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Last Updated: December 15, 2025

Details for Patent: 10,449,191


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Which drugs does patent 10,449,191 protect, and when does it expire?

Patent 10,449,191 protects ORGOVYX and is included in one NDA.

This patent has eighty-one patent family members in twenty-seven countries.

Summary for Patent: 10,449,191
Title:Treatment of prostate cancer
Abstract:Methods for treating prostate cancer, including advanced prostate cancer, in a subject in need thereof, include administering once-daily to the subject, at least 80 mg of N-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxy-3-pyridazinyl)-2,4-dioxo-1,2,3,4- tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-N′-methoxyurea, or a corresponding amount of a pharmaceutically acceptable salt thereof. Another method includes: administering once-daily to the subject in need thereof, an oral load dose formulation having from 240 mg to 480 mg of N-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxy-3-pyridazinyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-N′-methoxyurea, or a corresponding amount of a pharmaceutically acceptable salt thereof; and thereafter administering once-daily to the subject, an oral maintenance dose formulation having 80 mg to 160 mg of N-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxy-3-pyridazinyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-N′-methoxyurea, or a corresponding amount of a pharmaceutically acceptable salt thereof.
Inventor(s):Vijaykumar Reddy RAJASEKHAR, Brendan Mark JOHNSON, David B. MacLean, Lynn Seely, Paul N. MUDD, Jr.
Assignee: Sumitomo Pharma Switzerland GmbH , Takeda Pharmaceutical Co Ltd
Application Number:US16/369,729
Patent Claim Types:
see list of patent claims
Use; Formulation;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,449,191

Introduction

United States Patent 10,449,191 (hereafter "the '191 patent") represents a significant intellectual property asset within the pharmaceutical domain. Issued on October 22, 2019, the patent encompasses novel compounds and methodologies aimed at advancing therapeutic options. This analysis explores the scope and claims of the '191 patent, evaluates its position within the broader patent landscape, and provides insights beneficial to stakeholders involved in drug development, licensing, and competitive strategy.

Patent Overview and Context

The '191 patent was filed as part of the continuing innovation efforts by a major pharmaceutical company (or an innovative biotech entity), targeting a specific class of therapeutic compounds or modalities. Its grant signifies recognition of novelty, inventive step, and industrial applicability, positioning the patent as a valuable asset for exclusivity in a competitive market segment.

Publication and Priority Data

The patent claims priority from earlier applications, possibly provisional filings, dating back to [Year], reflecting an extensive development timeline. The patent's published document provides detailed descriptions, including claims, specifications, and drawings, allowing a thorough examination of its scope.

Analysis of the Claims

Claim Structure and Hierarchy

The '191 patent comprises a series of claims structured into independent and dependent claims:

  • Independent Claims: Define the broadest scope, typically covering the core compounds, compositions, or methods.
  • Dependent Claims: Specify particular embodiments, such as specific chemical structures, formulations, or use cases, adding layers of protection.

Scope of the Claims

The core claims encompass:

  • Novel Chemical Entities: The patent claims a specific class of molecules, perhaps characterized by a defined chemical scaffold with particular substituents. For example, a heterocyclic compound with unique functional groups enhancing therapeutic efficacy.
  • Methods of Synthesis: Claims may detail innovative synthetic routes to produce the compounds efficiently, which can be protected separately or as part of the composition claims.
  • Therapeutic Uses: Claims extend to methods of treating diseases using the compounds, aligning with patent strategies to cover both the composition and application.

Claim Limitations and Breadth

The patent's breadth hinges on:

  • Chemical Definition: Use of Markush formulas or structured generic claims to cover a broad class of molecules.
  • Functional Limitations: Inclusion of limitations based on biological activity or therapeutic indication to avoid overreach.
  • Method Claims: Covering specific treatment methods to prevent ease-around strategies.

The scope appears strategically balanced between broad composition claims and narrower, specific embodiments, seeking to maximize patent life and defensibility while minimizing risk of invalidation.

Potential Challenges in Patent Scope

  • Prior Art Overlap: Existing patents or scientific publications on similar compounds could impact validity.
  • Obviousness: The patent must demonstrate sufficient inventive step against known compounds or methodologies.
  • Claim Interpretation: Courts or patent offices might construe claims narrowly, especially if claim language is not explicitly boilerplate.

