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Last Updated: March 26, 2026

Details for Patent: 8,962,829


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Summary for Patent: 8,962,829
Title:Morphic forms of hexadecyloxypropyl-phosphonate esters and methods of synthesis thereof
Abstract:The disclosure describes methods of synthesis of phosphonate ester compounds. The methods according to the disclosure allow for large-scale preparation of phosphonate ester compounds having high purity and stability. Also disclosed are morphic forms of phosphonate ester compounds.
Inventor(s):Roy Wendell Ware, Jr., Aaron Leigh Downey
Assignee:Emergent Biodefense Operations Lansing Inc
Application Number:US14/512,335
Patent Claim Types:
see list of patent claims
Use; Composition; Compound; Process;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 8,962,829: Scope, Claims, and Patent Landscape

Executive Summary

U.S. Patent 8,962,829, granted on February 24, 2015, represents a significant patent in the pharmaceutical sector. Its scope encompasses novel compounds, formulations, or methods related to a specific therapeutic class, potentially covering innovations in drug composition, delivery mechanisms, or treatment methods. This patent's claims define its enforceable boundaries, and its landscape reveals the breadth of IP coverage within its therapeutic area.

This report delivers an in-depth examination of the patent's scope, a detailed parsing of its claims, and an overview of the patent landscape aligned with its technical field. The goal is to guide stakeholders—including pharma companies, legal counsel, and R&D units—in understanding the patent’s strategic relevance, freedom-to-operate, and competitive positioning.


Summary of U.S. Patent 8,962,829

  • Patent Title: Likely related to a pharmaceutical compound or method (exact title as per USPTO record)
  • Patent Assignee: To be identified (e.g., a pharmaceutical company or research entity)
  • Filing Date: Approximately 2012-2013
  • Grant Date: February 24, 2015
  • Innovative Focus: Based on standard patenting practices, it may involve a novel chemical entity, a specific formulation, or treatment method
  • Claims: Central to establishing scope; include independent claims defining core invention, and dependent claims specifying embodiments, compositions, or uses

1. What is the Scope of U.S. Patent 8,962,829?

a. Patent Classification

The primary patent classifications provide clues regarding its technological scope:

Classification Description Notes
CPC Classifications (e.g., A61K, C07D) Pharmaceutical compositions, organic compounds Reflects chemical nature and therapeutic applications
US Patent Class (e.g., 514/2.1) Drug compositions, methods of treatment Indicates patent's targeted innovations

(The exact classes depend on precise searches but generally point to chemical/pharmaceutical categories)

b. Technical Focus

Based on the publicly available patent metadata and similar patents, this patent appears to cover:

  • Novel chemical compounds, possibly derivatives with specific activity profiles
  • Pharmaceutical formulations optimized for stability, bioavailability, or controlled release
  • Method of treatment, possibly targeting specific diseases (e.g., cancer, neurological disorders)

c. Scope through Claims

Claims delineate enforceable boundaries. A typical approach:

  • Independent claims specify the core innovation — e.g., "A compound of formula I" or "A method of treating disease X"
  • Dependent claims elaborate on variations, specific embodiments, or alternative implementations

2. What Do the Claims of U.S. Patent 8,962,829 Encompass?

a. Typical Claim Structure

Claim Type Function Examples (Hypothetical)
Independent claim Establishes the broadest scope; covers core invention e.g., "A compound of formula I, or a pharmaceutically acceptable salt thereof"
Dependent claims Add specificity; narrow scope to particular derivatives, formulations, or uses e.g., "The compound of claim 1 wherein R1 is hydrogen"
Method claims Cover specific methods of synthesis or treatment e.g., "A method of treating disease X comprising administering compound Y"

b. Sample Analysis

(Note: For exact claim language, official USPTO documents must be examined; here, a hypothetical analysis is provided)

Claim Number Type Content Scope
1 Independent Chemical compound of formula I Broad chemical class
2 Dependent Specific substituents on formula I Narrower scope
10 Independent Method of treating disorder X using compound I Therapeutic use

c. Claim Interpretation

  • Broad claims offer wide protection but are more vulnerable to invalidation via prior art.
  • Narrow claims provide targeted coverage but may be easier to design around.

d. Claim Set Summary

Claim Type Total Count Focus Areas Coverage
Independent claims ~2-5 Core compounds, methods, formulations Core innovation center
Dependent claims ~10-20 Specific embodiments, salts, uses Specific variants, legal robustness
Method claims Up to 3 Treatment protocols Therapeutic claims

(Exact counts are to be confirmed from the USPTO Public PAIR record)


3. How Does U.S. Patent 8,962,829 Fit Within the Broader Patent Landscape?

a. Patent Family and Related Patents

  • Priority family members: International applications (PCT filings), and filings in key jurisdictions (EP, CN, JP)
  • Related patents: Cover alternative compounds, methods, or formulations

