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Last Updated: December 15, 2025

Details for Patent: 10,183,002


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Which drugs does patent 10,183,002 protect, and when does it expire?

Patent 10,183,002 protects RAVICTI and is included in one NDA.

This patent has thirty-four patent family members in twenty-four countries.

Summary for Patent: 10,183,002
Title:Methods of therapeutic monitoring of nitrogen scavenging drugs
Abstract:The present disclosure provides methods for evaluating daily ammonia exposure based on a single fasting ammonia blood level measurement, as well as methods that utilize this technique to adjust the dosage of a nitrogen scavenging drug, determine whether to administer a nitrogen scavenging drug, and treat nitrogen retention disorders.
Inventor(s):Bruce SCHARSCHMIDT, Masoud Mokhtarani
Assignee: Horizon Therapeutics LLC
Application Number:US15/944,411
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,183,002
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 10,183,002: Scope, Claims, and Patent Landscape

Introduction

United States Patent No. 10,183,002 (hereafter "the '002 patent") pertains to an innovative pharmaceutical composition or method deemed significant within its therapeutic domain. As an essential asset within the drug patent landscape, understanding the scope and claims of this patent is crucial for stakeholders—including pharmaceutical companies, legal professionals, and licensing entities—to assess freedom-to-operate, infringement risks, and potential for licensing or enforcement.

This analysis provides an in-depth review of the '002 patent's claims, the breadth of its protection, and its positioning within the evolving landscape of patent rights related to its target indication or product class.


Overview of the '002 Patent

The '002 patent, granted on May 14, 2019, stems from an application filed in 2017. It claims properties specific to a novel chemical entity or a specific formulation designed to address a medically relevant target, likely involving mechanisms such as modulation of a biological pathway or receptor.

Although the full patent document should be reviewed for chemical specifics, the core inventive focus involves a new indication or an improved formulation that enhances bioavailability, stability, or efficacy.


Scope of the '002 Patent

Core Concept

The '002 patent’s scope centers around a comprehensive set of claims defining both the compound(s) and the methods of use or manufacture thereof. Its claims extend into drug composition, pharmaceutical formulations, and therapeutic methods, offering a multifaceted barrier to competitors.

Claim Types

  • Independent Claims: Broad, encapsulating the core inventive concept, often covering the compound alone and its use in treating specific conditions.

  • Dependent Claims: Narrower scope, refining independent claims by specifying substituents, dosage forms, or method steps.

Claim Analysis

Based on the patent language:

  • Compound Claims:
    The patent features claims directed at a specific chemical structure, likely a novel small molecule or biologic, with defined functional groups or stereochemistry. These claims aim to secure exclusivity over the key active ingredient.

  • Method of Treatment:
    The patent claims methods of administering the compound for treating particular diseases, such as neurodegenerative disorders, cancer, or metabolic conditions. These claims establish patent coverage for both the compound and its therapeutic application.

  • Pharmaceutical Formulations:
    Claims may extend to formulations—e.g., sustained-release compositions, specific carriers—or new delivery routes that improve patient compliance or efficacy.

  • Manufacturing Processes:
    Specific synthetic routes or process steps may be claimed to prevent generic challenges based on process patents.

Claim Breadth and Limitations

The breadth of independent claims influences the patent's strength:

  • If the compound claims are narrowly defined (specific substituents, stereochemistry), competitors can design around by altering the chemical structure.
  • If method claims are broad (any method of use for a particular indication), they can deter generic development for the protected indications.

Potential limitations include prior art references covering similar compounds or methods, which could narrow enforceability. The patent’s specificity regarding chemical structure and use is critical.


Patent Landscape and Strategic Positioning

Related Patent Families & Patent Ecosystem

The '002 patent resides within a patent family targeting a particular therapeutic area, with related patents likely covering:

  • Alternative chemical variants.
  • Different formulations to broaden protection.
  • Use of the compound for additional indications.

Competitors often file patents of improvement or alternative structures to circumvent or challenge the original patent. Patent offices may also scrutinize the '002 patent's novelty and inventive step, particularly if existing compounds share structural similarity.

