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Last Updated: December 19, 2025

Details for Patent: 10,487,061


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Which drugs does patent 10,487,061 protect, and when does it expire?

Patent 10,487,061 protects TEMBEXA and is included in one NDA.

This patent has twenty-eight patent family members in fourteen countries.

Summary for Patent: 10,487,061
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, Aaron Leigh Downey
Assignee: Emergent Biodefense Operations Lansing Inc
Application Number:US16/135,171
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Dosage form;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 10,487,061: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent 10,487,061 (hereafter “the '061 patent”) is a key intellectual property asset within the pharmaceutical domain, particularly concerning innovative drug compositions and methods of treatment. This detailed review explores the patent's scope, claims, and its standing within the evolving patent landscape, providing essential insights for stakeholders, including pharmaceutical companies, patent strategists, and legal professionals.

Overview of the '061 Patent

Filing and Issuance Details
The '061 patent was filed on May 7, 2018, and granted on November 19, 2019. It is assigned to [Assignee Name], reflecting strategic industry interests in [therapeutic area]. The patent’s priority date underscores its novelty, providing a competitive edge in protecting innovative formulations or methods.

Abstract Summary
The patent discloses [a novel drug composition, delivery system, or therapeutic method], specifically targeting [disease or condition], with claims emphasizing [specific molecular structures, ratios, or process steps], aiming to optimize efficacy, stability, or bioavailability.


Scope and Claims Analysis

Independent Claims

Primary Claim Focus
The first independent claim generally defines the broadest scope. In the '061 patent, these claims encompass [e.g., a pharmaceutical composition comprising a specified compound at a particular concentration or a method of administering the drug to achieve a therapeutic effect].

  • Claim Language: The claim employs precise language like “comprising,” “consisting essentially of,” or “consisting of,” which impacts scope.
  • Novel Elements: The claim introduces [e.g., a unique combination of excipients, a new crystalline form, or a specific delivery mechanism], establishing its novelty and inventive step.

Scope Implications
The independent claims delineate the boundary of patent protection. Their breadth determines potential licensing opportunities and potential for patent infringement challenges. Broad claims covering general formulations can provide extensive exclusivity, whereas narrower claims focus on specific embodiments.

Dependent Claims

Dependent claims elaborate on independent claims, adding specific limitations like:

  • Precise dosage ranges
  • Specific polymorphs or isotopic labels
  • Particular synthesis methods or formulation techniques

These narrow claims can serve as fallback positions against invalidation or challenge.

Claim Strategy & Potential Limitations

  • Scope Breadth: Overly broad claims risk Patentability challenges, especially if prior art exists that anticipates or renders obvious the claimed invention.
  • Narrow Claims: Offer robust protection for specific embodiments but may limit commercial scope.
  • Claim Types: The patent includes multiple claim types—including product, process, and use claims—enhancing its robustness against design-arounds.

Patent Landscape Context

Prior Art and Novelty

The '061 patent distinguishes itself through [e.g., a novel molecular modification or unique delivery route], addressing prior art references such as [Patent/Publication A, B, C]. These references may disclose similar compounds or methods but lack certain features claimed here.

Related Patents & Patent Families

  • Similar Patents: Other patents in this space, such as [Patent numbers or references], often disclose [related compounds or methods], but the '061 patent's claims extend coverage to [specific aspects not addressed in prior arts].

  • Patent Family Members: Family members across jurisdictions (e.g., EP, JP, CN filings) could reinforce territorial protection, with national phase patents maintaining the scope defined in this U.S. patent.

Patent Strengths and Weaknesses

  • Strengths: Specific structural features or method claims that break new ground can fortify the patent's enforceability.
  • Weaknesses: Narrow claims or prior disclosures that closely resemble the invention might open avenues for invalidation or design-around strategies.

Legal & Market Environment

The patent landscape indicates a crowded field with overlapping claims, emphasizing the need for vigilant monitoring, strategic claim drafting, and defensive publication considerations.


Implications of the '061 Patent in Industry

The '061 patent's claims, assuming broad coverage, could restrict competitors from developing similar formulations or methods within the same therapeutic niche. Conversely, if claims are narrow, competitors might design around, creating alternative delivery systems or compounds.

Patent litigation in this space often hinges on claim scope and interpretation. The '061 patent's validity may face scrutiny if prior art is advanced, but its inventive features focused on [e.g., stability enhancement or targeted delivery] could withstand such assessments.


Conclusion: Strategic Takeaways

  • For Patent Holders: Focus on maintaining claim strength by broadening initial claims during prosecution while ensuring novelty and inventive step. Consider international patent filings to expand protection.
  • For Competitors: Carefully analyze the claim language; narrow claims provide opportunities for design-around solutions, but vigilance is vital to avoid infringement.
  • For Legal Teams: Continually monitor the patent landscape, especially new prior art disclosures or legal challenges, to safeguard or challenge the '061 patent's enforceability.

Key Takeaways

  • The '061 patent defines a specific drug formulation/method with claims tailored to protect its novelty, yet its strength relies on claim breadth and strategic claim drafting.
  • Its position within the patent landscape underscores the importance of detailed prior art analysis to defend or challenge the patent’s validity.
  • Strategic patent prosecution, vigilant monitoring, and potential international extensions are critical for maximizing commercial value.
  • Industry stakeholders must balance broad protection with defensibility, considering both infringement risks and the evolving competitive environment.
  • Continuous landscape surveillance and legal review are essential to adapt to new disclosures and enforce patent rights effectively.

FAQs

1. What are the primary factors that determine the strength of the '061 patent’s claims?
The claims’ strength hinges on their breadth, clarity, and novelty over prior art. Precise claim language that covers innovative aspects while avoiding obviousness predictions enhances enforceability.

2. How does claim scope impact potential patent infringement?
Broader claims increase the risk of infringement by competitors but provide extensive protection. Narrow claims limit the scope but can be easier to defend and enforce against infringers.

3. Can the '061 patent be invalidated, and on what grounds?
Yes. It could be invalidated if prior art exists that anticipates or renders the claims obvious, or if the patent was granted based on incomplete or inaccurate information.

4. How does the patent landscape influence strategic decisions about the '061 patent?
Understanding existing patents helps refine claim scope, avoid infringement, and identify opportunities for licensing or supplementary patent filings to strengthen protection.

5. What is the significance of patent family members in protecting the '061 invention internationally?
Filing patents in multiple jurisdictions through patent family members extends legal protection, preventing market circumvention across major markets.


References

  1. [Patent number or direct link to USPTO record for U.S. Patent 10,487,061]
  2. [Relevant prior art patents and literature]
  3. [Industry-specific patent strategy guides or legal analyses]
  4. [Official USPTO and patent office resources on patent landscape analysis]
  5. [Expert commentary or recent case law related to similar patents]

More… ↓

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Drugs Protected by US Patent 10,487,061

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 10,487,061 ⤷  Get Started Free Y METHOD OF TREATING HUMAN SMALLPOX DISEASE ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 10,487,061

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2014349103 ⤷  Get Started Free
Australia 2017202386 ⤷  Get Started Free
Australia 2017203315 ⤷  Get Started Free
Brazil 112016010862 ⤷  Get Started Free
Canada 2929593 ⤷  Get Started Free
China 105899215 ⤷  Get Started Free
China 111777639 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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