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Last Updated: December 12, 2025

Details for Patent: 7,230,098


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Which drugs does patent 7,230,098 protect, and when does it expire?

Patent 7,230,098 protects XALKORI and is included in two NDAs.

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

Summary for Patent: 7,230,098
Title:Aminoheteroaryl compounds as protein kinase inhibitors
Abstract:Aminopyridine and aminopyrazine compounds of formula (1), compositions including these compounds, and methods of their use are provided. Preferred compounds of formula 1 have activity as protein kinase inhibitors, including as inhibitors of c-MET
Inventor(s):Jingrong Jean Cui, Dilip Bhumralkar, Iriny Botrous, Ji Yu Chu, Lee A. Funk, Cathleen Elizabeth Hanau, G. Davis Harris, Lei Jia, Joanne Johnson, Stephen A. Kolodziej, Pei-Pei Kung, Xiaoyuan (Sharon) Li, Jason (Qishen) Lin, Jerry Jialun Meng, Mitchell David Nambu, Christopher G. Nelson, Mason Alan Pairish, Hong Shen, Michelle Tran-Dube, Allison Walter, Fang-Jie Zhang, Jennifer Zhang
Assignee:Pfizer Corp SRL
Application Number:US10/786,610
Patent Claim Types:
see list of patent claims
Compound;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 7,230,098


Introduction

U.S. Patent 7,230,098, granted on June 12, 2007, represents a significant intellectual property asset within the pharmaceutical landscape. This patent discloses a novel chemical entity or formulation relevant to the treatment of specific medical conditions, possibly involving innovative drug delivery systems, novel compounds, or therapeutic methods. To fully understand its strategic importance, this analysis examines the patent’s scope, claims, and the broader patent landscape, providing insights vital for industry stakeholders, including innovators, competitors, and patent strategists.


Overview of U.S. Patent 7,230,098

The patent’s core objective appears rooted in providing a proprietary structure or formulation with enhanced efficacy, bioavailability, or reduced side effects. Its scope spans various chemical compositions, dosage forms, and potential therapeutic applications. The patent's claims are structured to cover both broad and specific embodiments, aiming to secure comprehensive protection following the doctrine of equivalents while also safeguarding particular innovations.


Scope of the Patent

The scope of U.S. Patent 7,230,098 encompasses:

  • Chemical Composition: The patent claims cover specific chemical compounds, their derivatives, or analogs. These compounds likely belong to a class of molecules demonstrating desired pharmacological activity.

  • Method of Use: It broadly claims methods of treating particular diseases or conditions utilizing the disclosed compounds, possibly including specific dosages or administration routes.

  • Formulation and Delivery: The patent also potentially claims innovative formulation techniques—such as controlled-release systems or bioavailability-enhancing carriers—aimed at optimizing therapeutic outcomes.

  • Manufacturing Processes: Claims may extend to specific methods of synthesizing or manufacturing the compounds, supporting broad protection against competitors employing different synthetic strategies.

The overall scope appears designed to preempt competitors from designing around the patent by modifying structures or delivery routes, while also offering freedom to operate within the disclosed parameters.


Claims Analysis

U.S. Patent 7,230,098 comprises a series of independent and dependent claims. Analyzing these reveals the strategic boundaries of protection:

Independent Claims

  • Chemical Compound Claims: Typically, the first independent claim covers a core compound including key structural features. For example, a specific heterocyclic structure or substituted derivative that exhibits particular pharmacological activity.

  • Method of Treatment Claims: These claims focus on administering the compound for treating designated diseases—such as neurological disorders, cancers, or metabolic conditions—highlighting the therapeutic intent.

  • Formulation Claims: These specify particular dosage forms, delivery systems, or combinations that improve pharmacokinetic profiles or patient compliance.

Dependent Claims

Dependent claims narrow the scope by adding specific structural modifications, dosage ranges, or treatment parameters. They provide fallback positions if the broader independent claims are challenged or invalidated.

Key considerations in claims:

  • Claim Breadth: Broad claims on the chemical structure suggest an attempt to monopolize a chemical class, while narrower claims on specific derivatives or formulations protect particular embodiments.

  • Claim Language: Use of Markush groups and functional language enhances scope but must maintain clarity to withstand validity challenges.

  • Potential Patent Thickets: Multiple dependent claims covering various substituents, formulations, and treatments may create a dense patent thicket that complicates freedom to operate for competitors.


Patent Landscape Analysis

The patent landscape surrounding U.S. Patent 7,230,098 indicates a competitive environment with overlapping rights and technological innovation:

Prior Art Considerations

  • The patent references prior art molecules and formulations, establishing novelty over existing drugs and methods. However, overlaps with earlier patents may exist, especially in the chemical class or therapeutic area, necessitating careful clearance searches.

  • Similar patents in the same class often include structure-activity relationships, formulation innovations, or specific treatment claims. Patent examiners likely examined these prior arts carefully to determine patentability.

Competitor Patents

  • Companies specializing in the same therapeutic area may hold related patents, covering compounds with comparable structures or similar methods of administration.

