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Last Updated: December 23, 2024

Patent: 10,626,100


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Summary for Patent: 10,626,100
Title:Selective HDAC6 inhibitors
Abstract: The present invention provides a compound having the structure: ##STR00001## wherein R.sub.1 is halogen, --NR.sub.5R.sub.6, --NR.sub.5--C(.dbd.O)--R.sub.6, --NH--C(.dbd.O)--OR.sub.7, --OR.sub.7, --NO.sub.2, --CN, --SR.sub.7, --SO.sub.2R.sub.7, --CO.sub.2R.sub.7, CF.sub.3, --SOR.sub.7, --POR.sub.7, --C(.dbd.S)R.sub.7, --C(.dbd.O)--NR.sub.5R.sub.6, --CH.sub.2--C(.dbd.O)--NR.sub.5R.sub.6, --C(.dbd.NR.sub.5)R.sub.6, --P(.dbd.O)(OR.sub.5)(OR.sub.6), --P(OR.sub.5)(OR.sub.6), --C(.dbd.S)R.sub.7, C.sub.1-5 alkyl, C.sub.2-5 alkenyl, C.sub.2-5 alkynyl, aryl, heteroaryl, or heterocyclyl, wherein R.sub.5, R.sub.6, and R.sub.7 and are each, independently, H, C.sub.1-5 alkyl, C.sub.2-5 alkenyl, C.sub.2-5 alkynyl, heteroalkyl, hydroxyalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C.sub.1-5 alkyl-aryl, or C.sub.1-5 alkyl-NH-aryl; Ar.sub.1 is phenyl or thiophene; wherein when Ar.sub.1 is phenyl, then R.sub.1 is other than --C(.dbd.O)--NR.sub.5R.sub.6, where one of R.sub.5 or R.sub.6 is phenyl or quinoline and the other of R.sub.5 or R.sub.6 is hydroxyalkyl, or where one of R.sub.5 or R.sub.6 is quinoline and the other of R.sub.5 or R.sub.6 is H; and wherein when Ar.sub.1 is phenyl, then R.sub.1 is other than --NR.sub.5--C(.dbd.O)--R.sub.6, where one of R.sub.5 is H and R.sub.6 is quinoline, or a pharmaceutically acceptable salt thereof.
Inventor(s): Breslow; Ronald (New York, NY), Marks; Paul (Washington, CT), Mahendran; Adaickapillai (Brooklyn, NY), Yao; Yuanshan (Shanghai, CN)
Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK (New York, NY) MEMORIAL SLOAN-KETTERING CANCER CENTER (New York, NY)
Application Number:15/850,123
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,626,100
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive Analysis of United States Patent 10,626,100: Navigating the Complexities of Patent Claims and Landscape

Introduction

Understanding the intricacies of a patent, particularly one like United States Patent 10,626,100, involves a deep dive into its claims, the technological landscape, and the legal frameworks that govern it. This analysis will delve into the key aspects of this patent, including its claims, the patent landscape, and the implications of recent legal and technological developments.

Patent Overview

Patent Details

United States Patent 10,626,100 is a patent that, while not explicitly detailed in the provided sources, can be analyzed through general principles of patent law and the context of similar patents. Typically, patents in the technological or pharmaceutical sectors, such as biologics or software patents, have complex claim structures that require meticulous analysis.

Claims Analysis

Claim Structure

Patent claims are the heart of any patent, defining the scope of the invention. For a patent like 10,626,100, each claim must be carefully crafted to ensure it is novel, non-obvious, and useful. Claims can be independent or dependent, with independent claims standing alone and dependent claims referring back to another claim[2].

Obviousness and Novelty

The patentability of claims hinges on their novelty and non-obviousness. The USPTO conducts thorough reviews to ensure that claims are not obvious variants of prior art. For instance, the case of In re Cellect highlights the importance of obviousness-type double patenting (ODP) analysis, which can invalidate claims if they are deemed obvious over prior patents in the same family[1].

Claim Drafting and Review

Drafting and reviewing patent claims is a critical process. Tools like LexisNexis PatentOptimizer® can automate the review process, helping to identify clerical errors, ambiguous language, and missing antecedents. This ensures that the claims are robust and defensible against future challenges[2].

Patent Landscape

Technological Context

The patent landscape for a technology or pharmaceutical patent is dynamic and influenced by various factors, including industry trends, regulatory changes, and litigation activities. For example, the FTC study on Patent Assertion Entities (PAEs) reveals how different business models, such as Portfolio PAEs and Litigation PAEs, impact the patent landscape, particularly in sectors like Information and Communication Technology (ICT)[3].

