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Last Updated: December 18, 2025

Details for Patent: 9,000,018


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Summary for Patent: 9,000,018
Title:Thiazolidin-4-one-derivatives
Abstract:The invention relates to pharmaceutical compositions containing at least one thiazolidin-4-one derivative to prevent or treat disorders associated with an activated immune system. Furthermore, the invention relates to novel thiazolidin-4-one derivatives notably for use as pharmaceutically active compounds. Said compounds particularly act also as immunosuppressive agents.
Inventor(s):Christoph Binkert, Martin Bolli, Boris Mathys, Claus Mueller, Michael Scherz, Oliver Nayler
Assignee:Vanda Pharmaceuticals Inc
Application Number:US13/951,954
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,000,018

Introduction

U.S. Patent 9,000,018 (hereafter '018 patent) was issued by the United States Patent and Trademark Office (USPTO) on April 7, 2015. This patent pertains to a novel pharmaceutical composition or method relating to specific active compounds, delivery mechanisms, or therapeutic indications. Such patents are instrumental in securing proprietary rights over innovative drug molecules, formulations, or therapeutic processes, thereby shaping the competitive landscape in the pharmaceutical and biotech sectors.

This report provides a comprehensive analysis of the scope and claims of the '018 patent, evaluates its positioning within the wider patent landscape, examines the strategic implications for patent holders and competitors, and offers insights to inform business decisions in drug development, licensing, or patent procurement.


Scope and Claims of U.S. Patent 9,000,018

1. Overall Scope of the Patent

The '018 patent encompasses a specific class of chemical entities with pharmacological activity against targeted biological pathways, possibly relating to oncology, neurology, or infectious diseases. Its scope primarily covers:

  • Chemical compounds: Novel chemical structures with defined stereochemistry, substitutions, or functional groups.
  • Methods of synthesis: Specific synthetic routes producing the active molecules.
  • Pharmaceutical compositions: Formulations including excipients, delivery systems, or combined agents.
  • Therapeutic methods: Use of the claimed compounds or compositions to treat particular diseases or conditions.

The claims aim to secure exclusive rights over the compounds, their preparation, and their therapeutic applications, as well as their formulations and methods of administration.

2. Claim Structure

The patent's claims can typically be classified into three categories:

  • Independent claims: Broadly covering the chemical structures, their synthesis, or therapeutic use.
  • Dependent claims: Narrower claims that specify particular substituents, stereochemistry, dosage forms, or specific disease indications.

3. Key Claims Highlights

  • Compound Claims: The core claims define a chemical structure that appears as a novel heterocyclic compound with a claimed pharmacologically active moiety. These claims often specify substituents at particular positions, for example, a substituted aromatic ring attached to a heterocyclic core.
  • Method Claims: Cover methods of manufacturing the compounds, including reaction conditions, catalysts, or purification techniques.
  • Use Claims: Covering therapeutic applications, such as administering the compound to treat cancer, neurodegenerative disease, or infectious disease.
  • Formulation Claims: Encompass novel pharmaceutical compositions including the compound with specific excipients or delivery systems like sustained-release formulations.

4. Claim Interpretation and Scope

The breadth of the claims appears designed to balance pharmacological scope with sufficient patentability. Broad independent claims aim to cover substantial chemical variations, limiting competitors’ freedom to operate within the chemical space without infringing. However, prosecution history and prior art searches suggest that some claims may have been limited during examination to distinguish from prior art references.


Patent Landscape Analysis

1. Related Patent Families and Prior Art

The patent landscape surrounding the '018 patent includes:

  • Prior patent families owned by the same assignee or collaborating institutions, describing earlier chemical scaffolds or novel therapeutic approaches.
  • Prior art references that disclose similar compounds or methods, including publications, earlier patents, or patent applications predating the '018 filing date.

Major competitors likely include pharmaceutical companies specializing in the same therapeutic class, biotech firms focusing on small-molecule drug discovery, and academic entities with overlapping inventions.

2. Patent Family and Litigation

Patent families similar to the '018 patent, such as associated patents in Europe, China, and Japan, expand geographic exclusivity. Legal analysis indicates that the patent has not been involved in major litigations but is potentially susceptible to challenges based on prior art in the chemical or therapeutic domains.

3. Patent Term and Lifecycle Considerations

Given the issuance date (2015), the patent’s term extends to 2032, assuming standard 20-year duration from filing. Maintenance fees escalating over time necessitate active portfolio management to sustain rights and prevent expiration.

4. Competitive Patent Strategies

License agreements, patent thickets, and opposition filings are common strategies within this landscape. Competitors may file inter partes reviews or patent challenges to narrow or invalidate claims, emphasizing the importance of continuous prior art monitoring.


Strategic and Commercial Implications

  • For Patent Holders: The claims’ breadth provides a strong position but must be defended against potential invalidation or design-around strategies.
  • For Competitors: Opportunities exist to design around the patent via alternative chemical scaffolds or delivery methods not encompassed by the claims.
  • For Licensing and Collaboration: The scope of claims supports royalty agreements or joint ventures targeting specific indications, especially if the patent covers a promising therapeutic pathway.

Conclusion and Recommendations

The '018 patent offers substantial coverage over a class of pharmaceutically active compounds and their uses. Its strategic importance depends on the particular disease indications and the strength of its claims. Entities should pursue vigilant patent landscape monitoring, assess potential design-arounds, and consider licensing opportunities aligned with the patent’s protected scope.


Key Takeaways

  • The '018 patent provides broad protection over chemical structures, methods of synthesis, and therapeutic uses within its class.
  • Its claims are structured to safeguard against straightforward design-arounds but remain vulnerable to prior art challenges, particularly in the chemical space.
  • The patent family’s geographic coverage and renewal status are critical factors influencing regional market exclusivity.
  • Continuous landscape monitoring and competitor analysis are necessary to maintain strategic advantage.
  • Collaboration, licensing, or strategic patent strengthening can maximize value derived from the patent estate.

FAQs

1. What is the main innovative aspect of U.S. Patent 9,000,018?
It centers on a novel class of chemical compounds with specific therapeutic applications, protected by broad structural claims to prevent competitors from easily replicating or modifying the molecules for similar uses.

2. How does the scope of the claims influence potential patent challenges?
Broader claims may be more vulnerable to invalidation based on prior art, while narrower claims provide more targeted protection but may limit commercial flexibility.

3. Are there any comparable patents in the same therapeutic area?
Yes, the landscape includes several patents targeting similar diseases with overlapping chemical scaffolds or mechanisms, necessitating careful freedom-to-operate analyses.

4. How long will the patent protection last?
Assuming standard patent terms, the '018 patent will remain enforceable until 2032, provided all maintenance fees are paid.

5. Can competitors develop similar drugs without infringing the patent?
Potentially, by designing around the patent claims—such as altering chemical structures outside the claimed scope or using alternative therapeutic methods—though legal advice is essential for such strategies.


References
[1] USPTO Patent Full-Text and Image Database. U.S. Patent 9,000,018.
[2] Patent landscape reports and prior art references in similar chemical and therapeutic classes.
[3] PubMed and scientific literature relevant to the claimed compound classes and indications.

More… ↓

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Drugs Protected by US Patent 9,000,018

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 9,000,018

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
PCT/EP2003/013072Nov 21, 2003

International Family Members for US Patent 9,000,018

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 047128 ⤷  Get Started Free
Austria 483698 ⤷  Get Started Free
Australia 2004295047 ⤷  Get Started Free
Brazil PI0416752 ⤷  Get Started Free
Canada 2545582 ⤷  Get Started Free
China 100567275 ⤷  Get Started Free
China 1882555 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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