Last Updated: May 23, 2026

Patent: 10,730,880


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Summary for Patent: 10,730,880
Title:4,6-substituted-pyrazolo[1,5-a]pyrazines as Janus kinase inhibitors
Abstract: Compounds of Formula I: ##STR00001## and stereoisomers and pharmaceutically acceptable salts and solvates thereof in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in the specification, are inhibitors of one or more JAK kinases and are useful in the treatment of JAK kinase-associated diseases and disorders, such as autoimmune diseases, inflammatory diseases, rejection of transplanted organs, tissues and cells, as well as hematologic disorders and malignancies and their co-morbidities.
Inventor(s): Allen; Shelley (Boulder, CO), Boys; Mark Laurence (Boulder, CO), Chicarelli; Mark J. (Boulder, CO), Fell; Jay Bradford (Boulder, CO), Fischer; John P. (Boulder, CO), Gaudino; John (Boulder, CO), Hicken; Erik James (Boulder, CO), Hinklin; Ronald Jay (Boulder, CO), Kraser; Christopher F. (Boulder, CO), Laird; Ellen (Boulder, CO), Robinson; John E. (Boulder, CO), Tang; Tony P. (Boulder, CO), Burgess; Laurence E. (Boulder, CO), Rieger; Robert Andrew (Boulder, CO), Pheneger; Jed (Boulder, CO), Satoh; Yoshitaka (Poway, CA), Leftheris; Katerina (San Diego, CA), Raheja; Raj K. (Poway, CA), Bennett; Brydon L. (San Diego, CA)
Assignee: Array BioPharma Inc. (Boulder, CO) Celgene Corporation (Summit, NJ)
Application Number:16/212,493
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for U.S. Patent 10,730,880

Introduction

United States Patent 10,730,880 (the ‘880 patent) represents a significant development in the realm of pharmaceutical or biotechnological innovations, depending upon its claims and subject matter. The patent’s delineation of claims, scope, and positioning within the patent landscape profoundly influence its enforceability, commercial exploitation, and landscape competitiveness. This analysis critically examines the patent's claims, its strategic landscape positioning, and implications for stakeholders in the pharmaceutical and biotech industries.

Overview of the ‘880 Patent

The ‘880 patent was granted on August 4, 2020, and the assignee is typically a pioneering entity in biotech or pharma sectors. While the patent’s detailed title and abstract outline its core innovation, the precise scope of its claims determines its biological or chemical novelty and inventive step, and its influence on subsequent developments.

Claims Analysis

Scope and Nature of Claims

The claims define the legal boundaries of patent protection. A detailed examination reveals whether they encompass:

  • Product claims: Covering specific compounds, formulations, or biologics.
  • Method claims: Covering uses, processes, or methods of manufacture.
  • Composition claims: Covering combinations or formulations.

In ‘880 patent, the claims likely defend a novel molecule, a method of treatment, or a combination thereof, with critical parameters such as chemical structure, dosage, or application specifics.

Claim Clarity and Patentability

The strength and enforceability of the patent depend on the clarity, novelty, and inventive step of its claims:

  • Novelty: Do the claims cover compounds or methods distinctly different from prior art? An absence of prior art references showing identical or nearly identical entities boosts the claims' defensibility.
  • Inventive step: Does the patent demonstrate a non-obvious advancement over existing solutions? Given recent disclosures or patents, the ‘880 patent must have submitted sufficient inventive reasoning to warrant its claims.
  • Written description and enablement: The disclosure must enable others skilled in the art to reproduce and utilize the claimed invention, bolstering the sufficiency and robustness of the patent.

Crucially, overly broad claims risk invalidation if challenged; conversely, overly narrow claims limit commercial scope.

Claim Limitations and Potential Weaknesses

Potential weaknesses include:

  • Scope ambiguity: Vague or overly broad language can render claims susceptible to invalidation.
  • Dependent claims: These narrow claims can improve enforceability but may limit the patent's coverage scope.
  • Infringement vulnerabilities: If the claims are narrowly drafted, competitors might design around the patent.

Claim Strategy and Innovation Barrier

Judicious claim drafting sustains patent strength and discourages competitors from designing around protection, thereby acting as a formidable barrier to entry. The ‘880 patent's claims, if appropriately tailored to novel features, serve as an effective strategic asset.

Patent Landscape and Positioning

Comparative Patent Network

Assessment of the patent landscape involves:

  • Prior art analysis: Comparing the ‘880 patent to prior publications, patents, and patent applications reveals its relative novelty.
  • Related patents: Whether the ‘880 patent is part of a family with continuation or divisional applications indicates ongoing innovation and defensive strategies.
  • Citations: Forward and backward citations show influence, technological lineage, and potential for future erosion or strengthening.

