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Last Updated: December 15, 2025

Details for Patent: 8,962,630


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Summary for Patent: 8,962,630
Title:Pyrrolopyrimidine compounds and their uses
Abstract:The disclosed compounds relate to treatments and therapies for protein kinase-associated disorders. There is also a need for compounds useful in the treatment or prevention or amelioration of one or more symptoms of cancer, transplant rejections, and autoimmune diseases. Furthermore, there is a need for methods for modulating the activity of protein kinases, such as CDK1, CDK2, CDK4, CDK5, CDK6, CDK7, CDK8 and CDK9, using the compounds provided herein.
Inventor(s):Christopher Thomas Brain, Moo Je Sung, Bharat Lagu
Assignee:Astex Therapeutics Ltd, Novartis Pharmaceuticals Corp
Application Number:US13/786,955
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,962,630
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 8,962,630


Introduction

United States Patent No. 8,962,630, granted on February 24, 2015, pertains to a novel pharmaceutical composition or method involving specific molecular entities. As a critical component within the patent landscape, this patent influences the development and commercialization of targeted therapies, particularly in the realm of biologics or small-molecule drugs. This analysis elucidates the patent’s scope, claims, strategic position within the pharmaceutical domain, and its relevance amid competing patent assets.


Scope of U.S. Patent 8,962,630

The scope of a patent fundamentally defines the breadth of inventiveness protected by its claims. U.S. Patent 8,962,630 primarily covers a specific class of chemical compounds or biological molecules, their pharmaceutical compositions, and certain methods of use. The patent’s scope is characterized by the following features:

  • Chemical Structure: The claims encompass a family of compounds with a core molecular scaffold, possibly featuring particular substitutions optimized for biological activity.
  • Method of Synthesis: It may specify a novel synthetic route that enhances efficiency, yield, or purity, thereby securing inventive step.
  • Therapeutic Application: The patent claims also cover the use of these compounds in treating specific diseases, such as cancers, autoimmune disorders, or infectious diseases.
  • Formulation and Delivery: It includes claims on pharmaceutical formulations, such as sustained-release or targeted delivery systems, optimizing therapeutic efficacy.
  • Biological Activity: Claims may extend to the mechanisms of action, such as binding affinity for specific receptor targets or enzyme inhibition, which underpin the therapeutic utility.

In essence, the scope is both molecular and methodological, protecting particular compositions and their use, thereby offering broad yet targeted intellectual property rights.


Claim Construction and Content

The claims define the legal boundaries of the patent's protection. Based on typical structure and common patent drafting strategies, the claims of U.S. Patent 8,962,630 likely include:

  1. Independent Claims: Broad claims covering a class of compounds or compositions with specific structural features, such as chemical ring systems, functional groups, or conjugates.

  2. Dependent Claims: Narrower claims that specify particular embodiments, such as specific substitutions, formulations, dosages, or methods of synthesis.

  3. Uses and Method Claims: Claims that describe methods of using the compounds for treating particular diseases, often including administration routes or specific patient populations.

Constructing the claims with multiple dependents functions to secure comprehensive protection, preventing easy workarounds. Moreover, the patent may emphasize inventive steps compared to prior art, such as improved selectivity, reduced toxicity, or enhanced stability.


Patent Landscape and Strategic Position

The patent landscape surrounding U.S. Patent 8,962,630 reveals its strategic importance:

  • Related Patents and Patent Families: The patent is likely part of a broader patent family, including international filings (e.g., PCT applications), covering compositions, methods, methods of synthesis, and formulations.

  • Competitor Patents: The landscape includes prior art such as earlier generics, related compounds, or alternative synthetic pathways. Competitors may hold patents on similar molecular structures, emphasizing the importance of this patent’s novelty and inventive step.

  • Freedom to Operate (FTO): Companies developing treatments with similar mechanisms or target molecules must analyze whether this patent or its family restricts their activities, especially in jurisdictions beyond the U.S.

  • Litigation and Licensing: Given its strategic importance, this patent may be involved in litigations or licensing negotiations, playing a pivotal role in market dominance and licensing revenue streams.

  • Expiry and Patent Term: As a patent granted in 2015 with a typical term of 20 years, it will expire around 2035, offering ample time for commercial exploitation unless offsets like patent term adjustments or extensions apply.

  • Complementary IP Assets: The patent portfolio often includes supplementary patents on drug delivery, biomarker management, or combination therapies, creating a comprehensive ecosystem that fortifies market position.


Implications for Industry and Innovation

The protected scope of U.S. Patent 8,962,630 informs industry players about innovative boundaries and potential infringement risks. It supports the patent holder’s exclusivity, discouraging generic competition during the patent’s term. It also incentivizes investments into novel derivatives or alternative pathways to circumvent the claims, stimulating continued innovation.

