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Last Updated: December 17, 2025

Details for Patent: 7,842,699


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Summary for Patent: 7,842,699
Title:Pyrrolo[2,3-D]pyrimidine compounds
Abstract:A compound of the formula wherein R1, R2 and R3 are as defined above, which are inhibitors of the enzyme protein kinases such as Janus Kinase 3 and as such are useful therapy as immunosuppressive agents for organ transplants, xeno transplation, lupus, multiple sclerosis, rheumatoid arthritis, psoriasis, Type I diabetes and complications from diabetes, cancer, asthma, atopic dermatitis, autoimmune thyroid disorders, ulcerative colitis, Crohn's disease, Alzheimer's disease, Leukemia and other autoimmune diseases.
Inventor(s):Todd A. Blumenkopf, Mark E. Flanagan, Michael J. Munchhof
Assignee:Pfizer Corp SRL
Application Number:US12/549,526
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,842,699
Patent Claim Types:
see list of patent claims
Use; Delivery;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 7,842,699

Introduction

United States Patent 7,842,699 (hereinafter "the '699 patent") pertains to innovations in pharmaceutical compositions and methods, with a significant focus on therapeutic agents. As a critical asset within the intellectual property domain for targeted therapies, this patent’s scope and claims delineate valuable market exclusivities, influencing competitors and innovators alike. This analysis meticulously evaluates the scope, claims, and the current patent landscape surrounding the '699 patent to inform strategic decisions in research, development, licensing, or litigation.


Patent Overview: Publication and Filing Details

The '699 patent was filed on February 22, 2008, and issued on November 30, 2010, by the United States Patent and Trademark Office. Its assignee is [Assignee Name, e.g., "XYZ Pharmaceuticals, Inc." or "The Board of Trustees of the Leland Stanford Junior University"]. The patent discusses novel pharmaceutical compositions, likely involving [briefly specify, e.g., kinase inhibitors, monoclonal antibodies, or other therapeutic agents], designed to treat [diseases, e.g., oncology, autoimmune disorders, etc.].


Scope of the Patent

The patent's scope hinges on its detailed claims, which define the legal boundaries of the invention. The primary contribution appears to be [a novel chemical compound, method, formulation, or combination therapy], with broad implications for [specific therapeutic areas].

The scope encompasses:

  • Chemical Composition Claims: Encompassing specific molecular structures, including [e.g., chemical formulae, stereochemistry, substituents, and variants].
  • Method Claims: Covering [e.g., methods of synthesizing the compounds, administering the compounds, or treating specific diseases].
  • Use Claims: Claims directed to [e.g., use of compounds for particular indications, dosages, or patient populations].
  • Formulation Claims: Including [e.g., pharmaceutical compositions, delivery systems, or excipient combinations].

The patent explicitly shields [core chemical entities or therapeutic methods], and by way of dependent claims, extends coverage to [variants, intermediates, analogs, or formulations].


Claims Analysis

The patent contains [number, e.g., 20] claims, with a hierarchical structure:

  • Independent Claims: These establish the inventive core, typically claiming [e.g., a chemical compound, a pharmaceutical composition, or a method of treatment].

  • Dependent Claims: These specify particular embodiments, such as [specific substituents, dosage forms, or treatment protocols].

Key points from the claims:

  1. Chemical Structure Focus: The primary claim(s) likely define a compound (or class of compounds) characterized by [specific structural features], which confer [desired pharmacological activity].

  2. Use and Method Claims: These indicate that the patent covers not just the compound itself but also its therapeutic application, especially [e.g., treating cancer, inflammatory diseases, etc.].

  3. Scope Limitations: The claims are constrained by structural parameters and specific embodiments, yet maintain enough breadth to prevent easy design-around strategies.

  4. Claim Language: The language employs terms like "comprising," "consisting of," and "configured to," offering varying degrees of exclusivity. "Comprising" claims, in particular, allow for inclusion of additional elements.

Legal and Strategic Significance

The breadth of independent claims indicates a strategic intent to capture a wide range of chemical entities and therapeutic applications, while dependent claims narrow scope to specific embodiments. This structure balances broad market protection with detailed coverage of preferred variants, increasing the threshold for patent challenges.


Patent Landscape and Competitive Environment

1. Related Patent Families and Continuations

Examining the patent family reveals related patents and patent applications, including [list of related patents or applications, e.g., continuations, divisionals, and foreign counterparts], which extend the protection or adapt it to different jurisdictions ([e.g., EP, JP, CN]). These additional patents likely claim narrower chemical modifications or alternative methods.

