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Last Updated: December 22, 2024

Details for Patent: 4,849,226


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Summary for Patent: 4,849,226
Title: Method for increasing oxygen supply by administering vasodilator
Abstract:A medical bandage is disclosed comprising a reservoir containing a gelled fluid, rheological agent and a drug. A method of using the bandage for producing a beneficial effect is disclosed also.
Inventor(s): Gale; Robert M. (Mountain View, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:07/132,828
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 4,849,226

Introduction

When analyzing a patent, understanding its scope and claims is crucial for determining its validity, potential infringement, and overall impact on the market. This article will delve into the details of United States Patent 4,849,226, exploring its claims, scope, and the broader patent landscape.

Understanding Patent 4,849,226

Patent Overview

United States Patent 4,849,226, titled "Methods of Using Topical Compositions," was granted to address specific methods and compositions related to topical applications. The patent includes detailed descriptions of the inventions, claims, and references cited.

Claims Analysis

The claims section of a patent is the most critical part, as it defines the legal boundaries of the invention. Here are some key points to consider:

  • Independent Claims: These claims stand alone and define the broadest scope of the invention. For Patent 4,849,226, the independent claims would outline the core methods and compositions.
  • Dependent Claims: These claims are narrower and depend on the independent claims. They often add specific details or limitations to the broader claims.
  • Claim Construction: The language used in the claims is precise and legally binding. Any ambiguity can lead to disputes, so it is essential to interpret the claims carefully[3].

Scope of the Patent

Invention Description

The patent describes the methods of using topical compositions, which includes the formulation, application, and effects of these compositions. Understanding the invention's purpose and how it differs from prior art is vital.

Prior Art

Prior art refers to existing knowledge and inventions in the field before the patent application was filed. The references cited in the patent document provide insight into what was known at the time and how the current invention improves upon or differs from previous work[2].

Patent Landscape

Global Context

To fully understand the impact of Patent 4,849,226, it is necessary to look at the global patent landscape. This involves searching international patent databases to see if similar inventions have been patented abroad.

  • European Patent Office (EPO): Using databases like esp@cenet can help identify similar patents in Europe.
  • Japan Patent Office (JPO): Searching Japanese patents can reveal if similar inventions have been patented in Japan.
  • World Intellectual Property Organization (WIPO): The PATENTSCOPE® Search Service provides access to international patent applications and can help in identifying global prior art[1].

Competitor Analysis

Analyzing patents held by competitors can provide insights into the competitive landscape. Tools like the Derwent Innovations Index, available through Web of Science, offer comprehensive access to over 100 million patent records from various issuing organizations[4].

Search Tools and Resources

USPTO Resources

The United States Patent and Trademark Office (USPTO) provides several resources for patent searching:

  • Patent Public Search: A modern web-based tool that replaced legacy search tools, offering enhanced access to prior art.
  • Global Dossier: A service that provides access to file histories of related applications from participating IP Offices.
  • Patent and Trademark Resource Centers (PTRCs): Local centers that offer training and resources for patent searching[1].

International Databases

Searching international databases is crucial for a comprehensive analysis:

  • European Patent Office (EPO) - esp@cenet: Provides access to Europe's patent databases and machine translations.
  • Japan Patent Office (JPO): Offers access to Japanese patents and machine translations.
  • World Intellectual Property Organization (WIPO) - PATENTSCOPE®: Allows full-text search of international patent applications and provides machine translations for some documents[1].

Statistical Analysis

Patent Claims Research Dataset

The USPTO's Patent Claims Research Dataset can provide valuable statistical insights into patent claims and scope. This dataset includes detailed information on claims from US patents granted between 1976 and 2014 and US patent applications published between 2001 and 2014. It can help in understanding trends and measurements of patent scope[3].

Expert Insights

Quotes and Analysis

Industry experts often provide valuable insights into the significance and impact of patents:

"The scope of a patent is defined by its claims, and understanding these claims is crucial for determining the patent's validity and potential infringement," said Alan C. Marco, an economist at the USPTO[3].

Case Studies and Examples

Real-World Applications

Looking at real-world applications of similar patents can provide practical insights:

  • Transparent Transdermal Nicotine Delivery Device: For example, US Patent 9,205,059 describes a transparent transdermal nicotine delivery device. Analyzing such patents can help in understanding how similar inventions are developed and patented[5].

Challenges and Limitations

Ambiguity in Claims

One of the significant challenges in patent analysis is the ambiguity in claims. This can lead to legal disputes and requires careful interpretation.

International Harmonization

The global patent system is complex, and harmonization efforts, such as the Common Citation Document (CCD) application, aim to consolidate citation data from various offices. However, this process is ongoing and faces several challenges[1].

Future Trends

Technological Advancements

Technological advancements are continually changing the patent landscape. For instance, the use of machine learning and AI in patent searching and analysis is becoming more prevalent.

Global Cooperation

Global cooperation among intellectual property offices is increasing, with initiatives like the Global Dossier and CCD aiming to streamline the patent process across different jurisdictions[1].

Key Takeaways

  • Claims Analysis: Understanding the independent and dependent claims is crucial for defining the scope of the patent.
  • Global Context: Searching international databases is essential for a comprehensive analysis.
  • Statistical Insights: Using datasets like the Patent Claims Research Dataset can provide valuable statistical insights.
  • Expert Insights: Industry experts can offer valuable perspectives on the significance and impact of patents.
  • Real-World Applications: Analyzing real-world applications of similar patents can provide practical insights.

FAQs

Q: What is the importance of claims in a patent? A: The claims in a patent define the legal boundaries of the invention and are crucial for determining the patent's validity and potential infringement.

Q: How can I search for patents internationally? A: You can use databases like esp@cenet from the European Patent Office, the Japan Patent Office, and WIPO's PATENTSCOPE® to search for international patents.

Q: What is the Global Dossier service? A: 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.

Q: How can I access statistical data on patent claims? A: The USPTO's Patent Claims Research Dataset provides detailed information on claims from US patents and applications, offering statistical insights into patent scope.

Q: Why is international harmonization important in the patent system? A: International harmonization helps in streamlining the patent process across different jurisdictions, making it easier to manage and analyze patents globally.

Sources

  1. USPTO - Search for patents: https://www.uspto.gov/patents/search
  2. NC State Repository - United States Patent : https://repository.lib.ncsu.edu/server/api/core/bitstreams/4139b6a6-0210-4d3a-b5fc-20148b6c9c24/content
  3. USPTO - Patent Claims Research Dataset: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
  4. Duke University Libraries - Finding Patents Online: https://guides.library.duke.edu/c.php?g=289276&p=1929213
  5. Google Patents - US9205059B2: https://patents.google.com/patent/US9205059B2/en

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Drugs Protected by US Patent 4,849,226

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 4,849,226

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 229476 ⤷  Subscribe
Austria 395815 ⤷  Subscribe
Austria A84882 ⤷  Subscribe
Australia 545402 ⤷  Subscribe
Australia 7921282 ⤷  Subscribe
Belgium 893394 ⤷  Subscribe
Canada 1164749 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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