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Last Updated: December 29, 2024

Details for Patent: 8,101,582


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Which drugs does patent 8,101,582 protect, and when does it expire?

Patent 8,101,582 protects TOBRADEX ST and is included in one NDA.

Summary for Patent: 8,101,582
Title:Topical ophthalmic compositions containing tobramycin and dexamethasone
Abstract: Ophthalmic pharmaceutical compositions containing tobramycin, dexamethasone and deacetylated xanthan gum are described. The compositions provide longer ocular retention for enhanced ocular bioavailability of tobramycin and dexamethasone. In a preferred embodiment, the compositions also provide for improved suspension of dexamethasone. The concentration of ionizable species in the compositions is controlled so as to prevent precipitation of the xanthan gum as a result of ionic interactions between tobramycin and xanthan gum, while allowing for a restoration of viscosity upon topical application of the compositions to the eye. The use of deacetylated xanthan gum is disclosed, so as to avoid formulation instability caused by pH drift during storage.
Inventor(s): Kabra; Bhagwati P. (Euless, TX)
Assignee: Alcon Research, Ltd. (Fort Worth, TX)
Application Number:12/841,414
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 8,101,582: A Comprehensive Guide

Introduction to Patent Analysis

When analyzing a patent, understanding its scope, claims, and the broader patent landscape is crucial. This article will delve into the specifics of United States Patent 8,101,582, providing a detailed analysis of its claims, scope, and the context within which it exists.

Understanding the Patent System

Before diving into the specifics of a patent, it's essential to understand the patent system. The U.S. Patent and Trademark Office (USPTO) is responsible for granting U.S. patents and registering trademarks. The process involves a thorough examination to ensure the invention is novel, non-obvious, and useful[2].

Patent 8,101,582 Overview

Patent Title and Abstract

To begin, one must identify the title and abstract of the patent. While the specific details of Patent 8,101,582 are not provided here, typically, the title gives a brief description of the invention, and the abstract provides a concise summary of the disclosure.

Claims Analysis

The claims section is the most critical part of a patent as it defines the scope of the invention. Claims are statements that define the invention and distinguish it from prior art. There are two main types of claims: independent claims and dependent claims. Independent claims stand alone and define the invention, while dependent claims refer back to and further limit the independent claims[1].

Independent Claims

Independent claims are broad and define the overall scope of the invention. For example, if Patent 8,101,582 is for a new type of software algorithm, an independent claim might describe the general process and components of the algorithm.

Dependent Claims

Dependent claims narrow down the invention by adding specific details or limitations to the independent claims. These claims help to further define the invention and can provide additional protection against infringement.

Scope of the Invention

The scope of the invention is determined by the claims. It is essential to analyze each claim carefully to understand what is protected and what is not. The scope can be influenced by various factors, including prior art, the description in the specification, and any amendments made during the patent prosecution process.

Patent Landscape Analysis

Prior Art Search

To understand the patent landscape, conducting a prior art search is crucial. This involves searching existing patents and publications to identify similar inventions. Tools like the USPTO's Patent Public Search, Global Dossier, and international patent databases such as those provided by the European Patent Office (EPO) and the World Intellectual Property Organization (WIPO) can be used for this purpose[1].

Competitor Patents

Identifying competitor patents in the same field can provide insights into the competitive landscape. This involves searching for patents held by competitors and analyzing their claims and scope to understand potential overlaps or areas of differentiation.

International Patent Filings

Checking for international patent filings related to the same invention can be done using resources like the Global Dossier and international patent databases. This helps in understanding the global protection and potential infringement risks[1].

Tools and Resources for Patent Analysis

USPTO Resources

The USPTO provides several resources for patent analysis, including the Patent Public Search tool, which offers enhanced access to prior art. The Global Dossier service allows users to view the patent family for a specific application, including related applications from participating IP Offices[1].

Patent and Trademark Resource Centers (PTRCs)

Local PTRCs offer training in patent search techniques and maintain local search resources, which can be invaluable for detailed analysis[1].

Patent Claims Research Dataset

The USPTO's Patent Claims Research Dataset provides detailed information on claims from U.S. patents and applications, which can be used to analyze trends and patterns in patent claims[3].

Legal and Regulatory Context

Leahy-Smith America Invents Act (AIA)

The AIA introduced significant changes to the U.S. patent system, including changes to the number of defendants in a lawsuit and the introduction of inter partes review (IPR) proceedings. These changes can affect the litigation landscape and the quality of issued patents[4].

Patent Litigation Trends

Understanding trends in patent litigation can provide insights into the types of patents that are more likely to be involved in litigation. The Government Accountability Office (GAO) has conducted studies on patent litigation, highlighting factors that contribute to increased litigation activity[4].

Practical Steps for Analyzing a Patent

Step-by-Step Search Strategy

Conducting a preliminary U.S. patent search involves a multi-step strategy. This includes using the Patent Public Search tool, searching international databases, and reviewing the Official Gazette for issued patents[1].

Using the Global Dossier

The Global Dossier service can help in identifying related applications and office actions, which is crucial for understanding the patent family and potential challenges[1].

Analyzing Claim Dependency

Understanding the dependency between claims is vital. This involves identifying how dependent claims narrow down the independent claims and what specific limitations they add[3].

Key Takeaways

  • Claims Analysis: The claims section is critical and defines the scope of the invention.
  • Prior Art Search: Conducting a thorough prior art search is essential to understand the patent landscape.
  • Global Perspective: Checking international patent filings helps in understanding global protection.
  • Legal Context: Understanding changes in patent law, such as those introduced by the AIA, is crucial for patent analysis.
  • Tools and Resources: Utilizing USPTO resources, PTRCs, and datasets can enhance the analysis process.

FAQs

What is the importance of independent claims in a patent?

Independent claims define the overall scope of the invention and stand alone without reference to other claims. They are crucial for determining the breadth of protection granted by the patent.

How can I conduct a prior art search for a patent?

You can conduct a prior art search using tools like the USPTO's Patent Public Search, Global Dossier, and international patent databases such as those provided by the EPO and WIPO.

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

The Global Dossier service provides access to the file histories of related applications from participating IP Offices, allowing users to see the patent family for a specific application, including related applications, dossier, classification, and citation data.

How do changes in patent law, such as the AIA, affect patent analysis?

Changes in patent law, such as those introduced by the AIA, can affect the litigation landscape and the quality of issued patents. For example, the AIA introduced inter partes review (IPR) proceedings, which can impact the validity of patents.

What resources are available for training in patent search techniques?

Local Patent and Trademark Resource Centers (PTRCs) offer training in patent search techniques and maintain local search resources, which can be invaluable for detailed analysis.

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. USPTO - Patent Claims Research Dataset: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
  4. GAO - Assessing Factors That Affect Patent Infringement Litigation: https://www.gao.gov/products/gao-13-465

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Drugs Protected by US Patent 8,101,582

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Harrow Eye TOBRADEX ST dexamethasone; tobramycin SUSPENSION/DROPS;OPHTHALMIC 050818-001 Feb 13, 2009 RX Yes Yes 8,101,582 ⤷  Subscribe Y USE OF A COMBINATION OF TOBRAMYCIN AND DEXAMETHASONE TO TREAT OCULAR INFLAMMATION WHERE AN INFECTION OR RISK OF INFECTION EXISTS ⤷  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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