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

Last Updated: April 22, 2025

Details for Patent: 4,001,411


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 4,001,411
Title: 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof
Abstract:2-Acyl-4-oxo-hexahydro-4H-pyrazino[2,1-a]isoquinoline derivatives of the formula ##STR1## wherein COR is the acyl radical of an up to 26 carbon atom acid and their physiologically acceptable acid addition and quaternary ammonium salts, are anthelmintics and can be produced by reacting 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline with an acid or a reactive functional derivative thereof.
Inventor(s): Seubert; Jurgen (Darmstadt, DT), Thomas; Herbert (Wuppertal, DT), Andrews; Peter (Wuppertal, DT)
Assignee: Merck Patent Gesellschaft mit beschrankter Haftung (Darmstadt, DT)
Application Number:05/533,467
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 4,001,411: A Comprehensive Guide

Introduction

Understanding the scope and claims of a patent is crucial for inventors, researchers, and businesses to navigate the complex landscape of intellectual property. This article will delve into the specifics of United States Patent 4,001,411, providing a detailed analysis of its scope, claims, and the broader patent landscape.

Background of U.S. Patent 4,001,411

To begin, it is essential to identify the patent in question. However, since the specific details of U.S. Patent 4,001,411 are not provided in the sources, we will use general principles and tools available for patent analysis.

How to Find and Analyze a Patent

Using Patent Search Tools

The United States Patent and Trademark Office (USPTO) offers several tools for searching and analyzing patents. The Patent Public Search tool is a powerful resource that replaced older search tools like PubEast and PubWest. This tool provides enhanced access to prior art and allows users to search through various patent databases[1].

Accessing Patent Documents

To analyze U.S. Patent 4,001,411, you would start by searching for the patent number in the Patent Public Search tool or other databases like Google Patents. Once found, you can access the full text of the patent, including its claims, descriptions, and drawings.

Understanding Patent Claims

What are Patent Claims?

Patent claims define the scope of protection granted by a patent. They are the legal boundaries that distinguish the invention from prior art and other inventions. The Patent Claims Research Dataset provided by the USPTO can offer insights into claim structures and scope measurements for patents granted between 1976 and 2014[3].

Analyzing Claims of U.S. Patent 4,001,411

  • Independent Claims: These are the broadest claims that define the invention without reference to other claims.
  • Dependent Claims: These claims are narrower and depend on the independent claims, often adding additional features or limitations.
  • Claim Structure: Understanding the dependency relationship between claims is crucial. For example, the USPTO's dataset can help identify how claims are structured and related to each other[3].

Scope of the Patent

Patent Scope Measurements

The scope of a patent is determined by its claims. The USPTO's Economic Working Paper 2016-04 provides detailed information on patent scope measurements, including newly developed metrics that can help in understanding the breadth and depth of patent protection[3].

Impact of Patent Scope

A broader patent scope can provide more extensive protection but may also face more challenges during the examination process. Conversely, a narrower scope may be easier to defend but offers less protection.

Patent Landscape Analysis

Prior Art and Related Patents

To understand the patent landscape surrounding U.S. Patent 4,001,411, you need to identify prior art and related patents. Tools like the Common Citation Document (CCD) can help by consolidating citation data from multiple patent offices, providing a single point of access to prior art citations[1].

Global Patent Family

Using the Global Dossier service, you can view the patent family for a specific application, including related applications filed at participating IP offices. This helps in understanding how the patent fits into the global intellectual property landscape[1].

International Implications

Searching International Patent Offices

To see if a similar invention has been patented abroad, you need to search international patent databases. Resources like the European Patent Office's esp@cenet, the Japan Patent Office, and the World Intellectual Property Organization's PATENTSCOPE can provide access to international patent collections[1].

Practical Steps for Analysis

Step-by-Step Search Strategy

  • Identify the Patent: Use the Patent Public Search tool or other databases to locate the patent.
  • Read the Claims: Carefully analyze the independent and dependent claims.
  • Understand the Description: Review the detailed description and drawings to comprehend the invention.
  • Search Prior Art: Use tools like the CCD and Global Dossier to identify related patents and prior art.
  • Analyze Patent Scope: Use metrics from the Patent Claims Research Dataset to understand the breadth and depth of the patent protection[1][3].

Legal and Regulatory Considerations

Patent Term and Examination

The patent term and examination process can significantly impact the scope and claims of a patent. For instance, changes in patent law, such as those introduced by the Uruguay Round Agreements Act (URAA), can affect the incentives and strategies for patent applicants[2].

Restriction Requirements

In cases where multiple inventions are disclosed, the USPTO may issue restriction requirements. Understanding these requirements, as seen in cases like Hyatt v. United States Patent and Trademark Office, is crucial for managing patent applications effectively[2].

Conclusion

Analyzing the scope and claims of a patent like U.S. Patent 4,001,411 involves a thorough understanding of patent search tools, claim structures, and the broader patent landscape. By using resources provided by the USPTO and other international patent offices, inventors and businesses can navigate the complex world of intellectual property effectively.

Key Takeaways

  • Use Advanced Search Tools: Utilize the Patent Public Search and other databases to locate and analyze patents.
  • Understand Claim Structure: Identify independent and dependent claims to define the scope of protection.
  • Analyze Patent Scope: Use metrics from the Patent Claims Research Dataset to understand the breadth and depth of patent protection.
  • Consider International Implications: Search international patent databases to understand the global patent landscape.
  • Be Aware of Legal and Regulatory Changes: Understand how changes in patent law and examination processes can impact patent applications.

FAQs

Q: How can I search for a specific U.S. patent?

A: You can use the Patent Public Search tool provided by the USPTO or other databases like Google Patents to search for a specific U.S. patent by its number.

Q: What are the key components of a patent claim?

A: The key components include independent claims, which define the invention broadly, and dependent claims, which are narrower and depend on the independent claims.

Q: How do I analyze the scope of a patent?

A: Use metrics from the Patent Claims Research Dataset and understand the dependency relationship between claims to analyze the scope of a patent.

Q: What is the Global Dossier service?

A: The Global Dossier service provides access to the file histories of related applications from participating IP offices, allowing users to view the patent family for a specific application.

Q: Why is it important to search international patent databases?

A: Searching international patent databases helps in understanding the global patent landscape and identifying prior art and related patents filed in other countries.

Sources

  1. USPTO - Search for patents.
  2. Hyatt v. United States Patent and Trademark Office.
  3. USPTO - Patent Claims Research Dataset.
  4. Clemson University - Advanced Patent Searching.

More… ↓

⤷  Try for Free


Drugs Protected by US Patent 4,001,411

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Patented / Exclusive UseSubmissiondate
No data available in table
>Applicant>Tradename>Generic Name>Dosage>NDA>Approval Date>TE>Type>RLD>RS>Patent No.>Patent Expiration>Product>Substance>Delist Req.>Patented / Exclusive Use>Submissiondate
Showing 0 to 0 of 0 entries

Foreign Priority and PCT Information for Patent: 4,001,411

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
2362539Dec 17, 1973

International Family Members for US Patent 4,001,411

CountryPatent NumberEstimated ExpirationSupplementary Protection CertificateSPC CountrySPC Expiration
Argentina 208527 ⤷  Try for Free
Argentina 208715 ⤷  Try for Free
Austria 346334 ⤷  Try for Free
Austria 346344 ⤷  Try for Free
Austria 346345 ⤷  Try for Free
Austria A769377 ⤷  Try for Free
>Country>Patent Number>Estimated Expiration>Supplementary Protection Certificate>SPC Country>SPC Expiration
Showing 1 to 6 of 6 entries

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.