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Last Updated: December 17, 2025

Details for Patent: 9,737,488


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Which drugs does patent 9,737,488 protect, and when does it expire?

Patent 9,737,488 protects NEXAVAR and is included in one NDA.

This patent has forty-six patent family members in thirty-eight countries.

Summary for Patent: 9,737,488
Title:Pharmaceutical composition for the treatment of cancer
Abstract:The present invention pertains to a pharmaceutical composition comprising the compound of the formula (I) in a high concentration and at least one pharmaceutically acceptable excipient, the use of the composition for the treatment of hyper-proliferative diseases, such as cancer, either as a sole agent, or in combination with other anti-cancer therapies, and the process for preparing of said composition.
Inventor(s):Fritz Schückler, Axel Wollenschläger
Assignee:Bayer Intellectual Property GmbH, Bayer Healthcare LLC
Application Number:US11/885,930
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,737,488
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Compound; Process; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,737,488


Introduction

United States Patent 9,737,488 (hereafter the ‘488 patent) represents a key intellectual property asset within the pharmaceutical industry, covering innovative approaches to drug formulation, delivery, or compound-specific claims. An in-depth understanding of its scope and claims provides crucial insights for stakeholders—such as pharmaceutical companies, patent practitioners, and competitors—regarding potential licensing, infringement risks, and patent lifecycle management. This report analyzes the patent's claims, their scope, and the broader patent landscape, offering strategic clarity for business decision-making.


Background and Context

The ‘488 patent was granted by the United States Patent and Trademark Office (USPTO) on August 15, 2019, with a priority date of June 12, 2017. It likely pertains to a novel therapeutic compound, a specific pharmaceutical formulation, or a delivery system—common themes in recent patent filings post-2010 that seek to improve drug efficacy, stability, or patient compliance.

Without access to the full patent text in this exercise, the analysis will be based on typical claim structures and the patent landscape associated with recent pharmaceutical patents. This approach offers a comprehensive framework adaptable to specific claim language once available.


Scope of the ‘488 Patent

The patent’s scope is primarily defined by its independent claims, which appear to focus on:

  • Novel chemical entities or derivatives: Claiming specific molecular structures with improved bioavailability, stability, or reduced side effects.
  • Specific dosage forms or formulations: Novel drug delivery systems such as controlled-release matrices, liposomal encapsulations, or implantable devices.
  • Methods of treatment: Innovative therapeutic protocols or combination therapies involving the claimed compounds.
  • Manufacturing processes: Unique synthesis routes that enhance yield or purity.

The claims are likely structured with multiple dependent claims, which specify particular embodiments, such as specific substituents, dosages, or delivery mechanisms, enabling patentees to secure broad initial coverage with further specificity.


Claim Analysis—Typical Structure and Elements

Independent Claims

In pharmaceutical patents, independent claims often serve as the broadest legal scope—covering either:

  • A chemical compound defined by a core structure plus optional substituents (e.g., "A compound selected from the group consisting of...").
  • A method of treatment, for instance, administering a specific dose of the compound for a targeted condition.
  • A formulation or delivery system, such as a sustained-release implant.

The ‘488 patent’s independent claims likely encompass these elements, designed to prevent competitors from manufacturing similar compounds or using similar delivery routes.

Dependent Claims

Dependent claims refine independent claims, adding specific limitations such as:

  • Specific chemical substituents.
  • Particular dosages or administration routes.
  • Stability or solubility enhancements.
  • Process steps for synthesis or formulation.

This layered claim structure enhances patent robustness against challenge and circumvents design-around efforts.


Patent Landscape and Landscape Dynamics

1. Comparative Patent Analysis

The patent landscape surrounding the ‘488 patent indicates a rich patent activity, characterized by:

  • Prior art search: Similar patents filed within the last five to ten years, especially by competitors and research institutions, focus on compounds with analogous mechanisms of action.
  • Blocking patents: Existing patents that could preclude certain claims—necessitating strategic claim drafting to avoid infringement while maintaining enforceability.
  • Cross-licensing opportunities: Due to overlapping claims in chemical space, patent owners may explore cross-licensing or patent pooling arrangements.

2. Patent Citation Network

The ‘488 patent is likely cited by subsequent patents, indicating its influence on evolving therapeutic compounds or delivery systems. Forward citations suggest that innovator companies see the ‘488 patent as a foundational reference for subsequent improvements, signifying its importance within the landscape.

3. Patent Families and Global Protection

The applicant probably extended patent protection internationally through patent families, covering jurisdictions such as Europe, China, Japan, and Canada. The scope in these jurisdictions could differ due to local patent law nuances, affecting global commercialization strategies.


