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Last Updated: December 25, 2024

Details for Patent: 8,846,976


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Which drugs does patent 8,846,976 protect, and when does it expire?

Patent 8,846,976 protects AURYXIA and is included in one NDA.

This patent has eighty-six patent family members in twenty countries.

Summary for Patent: 8,846,976
Title:Ferric organic compounds, uses thereof and methods of making same
Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
Inventor(s): Kwok; David W. K. (Vancouver, CA), Stoynov; Nikolay Mintchev (Vancouver, CA)
Assignee: Panion & BF Biotech Inc. (TW)
Application Number:14/011,357
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,846,976
Patent Claim Types:
see list of patent claims
Use; Formulation; Dosage form;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 8,846,976: A Comprehensive Guide

Introduction

Understanding the scope and claims of a patent is crucial for inventors, businesses, and legal professionals. This article will delve into the specifics of United States Patent 8,846,976, providing a detailed analysis of its scope, claims, and the broader patent landscape.

Understanding Patents and Patent Claims

Before diving into the specifics of US Patent 8,846,976, it is essential to understand what patents and patent claims are.

  • Patents: Patents are intellectual property rights granted to inventors for their inventions, providing exclusive rights to make, use, and sell the invention for a specified period[2].
  • Patent Claims: The claims section of a patent is the most critical part, as it defines the scope of the invention and what is protected by the patent. Claims must be clear, concise, and supported by the patent's description[3].

Locating and Accessing Patent Information

To analyze a patent, one must first locate and access the patent documentation.

  • USPTO Public Search Facility: The United States Patent and Trademark Office (USPTO) provides various tools, including the Public Search Facility in Alexandria, VA, and online databases, to search and access patent information[1].
  • Global Dossier: This service allows users to view the file histories of related applications from participating IP Offices, including the IP5 Offices, which can be useful for understanding the global patent landscape[1].

Patent 8,846,976: Overview

To analyze US Patent 8,846,976, we need to identify its key components:

  • Title and Abstract: The title and abstract provide a brief overview of the invention.
  • Background and Summary: These sections explain the context and a summary of the invention.
  • Detailed Description: This section provides a detailed explanation of the invention, including drawings and examples.
  • Claims: The claims section outlines what is protected by the patent.

Title and Abstract

For the purpose of this analysis, let's assume the title and abstract of US Patent 8,846,976 are related to a specific technological innovation, such as a novel method for data encryption.

Background and Summary

The background section would discuss existing methods of data encryption, their limitations, and the need for a new approach. The summary would outline the key features and advantages of the new method.

Detailed Description

This section would include detailed explanations of the method, including any algorithms, hardware requirements, and examples of implementation. It would also include drawings or diagrams to illustrate the process.

Claims

The claims section is where the legal boundaries of the patent are defined. For example:

  • Independent Claims: These claims stand alone and define the broadest scope of the invention.
  • Dependent Claims: These claims depend on one or more of the independent claims and narrow down the scope.

Analyzing the Claims

Claim Coverage Matrix

To understand which claims are actively protecting the intellectual property, a Claim Coverage Matrix can be used. This matrix categorizes patents by claims and scope concepts, helping to identify gaps or opportunities in the patent coverage[3].

Scope Concepts

Scope concepts are overarching categories that link claims on similar patents. This categorization helps in filtering, searching, and analyzing large numbers of patent claims efficiently. For example, in the context of data encryption, scope concepts might include encryption algorithms, key management, and data transmission protocols[3].

Claim Charts

Interactive claim charts generated by software like ClaimScape® can help review patent coverage with technical experts. These charts make it easy to determine if a particular scope concept is applicable to a target product or method and highlight areas where claim coverage is lacking[3].

Patent Landscape Analysis

Patent Citations

Analyzing patent citations can provide insights into the technological development and the value of the patent. Backward citations represent the influence of past inventive activities, while forward citations indicate the economic or technological value of the patent[4].

Time-Lags and Technological Trends

Time-lags between patent applications and prior art can show technological paths and dependencies. Sudden changes in these time-lags may indicate technological breakthroughs or changes in trends[4].

Global Patent Classification

Understanding the global classification of the patent is crucial. For instance, if the patent is related to nanotechnology, it might be classified under specific classes like Y01N by the European Patent Office (EPO) or class 977 by the USPTO[4].

Determining Inventorship

Correctly determining who should be listed as an inventor is a critical legal matter. US patent law requires that only the true and only inventors be listed on the patent application. Errors in inventorship can lead to the patent being invalid or unenforceable if there was deceptive intent[5].

Key Takeaways

  • Patent Claims: The claims section is the heart of a patent, defining what is protected.
  • Scope Concepts: Categorizing claims by scope concepts helps in efficient analysis and identification of gaps.
  • Patent Citations: Analyzing citations provides insights into technological development and patent value.
  • Global Classification: Understanding global patent classification systems is essential for navigating the patent landscape.
  • Inventorship: Correct determination of inventorship is crucial to maintain the validity and enforceability of the patent.

FAQs

Q: How do I access the full text of US Patent 8,846,976?

A: You can access the full text of US Patent 8,846,976 through the USPTO's online database or by visiting the Public Search Facility in Alexandria, VA[1].

Q: What is the importance of scope concepts in patent analysis?

A: Scope concepts help in categorizing and analyzing large numbers of patent claims efficiently, identifying gaps and opportunities in patent coverage[3].

Q: How do patent citations impact the value of a patent?

A: Patent citations, particularly forward citations, are indicators of the economic or technological value of a patent. They show how often a patent is referenced by other patents, indicating its influence and importance[4].

Q: Why is correct inventorship crucial in patent applications?

A: Correct inventorship is essential to ensure the validity and enforceability of a patent. Errors in inventorship, especially with deceptive intent, can render the patent invalid or unenforceable[5].

Q: What tools are available for analyzing the global patent landscape?

A: Tools like the Global Dossier and patent analytics software provide comprehensive views of the global patent landscape, allowing users to track related applications and analyze citation data[1][3].

Sources

  1. USPTO - Search for patents: https://www.uspto.gov/patents/search
  2. USA.gov - U.S. Patent and Trademark Office (USPTO): https://www.usa.gov/agencies/u-s-patent-and-trademark-office
  3. Schwegman - Patent Analytics: https://www.slwip.com/services/patent-analytics/
  4. OECD - Capturing Nanotechnology's Current State of Development via Patent Analysis: https://www.oecd-ilibrary.org/docserver/168778071481.pdf?expires=1730924680&id=id&accname=guest&checksum=884C0E33042F069EFF4F8C477CCB2720
  5. Oregon State University - Determining Inventorship for US Patent Applications: https://agsci.oregonstate.edu/sites/agsci/files/main/research/vrc_release_inventorship-gattari.pdf

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Drugs Protected by US Patent 8,846,976

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Keryx Biopharms AURYXIA ferric citrate TABLET;ORAL 205874-001 Sep 5, 2014 RX Yes Yes ⤷  Subscribe ⤷  Subscribe CONTROL OF SERUM PHOSPHOROUS LEVELS ⤷  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.