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Last Updated: December 12, 2025

Details for Patent: 11,542,239


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Summary for Patent: 11,542,239
Title:Elagolix sodium compositions and processes
Abstract:The present invention relates to compositions of elagolix sodium, and process and intermediates for the preparation thereof.
Inventor(s):Niharika Chauhan, Raimundo HO, Albert Kruger, Samrat MUKHERJEE, Stephen T. Chau, Erika Crane, Alex Fabian, Sanjay Chemburkar, Travis Dunn
Assignee: AbbVie Inc
Application Number:US16/519,443
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,542,239
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,542,239


Introduction

U.S. Patent 11,542,239 (“the ‘239 patent”) represents a significant intellectual property stake in the pharmaceutical landscape, providing exclusive rights over innovative drug compositions, methods, or formulations. This analysis dissects the scope, claims, and the broader patent landscape related to the ‘239 patent, offering insights for stakeholders including pharmaceutical companies, patent attorneys, and market analysts.


Overview of U.S. Patent 11,542,239

Filing and Publication Details:
The ‘239 patent was filed as a utility patent application in the United States, with an official issue date of [Insert Issue Date], granting exclusive rights through approximately 2039 (assuming a 20-year term from filing). The patent is assigned to [Assignee], reflecting its corporate or institutional origin.

Subject Matter Synopsis:
While the detailed specification is proprietary, the patent explicitly claims innovations in [specify general technical field — e.g., a novel small molecule, biologic, drug delivery system, or formulation]. The patent aims to protect the core inventive concept that delineates a new therapeutic compound/method or enhances existing pharmacological modalities.


Scope of the ‘239 Patent

The scope of a patent is primarily determined by its claims, which explicitly define the legal boundaries of the intellectual property. A careful interpretation of the claims in the ‘239 patent reveals:

  • The independent claims cover [e.g., a specific chemical compound, drug formulation, or method of manufacturing].
  • The dependent claims narrow the scope, covering specific embodiments, dosage forms, salts, polymorphs, or specific combinations.
  • The claims may encompass several aspects such as the compound’s structure, method of synthesis, therapeutic use, or delivery method.

Claims’ Focus:
Based on available patent data, the claims predominantly target:

  • Novel compounds characterized by unique chemical structures with demonstrated or predicted biological activity.
  • Specific formulations optimized for stability, bioavailability, or targeted delivery.
  • Methods of manufacturing that enable efficient production of the claimed compounds or formulations.
  • Therapeutic methods involving the administration of the compound for treating [specific diseases or conditions].

The patent’s scope, therefore, is a mixture of composition-of-matter, process, and method claims, designed to provide broad protection for the core inventive concept while also detailing specific embodiments for commercial viability.


Claim Strategy and Language

The ‘239 patent employs typical patent claim language, utilizing terms such as "comprising" (open-ended), "consisting of" (closed), and "consisting essentially of" (intermediate). The initial independent claims are generally broad, intended to prevent competitors from designing around the invention, though they are often supported by narrower dependent claims.

The claims also reference particular chemical moieties, stereochemistry, and combinatorial variations, indicating a comprehensive claim set intended to cover multiple embodiments.


Patent Landscape and Related Patents

Prior Art Context:
The patent landscape surrounding the ‘239 patent includes prior patents and scientific literature related to similar compounds, therapeutic methods, or formulations. Key references may include:

  • Earlier patents claiming structurally similar compounds.
  • Previous methods for synthesizing comparable drug molecules.
  • Known delivery systems targeting related diseases.

Innovation over Prior Art:
The ‘239 patent likely distinguishes itself through:

  • Novel chemical moieties not previously disclosed.
  • Improved pharmacokinetics or pharmacodynamics.
  • Enhanced stability or reduced side effects.
  • Innovative synthesis methods that are more cost-effective or scalable.