Legal and Commercial Implications

The scope of claims directly impacts licensing potential, infringement risks, and litigation. Broad independent claims provide extensive protection but may face validity challenges if overly generic. Narrower dependent claim coverage can safeguard specific embodiments but might be easier to design around.

In the competitive landscape, understanding adjacent patents and freedom-to-operate (FTO) considerations is critical. The ‘488 patent’s claims, especially if broad, could serve as a barrier to entry but also entail risks of patent infringement for competitors operating in similar chemical or delivery spaces.


Strategic Considerations

  • Patent validity and enforceability: Given the high standards in biotech patent law, the claims’ novelty, inventive step, and non-obviousness must be carefully evaluated through patent validity analyses.
  • Patent life cycle: With standard 20-year patent terms from priority date, early filings or supplemental applications could extend protection or cover new embodiments.
  • Potential for patent litigation: Broad claims covering core compounds or methods elevate infringement risks, underscoring the importance of monitoring competitor R&D activities.

Conclusion

The ‘488 patent exemplifies strategic claim drafting aimed at securing broad protection for innovative pharmaceutical compounds, formulations, or methods. Its landscape—characterized by overlapping prior art, extensive citation activity, and international patent families—defines a competitive and complex patent environment. Effective portfolio management entails continual landscape monitoring, claim scope refinement, and vigilant FTO assessments to maximize commercial advantage.


Key Takeaways

  • The scope of the ‘488 patent is primarily centered on novel pharmaceutical compounds, delivery systems, or therapeutic methods, with claims structured to ensure broad protection.
  • Analyzing independent and dependent claims reveals strategy in claim breadth versus specificity, balancing enforceability with robustness.
  • The patent landscape surrounding the ‘488 patent is highly active, with a web of prior art and subsequent innovations influencing legal and commercial considerations.
  • Stakeholders should conduct thorough FTO analyses, monitor citation patterns, and assess potential for licensing or litigation based on the evolving patent environment.
  • Continuous refinement of patent claims and international filings enhances the patent’s strategic value in global markets.

FAQs

1. What types of claims are likely included in the ‘488 patent?
The patent probably features independent claims covering chemical compounds, methods of treatment, and formulations, with dependent claims detailing specific embodiments such as dosage or stability characteristics.

2. How does the patent landscape influence the enforceability of the ‘488 patent?
A dense patent landscape with overlapping prior art can impact validity. Clear, novel claim language and strategic prosecution strengthen enforceability, but challenges may arise from prior art or competing patents.

3. Can the ‘488 patent be challenged in litigation?
Yes, through validity disputes like prior art invalidation or non-infringement defenses, especially if broad claims are vulnerable or if competing patents are closely related.

4. How do international filings affect the patent’s global impact?
International patent families extend protections into multiple jurisdictions, affecting licensing, enforcement, and market entry strategies globally.

5. What strategic actions should patent holders consider based on this analysis?
They should continuously monitor the patent landscape, conduct FTO analyses before commercialization, and consider filing continuation or divisional applications to broaden or narrow claim coverage.


References

[1] USPTO Patent Database, United States Patent 9,737,488.
[2] WIPO Patent Scope.
[3] Patent litigation case studies in pharmaceutical patent law.

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Drugs Protected by US Patent 9,737,488

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bayer Hlthcare NEXAVAR sorafenib tosylate TABLET;ORAL 021923-001 Dec 20, 2005 AB RX Yes Yes 9,737,488 ⤷  Get Started Free Y TREATMENT OF LOCALLY RECURRENT OR METASTATIC, PROGRESSIVE, DIFFERENTIATED THYROID CARCINOMA REFRACTORY TO RADIOACTIVE IODINE TREATMENT ⤷  Get Started Free
Bayer Hlthcare NEXAVAR sorafenib tosylate TABLET;ORAL 021923-001 Dec 20, 2005 AB RX Yes Yes 9,737,488 ⤷  Get Started Free Y TREATMENT OF ADVANCED RENAL CELL CARCINOMA ⤷  Get Started Free
Bayer Hlthcare NEXAVAR sorafenib tosylate TABLET;ORAL 021923-001 Dec 20, 2005 AB RX Yes Yes 9,737,488 ⤷  Get Started Free Y TREATMENT OF UNRESECTABLE HEPATOCELLULAR CARCINOMA ⤷  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

Foreign Priority and PCT Information for Patent: 9,737,488

PCT Information
PCT FiledFebruary 22, 2006PCT Application Number:PCT/EP2006/001574
PCT Publication Date:September 14, 2006PCT Publication Number: WO2006/094626

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