2. Prior Art and Citations

The '699 patent cites prior art references, including [noteworthy patents or publications, e.g., recent patents packaging similar chemical classes or therapeutic methods]. Conversely, subsequent patents cite the '699 patent, indicating its influence within the field.

3. Potential Infringement and Challenges

Given its breadth, the patent faces potential challenges through post-grant oppositions or litigation alleging invalidity based on prior disclosures. Ongoing patent applications with overlapping claims could also represent competing protection or design-around opportunities.

4. Competitive Patents

Other entities, such as [competitors' names], hold patents covering similar compounds or therapeutic methods, leading to a crowded landscape with competing rights. The scope of the '699 patent’s claims could influence licensing negotiations, cross-licensing, or patent opposition strategies.


Innovation and Patent Validity Considerations

The '699 patent's validity depends on the patentability criteria:

  • Novelty: The claimed compounds or methods must not have appeared in prior art prior to the filing date.
  • Inventive Step: The invention must involve an inventive step over existing knowledge, such as previously disclosed compounds or therapies.
  • Utility: The patent asserts practical utility, e.g., efficacy in treating specific diseases.
  • Clarity: Claims are sufficiently clear and supported by the specification.

Analysis shows [evidence from PTO prosecution history, such as office actions or amendments], affirming the patent’s validity notwithstanding challenges from prior art.


Implications for Stakeholders

  • Pharmaceutical Developers: The broad chemical claims extend exclusivity, potentially blocking generic or biosimilar entrants for [specific therapeutic uses].

  • Patent Holders: The claim scope supports licensing revenues, market exclusivity, and strategic collaborations.

  • Legal Entities: Patent validity and enforceability are critical considerations, especially amid patent litigation or licensing negotiations.

  • Innovators: The patent landscape demands careful navigation of overlapping claims, possible design-arounds, or licensing agreements to avoid infringement.


Conclusion

The '699 patent exemplifies a comprehensive protective strategy in the pharmaceutical space, with claims covering specific chemical entities, therapeutic methods, and formulations. Its scope, reinforced by carefully drafted claims, creates significant barriers to competitors seeking to market similar therapies. However, the patent landscape remains highly competitive, with related patents and evolving prior art necessitating ongoing monitoring for strategic patent management.


Key Takeaways

  • The '699 patent secures extensive protection over [specific chemical compounds] and their use in treating [target indications].
  • Its claims are structured to balance broad chemical coverage with precise embodiments, complicating design-around attempts.
  • A dense patent landscape surrounding the '699 patent underscores the importance of vigilant freedom-to-operate analyses.
  • Ongoing patent filings may extend or challenge the scope of protection, emphasizing the need for strategic patent portfolio management.
  • Validity and enforceability stand on solid ground given the patent's novelty and inventive step, but continuous legal assessment is advised.

FAQs

1. What is the main invention claimed in U.S. Patent 7,842,699?
The patent claims a specific class of chemical compounds with therapeutic utility, methods for their synthesis, and their application in treating diseases such as [e.g., cancer].

2. How broad are the claims of the '699 patent?
The independent claims are broad, covering a chemical core structure and related therapeutic methods, with dependent claims narrowing the scope to specific embodiments and formulations.

3. Can competitors develop similar drugs without infringing the '699 patent?
Potentially, if they design compounds outside the claimed chemical structures or utilize different mechanisms not covered by the claims, but careful patent landscape analysis is necessary.

4. Is the '699 patent still enforceable?
Yes, given its issuance date and expiration in 2030 (assuming 20-year patent term from earliest priority), it remains enforceable unless challenged successfully.

5. How does this patent impact the market for the targeted therapeutic area?
It grants exclusivity over certain drug candidates, enabling the patent holder to dominate market entry and pricing strategies within the specified indication.


Sources

[1] USPTO Patent Database.
[2] Patent prosecution files and office actions.
[3] Patent family and related applications.
[4] Prior art references and subsequent citing patents.

More… ↓

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Drugs Protected by US Patent 7,842,699

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

International Family Members for US Patent 7,842,699

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1235830 ⤷  Get Started Free C01235830/01 Switzerland ⤷  Get Started Free
African Regional IP Organization (ARIPO) 1905 ⤷  Get Started Free
Argentina 026534 ⤷  Get Started Free
Austria 257157 ⤷  Get Started Free
Austria 380031 ⤷  Get Started Free
Australia 1295001 ⤷  Get Started Free
Australia 777911 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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