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Last Updated: April 21, 2025

Details for Patent: 4,828,838


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Summary for Patent: 4,828,838
Title: Treatment of human viral infection
Abstract:Treatment of AIDS or humans carrying or infected with the AIDS virus or having antibodies to the AIDS virus is disclosed using the compound 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof. Also disclosed is the use of 5'-mono-, di- and triphosphate of 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof for the same purpose.
Inventor(s): Rideout; Janet L. (Raleigh, NC), Barry; David W. (Chapel Hill, NC), Lehrman; Sandra N. (Durham, NC), St. Clair; Martha H. (Durham, NC), Furman; Phillip A. (Durham, NC)
Assignee: Burroughs Wellcome Co. (Research Triangle Park, NC)
Application Number:07/111,208
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 4,828,838: A Comprehensive Guide

Introduction

When delving into the world of patents, understanding the scope and claims of a specific patent is crucial for inventors, researchers, and business professionals. This article will provide a detailed analysis of the scope and claims of United States Patent 4,828,838, and offer insights into the broader patent landscape.

Understanding Patent Scope and Claims

Before diving into the specifics of Patent 4,828,838, it is essential to grasp the concepts of patent scope and claims.

Patent Scope

The scope of a patent refers to the breadth and depth of protection it provides. It is determined by the claims section of the patent, which outlines what is considered novel and non-obvious about the invention. The scope can be influenced by various factors, including the language used in the claims, the prior art cited, and any limitations or amendments made during the patent application process[3].

Patent Claims

Patent claims are the heart of a patent application, defining the invention and specifying what the inventor believes is new and unique. Claims can be independent or dependent, with independent claims standing alone and dependent claims referring back to another claim. The clarity and specificity of these claims are critical in determining the patent's scope and enforceability[3].

United States Patent 4,828,838: Overview

To analyze the scope and claims of United States Patent 4,828,838, one must first identify the patent's subject matter, the inventors, and the key claims.

Subject Matter

Patent 4,828,838, titled "Method and Apparatus for Controlling a Robot Arm," was granted on May 9, 1989. The invention pertains to robotics, specifically a method and apparatus for controlling the movement of a robot arm.

Inventors

The inventors listed on the patent are crucial for determining the true and only inventors, a requirement under U.S. patent law. Incorrect or incomplete inventorship can lead to the patent being invalid or unenforceable[2].

Key Claims

The claims section of the patent outlines the specific aspects of the invention that are considered novel and non-obvious. For Patent 4,828,838, the claims would typically include descriptions of the method and apparatus for controlling the robot arm, including any unique algorithms, mechanical components, or control systems.

Analyzing the Claims of Patent 4,828,838

Independent Claims

Independent claims in Patent 4,828,838 would define the core aspects of the invention. For example, an independent claim might describe the overall method of controlling the robot arm, including the use of sensors, actuators, and a control system.

Dependent Claims

Dependent claims build upon the independent claims, providing additional details or specific embodiments of the invention. These claims might include variations in the control algorithms, different types of sensors, or alternative mechanical configurations.

Patent Landscape: Relevant Prior Art and Citations

Understanding the patent landscape involves examining prior art and citations related to the patent.

Prior Art

Prior art includes all existing knowledge and inventions that predate the patent application. For Patent 4,828,838, prior art would include other patents, publications, and known methods for controlling robot arms. The Common Citation Document (CCD) application can be useful in consolidating prior art cited by multiple patent offices[1].

Citations

Citations within the patent document indicate the sources of prior art that were considered during the examination process. Analyzing these citations can provide insights into the novelty and non-obviousness of the invention.

International Patent Considerations

Patents are territorial, meaning they are enforceable only within the jurisdiction where they are granted. However, international patent offices often share information and coordinate efforts.

Global Dossier

The Global Dossier service allows users to access the file histories of related applications from participating IP Offices, including the IP5 Offices (USPTO, EPO, JPO, KIPO, and CNIPA). This can be useful for understanding how the same invention is treated in different jurisdictions[1].

Searchable Databases

Various international patent offices provide searchable databases, such as the European Patent Office's esp@cenet and the World Intellectual Property Organization's PATENTSCOPE. These resources can help in identifying similar patents or prior art globally[1].

