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

Last Updated: December 22, 2024

Details for Patent: 6,303,146


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 6,303,146
Title: Solid oral dosage form comprising a combination of metformin and glibenclamide
Abstract:The present invention relates to a solid oral dosage form comprising a combination of metformin and glibenclamide in which the size of glibenclamide is such that the glibenclamide bioavailability is comparable to the glibenclamide bioavailability obtained with a separate administration of metformin and glibenclamide.
Inventor(s): Bonhomme; Yves (Charbonnieres les Bains, FR), Nicholson; Geoffrey (Aylesbury, GB), Cave; Gillian (Ellesmere Port, GB), Nicholson; Sarah J. (Helsby, GB)
Assignee: LIPHA (Lyons, FR)
Application Number:09/353,141
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Composition; Process; Formulation; Use;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 6,303,146: A Comprehensive Guide

Introduction

Understanding the scope and claims of a patent is crucial for inventors, patent holders, and those interested in the intellectual property landscape. This article will delve into the details of United States Patent 6,303,146, providing a thorough analysis of its scope, claims, and the broader patent landscape.

Understanding Patent Scope and Claims

Before diving into the specifics of US Patent 6,303,146, it is essential to understand what patent scope and claims entail.

Patent Scope

The scope of a patent refers to the breadth and depth of the protection it offers. It is determined by the claims section of the patent, which outlines what is considered novel and non-obvious about the invention[3].

Patent Claims

Patent claims are the heart of a patent, defining the boundaries of the invention and what is protected. They must be clear, concise, and supported by the description in the patent specification[3].

United States Patent 6,303,146 Overview

Title and Assignees

To begin, it is important to identify the title and assignees of the patent. However, since the specific details of US Patent 6,303,146 are not provided in the sources, we will assume a hypothetical scenario for illustrative purposes.

Priority Date and Filing Date

The priority date and filing date are critical in determining the patent's validity and the prior art that can be considered. These dates help in understanding the timeline of the invention and its development.

Analyzing the Claims

Claim Structure

The claims section of a patent is typically divided into independent and dependent claims. Independent claims stand alone and define the invention, while dependent claims refer back to and further limit the independent claims.

Claim Language

The language used in the claims is precise and technical. For example, a claim might read: "A method for [process], comprising [steps], wherein [specific condition]." The specificity of the language is crucial in defining what is protected.

Claim Types

There are different types of claims, including:

  • Utility Claims: These cover the functional aspects of the invention.
  • Design Claims: These cover the ornamental design of the invention.
  • Plant Claims: These cover new and distinct plant varieties.

Patent Landscape Analysis

Prior Art

To understand the scope of US Patent 6,303,146, one must analyze the prior art cited in the patent. This involves searching through databases such as the USPTO's Patent Public Search tool, the European Patent Office's esp@cenet, and other international patent databases[1].

Patent Family

The patent family includes all related applications filed at participating IP Offices. Tools like the Global Dossier and Common Citation Document (CCD) can help in identifying the patent family and understanding the global context of the invention[1].

Office Actions and Citations

Office actions and citations provide insight into how the patent office viewed the invention during the examination process. The CCD application consolidates prior art cited by all participating offices, making it easier to visualize the global patent landscape[1].

Tools and Resources for Patent Analysis

USPTO Resources

  • Patent Public Search: A powerful tool for searching prior art and understanding the patent landscape.
  • Global Dossier: Provides access to file histories of related applications from participating IP Offices.
  • Common Citation Document (CCD): Consolidates citation data from multiple offices[1].

International Patent Databases

  • European Patent Office (EPO): esp@cenet network of Europe's patent databases.
  • Japan Patent Office (JPO): Provides access to Japanese patents and machine translations.
  • World Intellectual Property Organization (WIPO): PATENTSCOPE ® Search Service for international patent applications[1].

Economic and Legal Considerations

Maintenance Fees

Patent holders must pay maintenance fees to keep their patents in force. Failure to pay these fees can result in the patent expiring. The USPTO has specific rules and procedures for maintaining patents, including grace periods and petition processes for delayed payments[4].

Small Claims Patent Court

There have been discussions and studies on the feasibility of a small claims patent court to handle disputes related to patent infringement in a more streamlined and cost-effective manner[2].

Case Study: Analyzing a Hypothetical Patent

Example Claims

For illustrative purposes, let's consider a hypothetical patent with the following claim structure:

  • Independent Claim 1: A method for manufacturing a solid oral dosage form, comprising mixing metformin and glibenclamide, and forming the mixture into tablets.
  • Dependent Claim 2: The method of claim 1, wherein the tablets are coated with a controlled-release layer.

Prior Art Analysis

Using tools like the USPTO's Patent Public Search and the CCD, one can identify prior art that may affect the validity of the claims. For instance, if similar methods of manufacturing solid oral dosage forms are found in prior art, it could impact the novelty of the invention.

Global Patent Landscape

The Global Dossier and CCD would help in identifying related applications and citations from other IP Offices, providing a comprehensive view of the global patent landscape.

Key Takeaways

  • Understand the Claims: The claims section is the most critical part of a patent, defining what is protected.
  • Use Advanced Tools: Utilize tools like the USPTO's Patent Public Search, Global Dossier, and CCD to analyze prior art and the global patent landscape.
  • Maintain Your Patent: Pay maintenance fees on time to keep your patent in force.
  • Stay Informed: Keep up with legal and economic considerations, such as the potential for a small claims patent court.

FAQs

What is the importance of the claims section in a patent?

The claims section is crucial as it defines the boundaries of the invention and what is protected by the patent.

How can I search for prior art related to my patent?

You can use the USPTO's Patent Public Search tool, the European Patent Office's esp@cenet, and other international patent databases to search for prior art.

What happens if I fail to pay maintenance fees for my patent?

If you fail to pay maintenance fees, your patent will expire and become unenforceable. However, you can petition the USPTO to accept delayed payments under certain conditions.

What is the Global Dossier, and how does it help in patent analysis?

The Global Dossier provides access to the file histories of related applications from participating IP Offices, helping you understand the global context of your invention.

Are there any ongoing discussions about simplifying patent dispute resolution?

Yes, there have been studies and discussions about establishing a small claims patent court to handle patent disputes in a more streamlined and cost-effective manner.

Sources

  1. USPTO - Search for patents: https://www.uspto.gov/patents/search
  2. ACUS - U.S. Patent Small Claims Court: https://www.acus.gov/research-projects/us-patent-small-claims-court
  3. USPTO - Patent Claims Research Dataset: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
  4. Federal Register - Rules for Patent Maintenance Fees: https://www.americorps.gov/sites/default/files/document/2024-21919%20EONS%20Form%20&%20Survey%2030.day_.pdf

More… ↓

⤷  Subscribe


Drugs Protected by US Patent 6,303,146

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: 6,303,146

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
98401781Jul 15, 1998

International Family Members for US Patent 6,303,146

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 1450 ⤷  Subscribe
Argentina 013052 ⤷  Subscribe
Argentina 065970 ⤷  Subscribe
Austria 250418 ⤷  Subscribe
Australia 2003261560 ⤷  Subscribe
Australia 5417999 ⤷  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.