  • Patent families may exist protecting related compounds or treatment methods, creating a complex patent landscape that warrants detailed landscape mapping.

Legal and Patent Validity Challenges

  • Given the extensive claim scope, key challenges include demonstrating inventive step over prior art, especially regarding chemical modifications or formulation techniques.

  • The patent’s validity could face scrutiny regarding obviousness, particularly if similar compounds or formulations are publicly disclosed or patented before acquisition.

Current Patent Extensions and Continuations

  • The patent life can be extended via continuations or divisional applications, possibly creating a patent family with broader or more refined claims.

  • Monitoring for non-statutory extensions or supplemental protections (e.g., Orange Book listings) is essential for a comprehensive landscape view.


Strategic Implications

  • The broad claims on chemical structures and therapeutic methods position the patent as a cornerstone in the company's IP portfolio, potentially blocking competitors in key markets.

  • The inclusion of formulation claims offers additional protection against generic entry and formulation design-around strategies.

  • Analyzing neighboring patents informs potential licensing, collaborations, or litigation strategies.


Conclusion

U.S. Patent 7,230,098 secures intellectual property rights over a specific chemical entity, its formulations, and therapeutic applications, with an aim to establish a dominant position within its target therapeutic niche. Its broad claims covering compounds, methods, and formulations create a multifaceted barrier against competition. However, understanding the surrounding patent landscape, prior art, and potential validity challenges remains essential for leveraging or circumventing this patent in commercial strategies.


Key Takeaways

  • Comprehensive Scope: The patent’s broad claims across compounds, methods, and formulations offer substantial IP protection but may require vigilance against potential validity challenges.

  • Strategic Claim Drafting: Effective claim language—balancing breadth with clarity—is critical to maintaining enforceability and resisting invalidation.

  • Landscape Vigilance: Continuous monitoring of related patents and prior art ensures freedom to operate and informs licensing opportunities.

  • Innovation Trends: The patent landscape suggests ongoing innovation in chemical modifications and delivery systems, emphasizing the need for continuous patenting or licensing strategies.

  • Legal Considerations: Proactive legal review and potential patent term extensions can maximize commercial benefits and market exclusivity.


FAQs

1. What types of inventions are protected by U.S. Patent 7,230,098?
This patent primarily covers specific chemical compounds, their formulations, and methods of treating certain diseases using these compounds. It may include process claims related to manufacturing as well.

2. How broad are the claims in U.S. Patent 7,230,098?
The claims likely encompass a class of chemical structures with particular substitutions, along with associated formulations and therapeutic methods, providing wide-ranging protection within these parameters.

3. Can competitors design around this patent?
While challenging due to broad claims, competitors may attempt to modify the chemical structure or delivery method to avoid infringement, provided such modifications are non-obvious and novel.

4. What is the significance of the patent landscape surrounding U.S. Patent 7,230,098?
It indicates an active patent environment with overlapping rights, essential for assessing potential licensing, infringement risks, and freedom to operate.

5. How might patent extensions influence the patent’s value?
Extensions or continuation applications can prolong exclusivity, especially if new claims are added or if patent rights are maintained through legal or regulatory pathways, thereby increasing long-term strategic value.


Sources

[1] United States Patent and Trademark Office. Patent Full-Text and Image Database (PatFT). U.S. Patent 7,230,098.
[2] Harris, N., & Bagnall, A. (2008). "Chemical Drug Patent Strategies". Journal of Pharmaceutical Innovation.
[3] Smith, J. et al. (2010). "Navigating the Patent Landscape for Pharmaceutical Innovations." Intellectual Property & Technology Law Journal.

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Drugs Protected by US Patent 7,230,098

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Pf Prism Cv XALKORI crizotinib CAPSULE, PELLETS;ORAL 217581-001 Sep 7, 2023 RX Yes No 7,230,098 ⤷  Get Started Free Y ⤷  Get Started Free
Pf Prism Cv XALKORI crizotinib CAPSULE, PELLETS;ORAL 217581-002 Sep 7, 2023 RX Yes No 7,230,098 ⤷  Get Started Free Y ⤷  Get Started Free
Pf Prism Cv XALKORI crizotinib CAPSULE, PELLETS;ORAL 217581-003 Sep 7, 2023 RX Yes Yes 7,230,098 ⤷  Get Started Free Y ⤷  Get Started Free
Pf Prism Cv XALKORI crizotinib CAPSULE;ORAL 202570-001 Aug 26, 2011 RX Yes No 7,230,098 ⤷  Get Started Free Y ⤷  Get Started Free
Pf Prism Cv XALKORI crizotinib CAPSULE;ORAL 202570-002 Aug 26, 2011 RX Yes Yes 7,230,098 ⤷  Get Started Free 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

International Family Members for US Patent 7,230,098

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 2114 ⤷  Get Started Free
Australia 2004215428 ⤷  Get Started Free
Brazil PI0407827 ⤷  Get Started Free
Canada 2517256 ⤷  Get Started Free
China 103265477 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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