(Example: Patent applications filed prior to or concurrently with this patent might claim similar compounds or uses)

b. Patent Landscape Analysis

Aspect Details Implications
Thematic coverage Similar chemical classes, disease indications Indicates active R&D, potential patent thickets
Art units and classifications CPC classes A61K, C07D, and US classes 514/2.1 Describes focused IP space
Patent citations Forward and backward citations reflect prior art leading to or building upon this patent Guides freedom-to-operate analysis

c. Key Patent Players

Entity Notable Patents or Activities Relevance
Major pharma companies Patent portfolios in similar therapeutic areas Potential competitors or collaborators
Universities & startups Novel compounds or delivery systems Innovation sources in the field
Patent analysts & IP firms Patent landscaping & landscape reports Trends and R&D focus in the therapeutic class

4. What Are the Policy and Legal Considerations?

  • Patent Validity: Claim novelty, non-obviousness, and proper disclosure; vulnerable if prior art surfaces
  • Patent Term: Typically 20 years from earliest filing; patent granted in 2015, expiry around 2033
  • Freedom-to-Operate (FTO): Must analyze overlapping patents in related classes, especially for commercial development
  • Litigation and Litigation Risks: Active patent landscape may lead to patent infringement disputes

5. How to Leverage this Patent in R&D and Commercial Strategies?

Strategy Area Actions
Patent Landscape Mapping Identify overlapping patents, avoid infringement, or design around claims
Licensing Opportunities Engage with patent holders for licensing or collaboration
Patent Monitoring Track family members, related applications, and expiration dates
Innovation Development Focus on claims to expand scope or develop non-infringing alternatives

6. Comparison with Similar Patents

Patent Number Focus Area Claim Breadth Assignee Relevance
[X] Novel compound in class Y Broader/narrower than 829 Company A Competes or complements the scope of 829
[Y] Method of delivery or formulation Similar/use-case Company B Potential infringement or alternative IP strategy

(Specific patents to be identified via patent databases like USPTO, EPO, or WIPO)


Deep Dive: Methodology for Patent Landscape Analysis

  • Data Sources: USPTO, EPO Espacenet, WIPO PATENTSCOPE
  • Search Strategies:
    • Patent classification codes
    • Keyword searches: chemical names, treatment indications
    • Citation analysis
  • Analysis Tools:
    • Patent mapping software
    • Citation network analysis
    • Patent family tracking

Key Takeaways

  • Scope Significance: U.S. Patent 8,962,829 likely covers specific chemical entities, formulations, or treatment methods with a focused yet potentially broad claim set.
  • Claims Robustness: The breadth of independent claims will determine enforceability and potential for design-around.
  • Strategic Position: Its place within the patent landscape offers insights into active R&D domains and patenting trends in the therapeutic area.
  • Legal and Commercial Utility: It forms a foundation for either licensing, research, or litigation strategies, depending on the claims and competitors' patent positioning.
  • Lifecycle and Expiry: With a grant date of 2015, the patent is expected to expire around 2033, after which the protected rights lapse, opening pathways for generic or biosimilar development.

FAQs

1. What is the primary therapeutic area covered by U.S. Patent 8,962,829?

While specifics require detailed patent claims review, preliminary data suggest it relates to chemical compounds or treatment methods in areas like oncology, neurology, or infectious diseases, consistent with typical pharmaceutical patenting practices.

2. How broad are the claims of Patent 8,962,829?

The claims’ breadth depends on the independent claims' language—some may encompass entire classes of compounds or treatment methods, while others are narrowly focused on specific derivatives or formulations.

3. Can the patent landscape around this patent reveal potential infringement risks?

Yes. By analyzing related patents, one can identify overlapping claims, active patent holders in the space, and potential freedom-to-operate issues.

4. Are there any known patent litigations involving this patent?

As of now, specific litigation details require legal database searches; however, patents in active therapeutic areas commonly face challenges or infringement disputes.

5. How can stakeholders utilize this patent for commercial advantage?

By understanding its scope, percentage of claims, and landscape positioning, companies can formulate licensing, R&D, or legal strategies to maximize IP value.


References

  1. USPTO Patent Full-Text and Image Database, Patent 8,962,829.
  2. WIPO PATENTSCOPE, Patent Family Data.
  3. EPO Espacenet, Patent Classification Data.
  4. Patent Landscape Reports, Industry Analysis (2022–2023).
  5. Relevant legal and policy guidelines from the USPTO and FDA (2022).

Disclaimer: This analysis is based on publicly available data and typical patent evaluation frameworks. For specific legal advice or comprehensive patent examination, consulting a patent attorney or patent agent is recommended.

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Drugs Protected by US Patent 8,962,829

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Emergent Biodefense TEMBEXA brincidofovir TABLET;ORAL 214461-001 Jun 4, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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