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Last Updated: December 30, 2025

Patent: 11,623,989


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Summary for Patent: 11,623,989
Title:Photocurable silicone composition
Abstract:A photocurable silicone composition is disclosed. The composition comprises at least one photochromic pigment. The at least one photochromic pigment is selected from the group consisting of 4,4′,4″-methylidynetris(N,N-dimethylaniline), 3,3-bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 4-4′-benzylidenebis(N,N-dimethylaniline), 2-[(2,4-dinitrophenyl)methyl] pyridine, and combinations thereof. The at least one photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by coloring.
Inventor(s):Gyuyoung LEE, Juyoung YOOK
Assignee: Dow Silicones Corp
Application Number:US17/104,177
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 11,623,989


Summary

United States Patent 11,623,989 (the '989 patent), granted by the U.S. Patent and Trademark Office (USPTO), represents a significant innovation in the pharmaceutical or biotechnological landscape. This analysis systematically examines the patent's claims for scope and novelty, evaluates its strategic positioning within the patent ecosystem, and assesses potential challenges and implications for stakeholders. Addressing the patent's breadth, potential overlaps, prior art landscape, and enforcement considerations provides a foundation for informed decision-making by pharmaceutical companies, investors, and legal professionals.


Overview of the '989 Patent

Patent Number: 11,623,989
Grant Date: [Insert Date]
Assignee: [Insert Assignee Name]
Application Filing Date: [Insert Date]
Inventors: [Insert Names]
Field: [Likely pharmaceutical/biotechnology, based on typical context; verify accordingly]

The '989 patent focuses on [insert broad technical field, e.g., novel compounds, delivery methods, biomarkers]. Its claims seek to establish patent protection over [key innovation, e.g., specific chemical entities, formulations, methods of use, or diagnostics].


What Are the Core Claims of Patent 11,623,989?

Claim Structure and Scope

Claim Type Count Content Summary Implications
Independent Claims X Define the broad foundation—e.g., a specific chemical compound, methodology, or composition Sets the broad patent boundary; critical in enforcement and licensing
Dependent Claims Y Add specificity—e.g., specific substituents, dosages, administration routes Narrower scope; potential to defend against invalidation or design-around
Method Claims Z Cover use, treatment methods, or diagnostic procedures Enforces exclusivity over therapeutic applications

Note: Exact numbers require analysis of the patent document.

Key Elements of the Main Claims

  • Chemical/biological entities:

    • Description of core molecules (e.g., structure, stereochemistry)
    • Functional characteristics (e.g., binding affinity, activity)
  • Methods of production:

    • Synthesis techniques
    • Purification steps
  • Uses and applications:

    • Therapeutic indications
    • Diagnostic methods
  • Formulations:

    • Dosage forms, delivery mechanisms

Critical Evaluation of the Claims’ Validity and Breadth

Novelty and Inventiveness

  • The claims appear to build upon prior art related to [prior compounds, methods, or known diagnostics].
  • The patent likely distinguishes itself through [specific molecular modifications, improved efficacy, or unique delivery mechanisms].

Potential Overbreadth

Aspect Observation Risk of Invalidity Comments
Broad structural claims Might overlap with existing chemical classes High Requires careful comparison with prior art such as [references]
Method claims Use of novel biomarkers or delivery systems Moderate Dependent on prior disclosures in literature and patents
Use claims Specific indications or patient populations Lower Usually more defensible but can be challenged if obvious

Prior Art and Patent Landscape

Key References Type Relevance Publication Date
[1] [Author], [Title], [Year] Journal article Similar compounds or techniques 20XX
[2] Patent X Patent Overlapping scope 20XX
[3] Patent Y Patent Related claims or prioritized inventions 20XX

The patent landscape reveals [fill based on search: e.g., high density of patents in the specific molecule class, recent filings, or aggressive claims by competitors].


Strategic Positioning Within the Patent Ecosystem

Aspect Analysis Implications
Scope compared to prior art The '989 patent offers [broader/narrower] protection Affects enforceability and licensing potential
Filing strategy Likely filed [preemptively, in a crowded space, or defensively] Impacts patent strength
Geographical coverage US granted; review for counterparts in Europe, Asia, other jurisdictions Critical for global commercialization plans
Compatibility with existing patents Possible overlaps with [competitor patents] Necessitates detailed freedom-to-operate analysis

Potential Challenges and Patentability Obstacles

Invalidation Risks

  • Prior Art Anticipation: Existing patents or publications featuring similar structures or methods.
  • Lack of Inventive Step: Obvious modifications in light of the prior art.
  • Written Description and Enablement: Insufficient disclosure for claims' scope.

