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Last Updated: December 22, 2024

Details for Patent: 8,648,098


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Which drugs does patent 8,648,098 protect, and when does it expire?

Patent 8,648,098 protects ESBRIET and is included in two NDAs.

This patent has forty patent family members in thirty countries.

Summary for Patent: 8,648,098
Title:Pirfenidone therapy and inducers of cytochrome P450
Abstract: The present invention relates to methods involving avoiding adverse drug interactions with pirfenidone and CYP inducers, such as smoking.
Inventor(s): Bradford; Williamson Ziegler (Ross, CA), Szwarcberg; Javier (San Francisco, CA)
Assignee: Intermune, Inc. (Brisbane, CA)
Application Number:13/326,971
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,648,098
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 8,648,098: A Comprehensive Guide

Introduction

When analyzing a patent, understanding its scope and claims is crucial for determining its validity, enforceability, and potential impact on the market. This article will delve into the specifics of United States Patent 8,648,098, exploring its claims, scope, and the broader patent landscape.

Understanding Patent Claims

Patent claims are the heart of a patent, defining the scope of the invention and what is protected by the patent. Claims can be independent or dependent, with independent claims standing alone and dependent claims referring back to an earlier claim[3].

Patent 8,648,098 Overview

To analyze the scope and claims of U.S. Patent 8,648,098, one must first identify the patent's title, inventors, and the assignee. Here is a general outline:

  • Title: The title provides a brief description of the invention.
  • Inventors: The individuals who conceived the invention.
  • Assignee: The entity to which the patent is assigned.

Claim Structure

The claims section of a patent is divided into independent and dependent claims.

Independent Claims

Independent claims are self-contained and do not refer to any other claims. They define the broadest scope of the invention. For example, if U.S. Patent 8,648,098 has an independent claim that describes a method for treating a specific condition, this claim would outline the essential steps and components of that method.

Dependent Claims

Dependent claims build upon independent claims by adding additional limitations or features. These claims are narrower in scope and are used to further define the invention. For instance, a dependent claim might specify a particular dosage or administration method for the treatment described in the independent claim.

Scope of the Patent

The scope of a patent is determined by its claims and the description provided in the specification. Here are key aspects to consider:

Claim Language

The language used in the claims is critical. Broader claims can encompass a wider range of variations, while narrower claims are more specific and limited. Research has shown that narrower claims at publication are associated with a higher probability of grant and a shorter examination process[3].

Cooperative Patent Classification (CPC)

The Cooperative Patent Classification (CPC) system helps in categorizing patents based on their technological features. This classification can aid in identifying similar patents and understanding the broader patent landscape[1].

Patent Landscape Analysis

Analyzing the patent landscape involves looking at related patents, both within the same family and from other inventors.

Patent Family

A patent family includes all related patent applications and granted patents filed in different jurisdictions. Tools like the Global Dossier and the Common Citation Document (CCD) can help in identifying and analyzing the patent family of U.S. Patent 8,648,098[4].

Prior Art and Citations

Understanding prior art and citations is essential. The CCD application consolidates prior art cited by all participating offices for the family members of a patent application, providing a comprehensive view of the prior art landscape[4].

International Patent Offices

To ensure global protection, it is crucial to search international patent databases such as those provided by the European Patent Office (EPO), Japan Patent Office (JPO), and the World Intellectual Property Organization (WIPO)[4].

Expiration and Term

The expiration date of a patent is critical for understanding its current and future impact on the market. Patents typically expire 20 years from their effective filing date, with possible extensions due to Patent Term Adjustment (PTA) or Patent Term Extension (PTE)[2].

Litigation and Validity

Patents can be subject to litigation, particularly if their claims are challenged for obviousness-type double patenting or other validity issues. The case of Allergan USA, Inc. v. MSN Laboratories Private Ltd. highlights the importance of ensuring that claims are patentably distinct to avoid such challenges[2].

Practical Steps for Analysis

Conducting a Preliminary Search

Use the USPTO's Patent Public Search tool or other international databases to identify prior art and related patents. The USPTO provides a step-by-step strategy for conducting a preliminary U.S. patent search[4].

Using Advanced Search Tools

Utilize tools like PATENTSCOPE and the European Patent Office's esp@cenet to search for full-text patent grants and applications globally. These tools can provide machine translations for non-English documents[1][4].

Consulting Resources

Visit the USPTO Public Search Facility or contact a local Patent and Trademark Resource Center (PTRC) for assistance. Trained staff can help navigate the search process and provide additional resources[4].

Key Takeaways

  • Claims Analysis: Understand the independent and dependent claims to determine the scope of the patent.
  • Patent Landscape: Analyze the patent family, prior art, and international filings to understand the broader context.
  • Expiration and Term: Calculate the patent's expiration date and consider any adjustments or extensions.
  • Litigation and Validity: Ensure claims are patentably distinct to avoid validity challenges.
  • Practical Steps: Use advanced search tools and consult resources to conduct a thorough analysis.

FAQs

  1. What is the purpose of independent and dependent claims in a patent? Independent claims define the broadest scope of the invention, while dependent claims add additional limitations to narrow the scope.

  2. How can I determine the expiration date of a patent? The expiration date is typically 20 years from the effective filing date, with possible adjustments due to PTA or PTE.

  3. What tools can I use to search for international patent applications? Tools like PATENTSCOPE, esp@cenet, and the Global Dossier can be used to search international patent databases.

  4. Why is it important to analyze the patent family of a patent? Analyzing the patent family helps in identifying related applications and understanding the broader patent landscape.

  5. Where can I find assistance for conducting a patent search? The USPTO Public Search Facility and local Patent and Trademark Resource Centers (PTRCs) provide trained staff and resources to assist with patent searches.

Sources

  1. Clemson University Libraries - Advanced Patent Searching
  2. United States Court of Appeals for the Federal Circuit - Allergan USA, Inc. v. MSN Laboratories Private Ltd.
  3. SSRN - Patent Claims and Patent Scope
  4. United States Patent and Trademark Office - Search for Patents

More… ↓

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Drugs Protected by US Patent 8,648,098

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Genentech Inc ESBRIET pirfenidone CAPSULE;ORAL 022535-001 Oct 15, 2014 AB RX Yes Yes 8,648,098 ⤷  Subscribe METHOD FOR ADMINISTERING PIRFENIDONE TO AVOID REDUCED EFFICACY BY DISCONTINUING SMOKING OR BY DISCONTINUING A STRONG CYP1A2 INDUCER ⤷  Subscribe
Genentech Inc ESBRIET pirfenidone TABLET;ORAL 208780-001 Jan 11, 2017 AB RX Yes No 8,648,098 ⤷  Subscribe DISCONTINUING SMOKING TO AVOID REDUCED PIRFENIDONE EFFICACY AND THEN ADMINISTERING PIRFENIDONE ⤷  Subscribe
Genentech Inc ESBRIET pirfenidone TABLET;ORAL 208780-001 Jan 11, 2017 AB RX Yes No 8,648,098 ⤷  Subscribe DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INDUCER TO AVOID REDUCED PIRFENIDONE EFFICACY AND THEN ADMINISTERING PIRFENIDONE ⤷  Subscribe
Genentech Inc ESBRIET pirfenidone TABLET;ORAL 208780-002 Jan 11, 2017 DISCN Yes No 8,648,098 ⤷  Subscribe DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INDUCER TO AVOID REDUCED PIRFENIDONE EFFICACY AND THEN ADMINISTERING PIRFENIDONE ⤷  Subscribe
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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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.