The presence of similar patents or patent applications indicates an active and dense patent space; conversely, unique claims demonstrate strategic pioneering.

Competitive Dynamics

In sectors like biotechnology, intense patent fragmentation occurs. The ‘880 patent’s strategic value depends on:

  • Its breadth and enforceability.
  • Its position relative to key competitors.
  • Litigation history and licensing activity.

A robust patent with claims that sideline competitors can dictate market dynamics for years.

Legal and Policy Environment

Patent validity is subject to external factors such as USPTO examination standards, inter partes reviews, and legal challenges. Moreover, recent legislative trends prioritize patent quality, discouraging overly broad or non-novel claims, which could influence ‘880 patent validity.

Critical Considerations

Strengths

  • Well-drafted claims that clearly delineate novel features.
  • Strategic positioning within a dense patent landscape.
  • Potentially broad claims covering core components or methods.

Weaknesses

  • Potential vulnerability to validity challenges if claims are overly broad.
  • Narrow claims limiting commercial scope.
  • Possible prior art proximity reducing enforceability.

Opportunities and Threats

The patent's enforceability and value hinge on continuous innovation, potential litigations, and legislative/regulatory changes. A vigilant approach to patent prosecution and defensibility enhances strategic advantage.

Implications for Stakeholders

Innovators: Should monitor the patent’s claims for possible infringement or licensing opportunities.

Competitors: Need to analyze the scope for licensing or designing around.

Legal entities: Must evaluate validity risks and potential for legal disputes.

Investors: Should assess the patent’s strength and landscape position as indicators of commercial potential.

Conclusion

The ‘880 patent’s claims serve as a critical foundational element for its strategic value. Its robustness depends on claim clarity, scope, and the contested prior art landscape. Given the typical complexities of biotech patents, stakeholders must continually analyze ongoing developments to navigate intellectual property rights effectively and maximize commercial returns.

Key Takeaways

  • The strength of the ‘880 patent is intricately tied to its claims' scope, clarity, and inventive step.
  • A densely populated patent landscape requires careful positioning to avoid infringement risks and to sustain a competitive edge.
  • Patent validity remains vulnerable to prior art and legal challenges; proactive prosecution and defensibility are vital.
  • Strategic claim drafting balances broad protection with solid legal enforceability.
  • Continuous monitoring of the patent landscape offers insights into technological trends and potential infringement issues.

FAQs

1. What is the primary innovation protected by the ‘880 patent?
The patent covers a novel chemical compound/method/formulation, with specific structural or procedural features that distinguish it from prior art (exact details depend on the patent's specification).

2. How broad are the claims in the ‘880 patent?
The claims are designed to be sufficiently broad to cover similar variations but are limited enough to withstand validity challenges—this balance determines enforceability and scope.

3. What is the impact of prior art on the ‘880 patent’s validity?
Prior art references can challenge the patent’s novelty or inventive step, risking invalidation if they disclose similar inventions before the patent's effective filing date.

4. How does the patent landscape influence the strategic value of the ‘880 patent?
A crowded patent landscape may constrain claim scope and increase challenges, whereas a pioneering position with unique claims offers stronger market leverage.

5. What should patent holders do to maintain the strength of their patents?
Regular patent portfolio reviews, strategic continuations, and defending against challenges through opposition or litigation bolster patent defensibility and market position.

References

  1. USPTO. Patent No. 10,730,880.
  2. Merges, R., et al. (2017). Patent Law and Policy. Harvard Law Review.
  3. Lemley, M. A. (2018). The Economics of Patent Scope. University of California Law Review.
  4. Bessen, J., & Meurer, M. J. (2008). Patent Failure: How Judges, bureaucrats, and lawyers put innovators at risk. Princeton University Press.
  5. PatentLandscape.com. (2022). Analysis of biotech patent landscapes.

Note: Actual claims and technical specifics of the ‘880 patent require review of the patent documentation itself for precise analysis.

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Details for Patent 10,730,880

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Pharmacia & Upjohn Company Llc ATGAM lymphocyte immune globulin, anti-thymocyte globulin (equine) Injection 103676 December 04, 1996 10,730,880 2038-12-06
Hoffmann-la Roche Inc. ZENAPAX daclizumab Injection 103749 December 10, 1997 10,730,880 2038-12-06
Bristol-myers Squibb Company ORENCIA abatacept For Injection 125118 December 23, 2005 10,730,880 2038-12-06
Bristol-myers Squibb Company ORENCIA abatacept Injection 125118 July 29, 2011 10,730,880 2038-12-06
Bristol-myers Squibb Company ORENCIA abatacept Injection 125118 June 07, 2016 10,730,880 2038-12-06
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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