Determining Inventorship

Correctly determining inventorship is paramount for the validity and enforceability of a patent.

True and Only Inventors

U.S. patent law requires that only the true and only inventors be listed on the patent application. This involves identifying who conceived the idea and reduced it to practice[2].

Consequences of Incorrect Inventorship

Incorrect inventorship can lead to the patent being invalid or unenforceable. Even if the correct inventorship can be established later, deceptive intent in naming inventors can render the patent unenforceable[2].

Tools and Resources for Patent Analysis

Several tools and resources are available to aid in the analysis of patents.

Patent Public Search

The USPTO's Patent Public Search tool provides enhanced access to prior art and allows for more flexible and powerful searches compared to legacy tools like PatFT and AppFT[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 thorough patent analysis[1].

Patent Examination Data System (PEDS)

The PEDS allows public users to search, view, and download bibliographic data for all publicly available patent applications, facilitating detailed analysis[1].

Key Takeaways

  • Patent Scope and Claims: The scope of a patent is defined by its claims, which must be clear and specific to ensure enforceability.
  • Inventorship: Correctly identifying the true and only inventors is crucial for the validity of the patent.
  • Prior Art and Citations: Understanding prior art and citations helps in assessing the novelty and non-obviousness of the invention.
  • International Considerations: Global Dossier and international patent databases are essential for a comprehensive patent landscape analysis.
  • Tools and Resources: Utilizing tools like Patent Public Search, PTRCs, and PEDS can enhance the accuracy and thoroughness of patent analysis.

FAQs

Q: How do I determine the scope of a patent?

A: The scope of a patent is determined by the claims section, which outlines what is considered novel and non-obvious about the invention.

Q: What are the consequences of incorrect inventorship on a patent?

A: Incorrect inventorship can lead to the patent being invalid or unenforceable, especially if there is deceptive intent.

Q: How can I search for prior art related to a specific patent?

A: You can use tools like the USPTO's Patent Public Search, Global Dossier, and international patent databases to search for prior art.

Q: What is the importance of the Common Citation Document (CCD) in patent analysis?

A: The CCD consolidates prior art cited by multiple patent offices, enabling a single-point access to up-to-date citation data.

Q: Where can I find detailed information on claims from U.S. patents?

A: The Patent Claims Research Dataset provided by the USPTO contains detailed information on claims from U.S. patents granted between 1976 and 2014[3].

Sources

  1. USPTO - Search for patents: https://www.uspto.gov/patents/search
  2. Determining Inventorship for US Patent Applications: https://agsci.oregonstate.edu/sites/agsci/files/main/research/vrc_release_inventorship-gattari.pdf
  3. Patent Claims Research Dataset - USPTO: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
  4. U.S. Patent and Trademark Office | U.S. Department of Commerce: https://www.commerce.gov/bureaus-and-offices/uspto
  5. U.S. Patent and Trademark Office (USPTO) | USAGov: https://www.usa.gov/agencies/u-s-patent-and-trademark-office

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Drugs Protected by US Patent 4,828,838

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Patented / Exclusive UseSubmissiondate
No data available in table
>Applicant>Tradename>Generic Name>Dosage>NDA>Approval Date>TE>Type>RLD>RS>Patent No.>Patent Expiration>Product>Substance>Delist Req.>Patented / Exclusive Use>Submissiondate
Showing 0 to 0 of 0 entries

International Family Members for US Patent 4,828,838

CountryPatent NumberEstimated ExpirationSupplementary Protection CertificateSPC CountrySPC Expiration
African Regional IP Organization (ARIPO) 11 ⤷  Try for Free
African Regional IP Organization (ARIPO) 8600027 ⤷  Try for Free
African Regional IP Organization (ARIPO) 8600044 ⤷  Try for Free
African Regional IP Organization (ARIPO) 90 ⤷  Try for Free
Austria 113603 ⤷  Try for Free
Austria 135011 ⤷  Try for Free
Austria 190064 ⤷  Try for Free
>Country>Patent Number>Estimated Expiration>Supplementary Protection Certificate>SPC Country>SPC Expiration
Showing 1 to 7 of 7 entries

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