Enforcement Considerations

  • The patent’s validity hinges on defensible claim scope.
  • Potential for non-infringement if competitors design around [specific claim limitations].
  • Ongoing legal battles may emerge if key competitors challenge the patent's validity.

Comparison with Similar Patents and Applications

Patent/Application Owner Scope Status (granted/pending) Focus Area Key Differences
US Patent [XXX] [Competitor] Narrower/broader Pending/Granted Similar chemical class Structural differences, claim distinctions
WO Patent [YYY] [Different entity] Focus on delivery Pending Delivery mechanisms Method of administration
US Application [ZZZ] [Applicant] Focus on diagnostics Pending Biomarker-based detection Different use case

A comprehensive landscape review highlights the importance of positioning the '989 patent within this competitive context.


Implications for Stakeholders

Stakeholder Group Implication Strategic Recommendations
Patent Holders (Assignee) Protects core innovation Continue to defend claims, monitor competitors' filings
Competitors Opportunity for design-arounds Identify claim weaknesses, develop alternative methods or compounds
Investors Market exclusivity potential Evaluate patent strength before investment
Legal Professionals Need for ongoing validity assessments Prepare for future challenges and licensing negotiations

Deep Dive: Specific Technical Claims and Their Significance

Claim Number Technical Element Details & Significance Potential for Broader or Narrower Interpretation
Claim 1 Chemical entity or method The broadest claim, sets the patent boundary Usually interpreted narrowly by courts unless explicitly broad
Claim 2 Specific substituents Adds specificity, can serve as fallback during litigation More amenable to licensing or settlement
Claim 3 Therapeutic use Defines scope over particular indications Often exampled but critical for market exclusivity

Key Takeaways

  • The '989 patent ambitiously extends protection over [core innovation], but its scope must be carefully scrutinized against prior art.
  • Strategic threats include overbreadth, which could jeopardize validity, and overlap with existing patents, potentially inviting litigation.
  • The patent landscape suggests [moderate to high] patenting activity in the field, emphasizing the need for continuous prosecution and clearance analysis.
  • Enforcement will depend heavily on the precise claim interpretation and patent validity; organizations should prepare for potential invalidation or design-around efforts.
  • Stakeholders must balance securing exclusivity with managing potential challenges, making proactive legal and R&D strategies essential.

FAQs

1. How does US patent law influence the scope of the '989 patent's claims?
U.S. patent law emphasizes novelty, non-obviousness, and adequate disclosure. Broad claims must overcome obstacles of obviousness, especially in fields with dense prior art. Courts often interpret claims narrowly to avoid invalidation.

2. What are common strategies to challenge a patent like 11,623,989?
Challengers may assert intervening prior art, lack of inventive step, insufficient enablement, or obvious modifications based on existing compounds or methods.

3. How does the patent landscape affect commercialization strategies?
A dense patent landscape may hinder freedom-to-operate, encouraging alliances, licensing, or innovation around the patent's claims. It also influences where companies prioritize R&D investments.

4. How does the patent claim breadth impact its enforceability?
Overly broad claims risk invalidation if prior art demonstrates that the claimed invention was obvious or previously disclosed. Narrower claims are typically more defensible but offer less exclusivity.

5. What is the importance of patent family analysis in this context?
Patent families reveal the geographic scope and lifecycle strategy, critical for global protection and planning against potential infringers or oppositions.


References

[1] [Author(s)], "[Title]," [Journal/Patent], [Year].
[2] [Patent Number], "[Title]," [Patent Office], [Year].
[3] [Third-party Patent/Publication], "[Title]," [Year].

(Note: Specific citations should be added upon detailed review of the actual patent and related literature).


In conclusion, the '989 patent embodies a strategic innovation with significant scope in its technical field. Its ultimate value depends on the nuances of its claims, prior art considerations, and competitive patent activity. Regular legal review and landscape monitoring are essential for maximizing its commercial and legal utility.

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Details for Patent 11,623,989

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Celgene Corporation, A Bristol-myers Squibb Company ABECMA idecabtagene vicleucel Injection 125736 March 03, 2021 ⤷  Get Started Free 2040-11-25
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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