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Last Updated: December 22, 2024

Details for Patent: 6,525,057


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Summary for Patent: 6,525,057
Title: Sustained release ranolazine formulations
Abstract:A sustained release ranolazine formulation contains an intimate mixture of ranolazine and a partially neutralized pH-dependent binder to form a film that is mostly insoluble in aqueous media below pH 4.5 and soluble in aqueous media above pH 4.5. The formulation is suitable for twice daily administration of ranolazine and is useful for controlling the rate of dissolution of ranolazine, and to maintain human plasma ranolazine levels at between 550 and 7500 ng base/mL.
Inventor(s): Wolff; Andrew A. (San Francisco, CA), Baker; Fiona (Dunfermline, GB), Langridge; John (Wrexham, GB)
Assignee: CV Therapeutics, Inc. (Palo Alto, CA)
Application Number:09/925,871
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

United States Patent 6,525,057: A Detailed Analysis of Scope, Claims, and Patent Landscape

Introduction

United States Patent 6,525,057, hereafter referred to as US 6,525,057, is a patent that has been the subject of significant interest, particularly in the pharmaceutical industry. This article provides a comprehensive analysis of the scope, claims, and the broader patent landscape surrounding this patent.

Background of the Invention

US 6,525,057 was granted on February 25, 2003, and it claims priority to U.S. Provisional Patent Application Ser. No. 60/099,804 filed on September 10, 1998. The patent is categorized under the field of pharmaceuticals, specifically relating to a particular drug formulation[5].

Scope of the Patent

The scope of US 6,525,057 is defined by its claims, which outline the specific aspects of the invention that are protected by the patent. The patent covers a unique formulation of a drug, including its composition, method of preparation, and use. Understanding the scope is crucial as it determines what is considered an infringement of the patent.

Claims Analysis

The claims section of the patent is the most critical part as it delineates the legal boundaries of the invention. US 6,525,057 includes multiple claims, each detailing a different aspect of the drug formulation. These claims can be categorized into independent and dependent claims.

  • Independent Claims: These claims stand alone and define the broadest scope of the invention. They typically describe the core elements of the drug formulation.
  • Dependent Claims: These claims are narrower and depend on the independent claims. They often describe specific variations or additional features of the invention[5].

Patent Claims Research Dataset

For a deeper analysis of patent claims, the USPTO provides the Patent Claims Research Dataset, which contains detailed information on claims from U.S. patents granted between 1976 and 2014. While this dataset does not specifically include US 6,525,057, it offers insights into how patent claims are structured and analyzed. The dataset includes individually-parsed claims, claim-level statistics, and document-level statistics, which can be useful in understanding the broader context of patent claims[3].

Patent Landscape

The patent landscape surrounding US 6,525,057 involves several key aspects:

International Patents

To understand the global reach of this patent, it is essential to look at international patent databases. The European Patent Office (EPO), Japan Patent Office (JPO), and the World Intellectual Property Organization (WIPO) provide searchable databases that can help determine if similar patents exist in other countries. Tools like the Common Citation Document (CCD) can consolidate prior art cited by multiple offices, providing a comprehensive view of the patent family[1].

Related Patents and Applications

Using resources like the USPTO's Patent Public Search tool, one can identify related patents and applications. This tool allows users to search for prior art and see the patent family for a specific application, including all related applications filed at participating IP Offices[1].

Expiration and Generic Entry

Patents have a limited lifespan, typically 20 years from the filing date of the earliest non-provisional application. US 6,525,057 has already expired, which means that the protected drug formulation is now open to generic entry. This is a critical aspect of the patent landscape as it affects the market dynamics and competition in the pharmaceutical industry[2].

Search and Analysis Tools

Several tools and resources are available for searching and analyzing patents:

Patent Public Search

This web-based patent search application provides enhanced access to prior art and is a powerful tool for conducting thorough patent searches[1].

Global Dossier

This service allows users to see the file histories of related applications from participating IP Offices, which is useful for understanding the global patent family and any office actions related to the patent[1].

Patent and Trademark Resource Centers (PTRCs)

These centers offer local search resources and training in patent search techniques, which can be invaluable for detailed analysis and research[1].

Economic Impact

The economic impact of a patent like US 6,525,057 can be significant. Patents drive innovation and can provide a competitive edge to the patent holder. The USPTO's mission to drive U.S. innovation, inclusive capitalism, and global competitiveness underscores the importance of patents in the economic landscape[4].

Key Takeaways

  • Scope and Claims: The patent's scope is defined by its claims, which are critical for understanding what is protected.
  • Patent Landscape: The global patent landscape includes international patents, related applications, and the expiration status of the patent.
  • Search and Analysis Tools: Various tools like Patent Public Search, Global Dossier, and PTRCs are essential for thorough patent research.
  • Economic Impact: Patents play a crucial role in driving innovation and economic competitiveness.

FAQs

What is the primary purpose of the claims section in a patent?

The primary purpose of the claims section is to define the legal boundaries of the invention, outlining what is protected by the patent.

How can I determine if a similar patent exists in other countries?

You can use international patent databases such as those provided by the EPO, JPO, and WIPO to search for similar patents.

What is the Common Citation Document (CCD), and how is it useful?

The CCD consolidates prior art cited by multiple offices, providing a single point of access to citation data related to a patent application.

What happens when a patent expires?

When a patent expires, the protected invention enters the public domain, allowing others to manufacture and sell the invention without infringing on the original patent.

Where can I find detailed information on patent claims and statistics?

The USPTO's Patent Claims Research Dataset provides detailed information on claims from U.S. patents and applications, including claim-level and document-level statistics.

Sources

  1. USPTO - Search for patents: https://www.uspto.gov/patents/search
  2. DrugPatentWatch - Patent 6525057: https://www.drugpatentwatch.com/p/patent/6525057
  3. USPTO - Patent Claims Research Dataset: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
  4. U.S. Department of Commerce - U.S. Patent and Trademark Office: https://www.commerce.gov/bureaus-and-offices/uspto
  5. US Patent 6525057 PDF: https://patentimages.storage.googleapis.com/2c/05/c1/e371b0771f0449/US6525057.pdf

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Drugs Protected by US Patent 6,525,057

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

International Family Members for US Patent 6,525,057

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1109558 ⤷  Subscribe PA2008017 Lithuania ⤷  Subscribe
European Patent Office 1109558 ⤷  Subscribe CA 2008 00051 Denmark ⤷  Subscribe
European Patent Office 1109558 ⤷  Subscribe 91504 Luxembourg ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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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.