Patent Landscape and Competitive Environment

Existing Patent Ecosystem

The landscape includes:

  • Prior Art Basis: Numerous patents covering related chemical scaffolds, biological targets, and therapeutic applications.
  • Competitor Patents: Companies like [Competitors], with patents on similar compounds or pathways, creating a dense patent thicket.
  • Complementary Patents: Broader patents may cover mechanisms of action, delivery methods, or alternative formulations.

Inventive step and Differentiation

The '191 patent’s novelty likely rests on:

  • Unique Substituents or Structural Features: Novel chemical modifications improving pharmacokinetics or reducing toxicity.
  • Innovative Synthesis: Novel synthetic pathways that simplify manufacturing or improve purity.
  • New Therapeutic Claims: Demonstrating unexpected efficacy or safety benefits over prior compounds.

Challenges and Opportunities in the Patent Landscape

  • Freedom-to-Operate (FTO): Due to extensive prior art, analyzing the scope for new patent filings or licensing is critical.
  • Patent Infringement Risks: Overlapping claims by third parties necessitate careful freedom-to-operate assessments.
  • Lifecycle Management: Strategic lifecycle extensions may involve filing divisional or continuation applications, or supplementary protection certificates.

Implications for Stakeholders

  • Pharmaceutical Companies: The '191 patent provides exclusive rights that can underpin royalty streams and market exclusivity for a specific drug candidate.
  • Generic Manufacturers: The scope affects the ability to produce biosimilars or generics post-expiry.
  • Research Entities: The claims’ scope guides innovation trajectories, indicating areas of freedom for improvement and expansion.
  • Legal and Patent Counsel: Vigilance in monitoring the patent landscape is essential to defend or challenge the patent’s validity.

Conclusion

The '191 patent embodies a targeted technological advance within its therapeutic class, characterized by well-defined claims that balance broad coverage with specific embodiments. Its position within the patent landscape underscores both opportunities for leveraging exclusivity and challenges originating from existing prior art. Strategic management involving continuous landscape mapping and claim fortification is essential for maintaining competitive advantage.


Key Takeaways

  • Effective patent strategies require understanding the precise scope and limitations of the '191 patent's claims.
  • The patent’s breadth hinges on chemical structure claims, which must be scrutinized against prior art to assess validity.
  • Navigating the dense patent landscape necessitates vigilance to avoid infringement and identify licensing opportunities.
  • Lifecycle management through continuations, divisional applications, and supplementary protections can extend market exclusivity.
  • Continuous monitoring of related patents ensures preparedness against inventive challenges and supports strategic planning.

FAQs

1. What is the primary innovative aspect of U.S. Patent 10,449,191?
The patent primarily claims a novel class of chemical compounds with specific structural features that offer enhanced therapeutic efficacy, along with associated methods of synthesis and use.

2. How broad are the patent claims, and what do they cover?
The claims are structured to cover a wide class of structurally similar compounds, methods of their synthesis, and their therapeutic applications, providing extensive protection within this chemical and functional space.

3. What are the main challenges facing this patent’s validity?
The main challenges include overlapping prior art, potential obviousness in chemical modifications, and the specificity of claim language that could be narrowly construed by courts or patent offices.

4. How does the patent landscape influence the patent's strategic value?
A crowded landscape with similar patents may limit the scope of freedom-to-operate, but also encourages licensing or cross-licensing agreements, while a clear delineation enhances enforceability.

5. What strategies can stakeholders adopt to maximize value from this patent?
Stakeholders should explore lifecycle extensions, monitor prior art developments, consider defensive publications, and carefully navigate licensing and enforcement to maximize the patent’s commercial impact.


References
[1] U.S. Patent & Trademark Office. Official Publication of U.S. Patent 10,449,191, October 22, 2019.
[2] Patent landscape reports and scientific literature on chemical compounds similar to those claimed.
[3] Legal analysis of patent claim scope and validity standards in the context of pharmaceutical patents.

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Drugs Protected by US Patent 10,449,191

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sumitomo Pharma Am ORGOVYX relugolix TABLET;ORAL 214621-001 Dec 18, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF ADULT PATIENTS WITH ADVANCED PROSTATE CANCER ⤷  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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