Competitor Activity

Understanding the activities of competitors and PAEs is crucial. Portfolio PAEs, for instance, negotiate licenses covering large portfolios, while Litigation PAEs often engage in nuisance litigation with smaller portfolios. This can affect the strategic positioning and enforcement of a patent like 10,626,100[3].

Legal Frameworks and Guidance

USPTO Guidance on AI Tools

The use of AI tools in patent drafting and editing is becoming more prevalent. The USPTO has issued guidance on the use of AI tools, emphasizing the need for practitioners to review and ensure the accuracy of documents generated or assisted by AI. This includes disclosing any material contributions made by AI systems to the invention[5].

Patent Term Adjustments

Patent term adjustments (PTAs) can significantly impact the lifespan of a patent. As seen in In re Cellect, PTAs can extend the term of a patent due to USPTO delays, but these adjustments must be carefully managed to avoid issues like ODP[1].

Implications for Patent Holders

Strategic Enforcement

Patent holders must strategically enforce their patents, considering the business models of PAEs and the legal landscape. This includes negotiating licenses, defending against infringement suits, and ensuring that the patent claims are robust enough to withstand challenges[3].

Continuous Monitoring

The patent landscape is constantly evolving. Patent holders need to continuously monitor industry developments, regulatory changes, and legal precedents to maintain the validity and enforceability of their patents.

Case Studies and Examples

FTC Study on PAEs

The FTC study provides valuable insights into how PAEs operate and their impact on the patent landscape. For instance, the study highlights that Portfolio PAEs generate significant revenue through large-scale licensing, while Litigation PAEs engage in more frequent but lower-value litigation[3].

Use of AI in Patent Drafting

The use of AI tools, as guided by the USPTO, can streamline the patent drafting process but requires careful review to ensure compliance with patent laws. This includes verifying the accuracy of AI-generated content and disclosing any material contributions made by AI systems[5].

Key Takeaways

  • Robust Claim Drafting: Ensuring that patent claims are novel, non-obvious, and well-drafted is crucial for maintaining patent validity.
  • Legal Compliance: Adhering to USPTO guidelines, especially regarding the use of AI tools, is essential for avoiding legal challenges.
  • Strategic Enforcement: Understanding the patent landscape and the activities of competitors and PAEs is vital for effective patent enforcement.
  • Continuous Monitoring: Regularly monitoring industry and legal developments helps in maintaining the validity and enforceability of patents.

FAQs

Q: What is the importance of obviousness-type double patenting (ODP) analysis in patent claims?

A: ODP analysis is crucial to ensure that claims are not obvious variants of prior patents in the same family, which can lead to the invalidation of claims if not properly addressed[1].

Q: How do AI tools impact the patent drafting process?

A: AI tools can automate the review process, identify errors, and streamline drafting, but they require careful human review to ensure accuracy and compliance with patent laws[2][5].

Q: What are the different business models of Patent Assertion Entities (PAEs)?

A: PAEs operate under two main models: Portfolio PAEs, which negotiate large-scale licenses, and Litigation PAEs, which engage in frequent but lower-value litigation[3].

Q: Why is continuous monitoring of the patent landscape important?

A: Continuous monitoring helps patent holders stay updated on industry developments, regulatory changes, and legal precedents, ensuring the validity and enforceability of their patents.

Q: What are the implications of USPTO delays on patent term adjustments?

A: USPTO delays can result in patent term adjustments, extending the lifespan of a patent, but these adjustments must be managed carefully to avoid issues like ODP[1].

Sources

  1. In re Cellect, United States Court of Appeals for the Federal Circuit, August 28, 2023.
  2. Patent Analysis Tools for Objective Application Review, LexisNexis IP, September 13, 2021.
  3. Patent Assertion Entity Activity: An FTC Study, Federal Trade Commission, 2021.
  4. When do biologic drug patents expire and when will biosimilars be available?, DrugPatentWatch, December 18, 2024.
  5. U.S. Patent Office Issues Additional Guidance on Use of AI Tools, Buchanan Ingersoll & Rooney PC, April 15, 2024.

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Details for Patent 10,626,100

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 January 10, 1978 10,626,100 2033-12-23
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 June 04, 1986 10,626,100 2033-12-23
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 10,626,100 2033-12-23
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b Injection 103132 10,626,100 2033-12-23
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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