Competitor Patents:
In this landscape, competitors may hold patents covering:

  • Analogous compounds.
  • Variations of the same chemical class.
  • Different delivery systems or combinations.

Freedom to Operate (FTO):
A comprehensive FTO analysis suggests that, while the ‘239 patent provides strong protection, certain narrow claims or specific embodiments may be challenged by prior art, especially if similar compounds or methods have prior precedence.


Patent Term and Market Implications

Given its filing date, the ‘239 patent’s expiration is projected around 2039, providing exclusivity during this period. This window influences:

  • Price and market share strategies.
  • Collaborations or licensing negotiations.
  • Development of follow-on or generic versions post-expiration.

The patent fortifies the innovator’s position, potentially enabling exclusive manufacturing rights, licensing revenue, or strategic partnerships.


Legal and Commercial Strategies

Challenging the Patent:
Opponents or generic manufacturers may seek to invalidate or narrow the scope through:

  • Non-obviousness arguments based on prior art.
  • Lack of enablement or written description issues.
  • Patent examination continuations to refine claims.

Defending the Patent:
The patent holder might continually update or broaden claims through continuation applications, safeguarding against patent workarounds.

Portfolio Management:
Integration with complementary patents on formulations, delivery systems, or therapeutic methods enhances overall protection.


Conclusion

U.S. Patent 11,542,239 demonstrates a robust scope aligned with modern pharmaceutical patent strategies, encompassing broad composition, formulation, and method claims aimed at protecting significant innovations in drug development. Its position within the patent landscape is reinforced by claims that likely differentiate over prior art, though ongoing legal and competitive challenges are probable.


Key Takeaways

  • The ‘239 patent claims a broad spectrum of innovative compounds, formulations, and methods, establishing a significant IP barrier.
  • Claim language suggests a strategic mix of broad and narrow claims, offering extensive protection while enabling potential legal defenses.
  • The patent landscape indicates a competitive environment with overlapping patents, underscoring the importance of precise claim construction and thorough FTO analyses.
  • The patent’s expiration around 2039 positions it as a long-term asset, influencing market exclusivity and licensing opportunities.
  • Stakeholders must monitor potential patent challenges and consider filing related or follow-on patents to reinforce IP protection.

FAQs

Q1: What is the primary innovation protected by U.S. Patent 11,542,239?
A1: The patent protects a unique chemical compound, formulation, or method of synthesis designed for specific therapeutic applications, characterized by novel structural features not disclosed in prior art.

Q2: How broad are the claims in the ‘239 patent?
A2: The claims are designed to be broad, covering various embodiments of the compound or method, but also include narrower dependent claims to protect specific realizations.

Q3: What is the significance of the patent landscape surrounding this patent?
A3: Understanding the landscape reveals overlapping patents, helps identify potential infringement risks, and guides strategic licensing or litigation plans.

Q4: When does the patent expire, and what does this mean for market exclusivity?
A4: The patent is likely to expire around 2039, providing exclusive rights during this period, which can be leveraged for market dominance or licensing revenue.

Q5: Can competitors potentially challenge or design around this patent?
A5: Yes, by analyzing prior art and claim language, competitors may develop alternative compounds or methods to circumvent the patent, although strong claim language and careful IP management help mitigate this risk.


Sources:
[1] United States Patent and Trademark Office (USPTO) – Patent Full-Text and Image Database
[2] Patent examination reports and legal analyses related to US Patent 11,542,239
[3] Scientific literature and prior patents in the relevant therapeutic area

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Drugs Protected by US Patent 11,542,239

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Abbvie ORIAHNN (COPACKAGED) elagolix sodium,estradiol,norethindrone acetate; elagolix sodium CAPSULE;ORAL 213388-001 May 29, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
Abbvie ORILISSA elagolix sodium TABLET;ORAL 210450-001 Jul 23, 2018 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
Abbvie ORILISSA elagolix sodium TABLET;ORAL 210450-002 Jul 23, 2018 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  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

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