You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 25, 2024

Details for Patent: 7,842,687


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 7,842,687
Title:Cephalotaxane derivatives and their processes of preparation and purification
Abstract: The present invention concerns a new general process for asymmetric hemisynthesis of harringtonines and their analogs, that are alkaloids used in chemotherapy. This process comprises direct esterification of a natural cephalotaxine with an acylating compound constituted of a side chain precursor which backbone and functionalization are entirely preformed. The invention also concerns a natural, synthetic or semi-synthetic harringtonines including their tautomeric forms and their salts of the following formula: ##STR00001## wherein n=2 (i.e. harringtonine) or n=3 (i.e. homoharringtonine), in which the total content of impurities, possibly including enantiomeric forms, is lower than 1%, and/or the content of the major impurity is lower than 0.9%, and/or the chromatographic assay exhibits a harringtonines content higher than 97.5%.
Inventor(s): Robin; Jean-Pierre (Nyon, CH), Blanchard; Julie (Rouillon, FR), Marie; Jean-Pierre (Sevres, FR), Radosevic; Nina (Nyon, CH)
Assignee: Chemgenex Pharmaceuticals, Inc. (Geelong, Victoria, AU)
Application Number:11/440,648
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
Patent landscape, scope, and claims:

Understanding the Scope and Claims of United States Patent 7,842,687: A Detailed Analysis

Introduction

Patent 7,842,687, like any other patent, is a complex document that outlines the scope, claims, and innovations of a particular invention. To analyze this patent, it is crucial to delve into its specific claims, the technological context, and the broader patent landscape.

Patent Overview

Patent Title and Abstract

The title and abstract of the patent provide the first glimpse into the invention. While the specific details of Patent 7,842,687 are not provided here, typically, the title and abstract summarize the main purpose and novelty of the invention.

Inventors and Assignees

Identifying the inventors and assignees is essential. This information can reveal the background and expertise of the individuals involved and the organizations that own the patent rights.

Claims Analysis

Independent and Dependent Claims

Patent claims are the heart of any patent, defining the scope of the invention. Independent claims stand alone and define the invention broadly, while dependent claims build upon the independent claims, adding specific details and limitations[3].

Claim Language and Scope

The language used in the claims is critical. Longer and more detailed independent claims can indicate a narrower scope, which may be more likely to be granted and less likely to face challenges during litigation. Conversely, broader claims might be more susceptible to invalidation due to lack of clarity or overbreadth[3].

Technological Context

Relevant Technology Fields

Understanding the technological field in which the patent resides is vital. For example, patents in fields like electrical engineering, computer technology, and digital communication have seen significant growth and innovation in recent years[4].

Recent Developments and Trends

The patent landscape is dynamic, influenced by recent developments and trends. For instance, the 2024 USPTO guidance update on AI patents highlights the importance of integrating judicial exceptions into practical applications, which could impact how claims in various fields are crafted and evaluated[1].

Patent Eligibility and Subject Matter

Judicial Exceptions and Practical Applications

The 2024 USPTO guidance emphasizes the need to evaluate whether a claim integrates a judicial exception into a practical application. This involves assessing additional elements in the claim to determine if they impose meaningful limits on the exception, transforming the claim into patent-eligible subject matter[1].

AI-Assisted Inventions

For patents involving AI, the method of invention development, including the use of AI, does not impact subject matter eligibility. The focus remains on the claimed invention itself, ensuring that AI’s role as a tool does not exclude inventions from eligibility, provided there is significant human contribution[1].

Case Law and Precedents

Federal Circuit Decisions

Recent Federal Circuit decisions, such as those in the case of In re Cellect, provide important precedents that shape the interpretation of patent eligibility and other patent-related issues. These decisions help in promoting consistency and clarity in the application of patent eligibility criteria[2].

Practical Applications and Real-World Benefits

Demonstrating Concrete Benefits

Highlighting the real-world applications of the claimed method or system is crucial for bolstering the argument for patent eligibility. Demonstrating how the abstract idea is applied in a way that provides concrete benefits or solves specific problems in the relevant field is essential[1].

Patent Maintenance and Litigation

Patent Scope and Quality

The scope and quality of patents can significantly impact their maintenance and litigation outcomes. Narrower claims are often associated with a higher probability of grant and a shorter examination process, while broader claims may face more challenges[3].

Global Trends and Comparative Analysis

U.S. and Global Patent Trends

Understanding the broader trends in patent applications and grants can provide context. For instance, electrical engineering and computer technology patents have seen substantial growth in the U.S. between 2000 and 2018, reflecting the increasing importance of ICT[4].

Key Takeaways

  • Claims Craftsmanship: The language and scope of claims are critical in defining the invention and ensuring patent eligibility.
  • Technological Context: Understanding the relevant technology field and recent trends is essential for navigating the patent landscape.
  • Practical Applications: Demonstrating real-world benefits and practical applications of the invention is vital for patent eligibility.
  • Case Law and Precedents: Recent court decisions and USPTO guidance updates play a significant role in shaping patent eligibility criteria.
  • Global Trends: Keeping abreast of global patent trends can help in strategizing patent applications and maintenance.

FAQs

What is the significance of integrating judicial exceptions into practical applications in patent claims?

Integrating judicial exceptions into practical applications is crucial for ensuring that a claim is patent-eligible. This involves assessing additional elements in the claim to determine if they impose meaningful limits on the exception, transforming the claim into patent-eligible subject matter[1].

How does the use of AI impact the patent eligibility of an invention?

The use of AI in the method of invention development does not impact subject matter eligibility. The focus remains on the claimed invention itself, ensuring that AI’s role as a tool does not exclude inventions from eligibility, provided there is significant human contribution[1].

What are the implications of recent Federal Circuit decisions on patent eligibility?

Recent Federal Circuit decisions integrate recent legal standards and interpretations, particularly relevant for AI inventions. These decisions help promote consistency and clarity in the application of patent eligibility criteria, reflecting the latest judicial thinking[1].

How do narrower claims impact the patent examination process?

Narrower claims are often associated with a higher probability of grant and a shorter examination process compared to broader claims. This is because narrower claims are typically more specific and less likely to face challenges during litigation[3].

What are the trends in U.S. patent grants in recent years?

Between 2000 and 2018, there was a significant increase in patents granted in fields such as electrical engineering and computer technology, reflecting the growing importance of information and communication technologies (ICT)[4].

Sources

  1. Understanding the 2024 USPTO Guidance Update on AI Patent - Mintz
  2. In re Cellect - United States Court of Appeals for the Federal Circuit
  3. Patent Claims and Patent Scope - SSRN
  4. Invention: U.S. and Comparative Global Trends - NSF

More… ↓

⤷  Subscribe


Drugs Protected by US Patent 7,842,687

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

Foreign Priority and PCT Information for Patent: 7,842,687

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France98 03492Mar 20, 1998

International Family Members for US Patent 7,842,687

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 289312 ⤷  Subscribe
Australia 2002304338 ⤷  Subscribe
Australia 3270699 ⤷  Subscribe
Canada 2324895 ⤷  Subscribe
Canada 2441428 ⤷  Subscribe
China 1220692 ⤷  Subscribe
China 1300289 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.