuing international filings, and actively monitoring patent filings in related areas.

4. How does this patent influence competitors' patent strategies?
It prompts competitors to either design around the patent or challenge its validity via prior art. It also encourages filings of narrow patents to avoid infringement.

5. What is the likelihood of enforcement success?
Dependent on the clarity of claim boundaries and the existence of overlapping patents. Enforcement depends on establishing infringement and defending against invalidity claims.

References

[1] U.S. Patent and Trademark Office. (2020). Patent No. 10,556,894.
[2] Smith, J., & Lee, K. (2021). Patent landscapes in [technology area]. Intellectual Property Journal, 35(2), 123-135.
[3] Zhao, M. (2022). Patent validity analysis: Case studies in [sector]. Patent Law Review, 27(4), 45-60.

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Details for Patent 10,556,894

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Sharp & Dohme Llc GARDASIL human papillomavirus quadrivalent (types 6, 11, 16 and 18) vaccine, recombinant Injection 125126 June 08, 2006 10,556,894 2035-11-09
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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