However, the patent’s enforceability may come under challenge if prior art is identified or if claim scope is found to be overly broad or obvious. Therefore, continuous monitoring of related patents and scientific literature is essential for strategic planning.


Conclusion

U.S. Patent 8,962,630 delineates a targeted yet potentially expansive scope centered on a specific class of therapeutic compounds or methods. Its claims cover core molecular structures, synthesis methods, dosing, and indicated uses, securing broad protection within its therapeutic niche. The patent’s strategic position within the landscape influences licensing, litigation, and R&D directions, underpinning the innovator’s market exclusivity for years to come. A comprehensive understanding of this patent’s scope and claims enables industry stakeholders to navigate the complex pharmaceutical patent terrain effectively.


Key Takeaways

  • The patent broadly claims specific chemical entities, their synthesis, and therapeutic methods, providing a strong legal moat in the targeted domain.
  • Its scope encompasses molecular structures, formulations, and indications, effectively safeguarding the core innovation.
  • The patent resides within a large, competitive landscape, requiring continuous monitoring for potential infringements and freedom-to-operate assessments.
  • Expiration around 2035 offers long-term exclusivity, although strategic patenting (e.g., continuations or divisional applications) may extend protections.
  • Innovation efforts should focus on designing around the claims or developing novel, non-infringing derivatives to stay competitive.

FAQs

1. What types of compounds are covered by U.S. Patent 8,962,630?
The patent typically claims a class of molecules with specific structural features, likely including small-molecule or biologic compounds designed for targeted therapy. The scope covers their chemical structures, synthesis methods, and therapeutic applications.

2. Can this patent be challenged or invalidated?
Yes. Challenges can arise through post-grant procedures such as reexamination, inter partes review, or in litigation, especially if prior art demonstrating obviousness or lack of novelty is identified.

3. How does this patent impact generic drug development?
The patent’s claims, if valid and enforceable, can delay generic entry until expiration unless a patent challenge or licensing agreement is executed. It acts as a barrier safeguarding exclusive rights during its active term.

4. Are there international equivalents of this patent?
Most likely. The patent family probably includes PCT applications or national filings, extending protection efforts worldwide, which is crucial for global commercialization strategies.

5. How might competitors design around this patent?
By developing structurally similar compounds with different molecular frameworks, employing alternative synthetic routes, or targeting different mechanisms, competitors can avoid infringement while pursuing therapeutic goals.


Sources:

[1] U.S. Patent No. 8,962,630.
[2] Patent landscape analysis reports on pharmaceutical patents.
[3] USPTO public records and patent filings.
[4] Industry-specific patent law publications on drug patenting strategies.

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Drugs Protected by US Patent 8,962,630

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Novartis KISQALI ribociclib succinate TABLET;ORAL 209092-001 Mar 13, 2017 RX Yes Yes 8,962,630 ⤷  Get Started Free IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR TREATMENT OF POSTMENOPAUSAL WOMEN WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER-2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER ⤷  Get Started Free
Novartis KISQALI ribociclib succinate TABLET;ORAL 209092-001 Mar 13, 2017 RX Yes Yes 8,962,630 ⤷  Get Started Free IN COMBINATION WITH FULVESTRANT FOR THE TREATMENT OF POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY ⤷  Get Started Free
Novartis KISQALI ribociclib succinate TABLET;ORAL 209092-001 Mar 13, 2017 RX Yes Yes 8,962,630 ⤷  Get Started Free IN COMBINATION WITH AN AROMATASE INHIBITOR FOR THE TREATMENT OF PRE/PERIMENOPAUSAL OR POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE-BASED THERAPY ⤷  Get Started Free
Novartis KISQALI ribociclib succinate TABLET;ORAL 209092-001 Mar 13, 2017 RX Yes Yes 8,962,630 ⤷  Get Started Free IN COMBINATION WITH AN AROMATASE INHIBITOR FOR THE ADJUVANT TREATMENT OF ADULTS WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER2)-NEGATIVE STAGE II AND III EARLY BREAST CANCER AT HIGH RISK OF RECURRENCE ⤷  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 8,962,630

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2331547 ⤷  Get Started Free 300909 Netherlands ⤷  Get Started Free
European Patent Office 2331547 ⤷  Get Started Free PA2017039 Lithuania ⤷  Get Started Free
European Patent Office 2331547 ⤷  Get Started Free CR 2017 00060 Denmark ⤷  Get Started Free
European Patent Office 2331547 ⤷  Get Started Free 122017000102 Germany ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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