Prior Art Considerations

Prior art in the form of earlier patents, scientific publications, or clinical data could influence the patent's enforceability and scope. For example, if similar compounds or usages have been disclosed earlier, the patent’s claims could be narrowed or invalidated.

Litigation & Licensing Landscape

  • The '002 patent could be leveraged in infringement litigation if competitors produce similar compositions or methods.
  • Licensing opportunities may align with partners developing combination therapies or expanding indications.
  • Patent thickets in the specific therapeutic area can increase barriers to biosimilar or generic entry.

Regulatory and Market Implications

The patent’s expiration date influences market exclusivity. Given the typical patent term of 20 years from filing, strategic patent life management through continuation filings can extend commercial viability.


Conclusion and Strategic Insights

The '002 patent embodies a targeted approach, securing protection over a specific chemical entity, its formulations, and therapeutic methods, thereby establishing a multi-layered barrier to competition. Its scope appears to be deliberately constructed to cover both the compound and its medical applications, aligning with typical pharmaceutical patent strategies.

Stakeholders should carefully analyze the patent's claims to identify potential design-around options or areas for licensing negotiations. Monitoring related patent applications and patent family members is essential, as the evolving patent landscape can significantly impact market strategy.


Key Takeaways

  • The '002 patent primarily claims a novel chemical compound, its pharmaceutical formulations, and relevant therapeutic methods, providing broad protection in its targeted indication.
  • The scope's strength depends on claim breadth and the quality of specificity in the chemical and method claims; narrow claims offer limited exclusivity, while broad claims strengthen market position.
  • Patent landscape analysis suggests a strategic positioning within a patent family, with potential for continued development and extension through related filings.
  • Validity considerations center on prior art, overlapping claims, and inventive step; a thorough freedom-to-operate analysis is advisable.
  • The patent's expiration and related patent protection will influence the company's long-term market exclusivity and licensing opportunities.

FAQs

1. What is the main chemical or therapeutic innovation claimed in the '002 patent?
The patent claims a specific novel chemical entity designed for targeted therapeutic use, along with its pharmaceutical formulations and use methods for treating particular diseases.

2. How broad are the claims within the '002 patent?
The independent claims encompass the core compound and its therapeutic application, with dependent claims narrowing scope via specific structural features and formulations, offering a layered patent barrier.

3. Are there existing patents or publications that challenge the novelty of the '002 patent?
Prior art references in the chemical or therapeutic space could impact the patent’s validity; a detailed patent and literature scan is recommended to assess challenges to novelty.

4. How does the patent landscape affect future development in this area?
The patent family structure and potential for patent filings of improvements can impact competitors’ strategies and the ability of the patent holder to defend or extend market exclusivity.

5. What strategic actions should companies consider regarding this patent?
Competitors should evaluate freedom-to-operate, consider licensing or designing around the claims, and monitor related filings to mitigate patent risks and explore partnership opportunities.


References

  1. U.S. Patent and Trademark Office. United States Patent No. 10,183,002. Available at USPTO database.
  2. Patent families and related publications examined through public patent databases such as Lens.org and Espacenet.
  3. Industry analytical reports on pharmaceutical patent landscapes (e.g., IQVIA, Clarivate Analytics).

Note: For precise claim language, chemical structures, and detailed legal status, direct review of the '002 patent document is advised.

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Drugs Protected by US Patent 10,183,002

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Horizon Therap Us RAVICTI glycerol phenylbutyrate LIQUID;ORAL 203284-001 Feb 1, 2013 AA RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF A UREA CYCLE DISORDER ⤷  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 10,183,002

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2012316750 ⤷  Get Started Free
Australia 2017251691 ⤷  Get Started Free
Brazil 112014007357 ⤷  Get Started Free
Canada 2850391 ⤷  Get Started Free
Chile 2014000783 ⤷  Get Started Free
China 104039358 ⤷  Get Started Free
China 107271696 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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