United States Patent 4,551,148: A Detailed Analysis of Scope, Claims, and Patent Landscape
Introduction
United States Patent 4,551,148, titled "Vaginal Delivery Systems and Their Methods of Preparation and Use," is a significant patent in the field of pharmaceuticals and drug delivery systems. This patent, issued in 1985, pertains to the development and use of vaginal delivery systems, which are crucial for administering medications directly to the vaginal area. Here, we will delve into the scope, claims, and the broader patent landscape surrounding this invention.
Background
The patent was granted to inventors who developed a novel method for delivering therapeutic agents via the vaginal route. This innovation was important for treating various gynecological conditions and improving patient compliance and efficacy.
Scope of the Patent
Overview
The patent covers vaginal delivery systems designed to administer therapeutic agents, such as hormones, antibiotics, and other medications. The system typically includes a bioadhesive component that ensures the delivery device adheres to the vaginal mucosa, enhancing the absorption and retention of the therapeutic agent.
Key Components
- Bioadhesive Component: This is a critical part of the delivery system, ensuring that the device stays in place and facilitates the release of the therapeutic agent over a specified period.
- Therapeutic Agent: The patent encompasses a wide range of therapeutic agents, including hormones, antibiotics, and other medications intended for vaginal administration.
- Delivery Device: The patent describes various forms of delivery devices, such as suppositories, tablets, and gels, designed for easy insertion and effective drug delivery.
Claims of the Patent
Independent Claims
The patent includes several independent claims that define the scope of the invention. These claims typically cover:
- The composition of the vaginal delivery system, including the bioadhesive component and the therapeutic agent.
- The method of preparing the delivery system.
- The method of using the delivery system for therapeutic purposes.
Dependent Claims
Dependent claims further specify the details of the independent claims, such as:
- Specific types of bioadhesive materials used.
- Different forms of the delivery device (e.g., suppositories, tablets).
- Various therapeutic agents and their concentrations.
Patent Landscape
Prior Art and Related Patents
The patent landscape for vaginal delivery systems is extensive and includes several related patents. For example, patents like the Canadian Patent 2617106, which deals with estrogen compositions and therapeutic methods, show the ongoing innovation in this field[4].
International Patent Offices
To understand the global patent landscape, it is essential to search international patent databases. Resources such as the European Patent Office (EPO), Japan Patent Office (JPO), and the World Intellectual Property Organization (WIPO) provide access to international patent applications and granted patents related to vaginal delivery systems[1].
Current Status and Litigation
The current status of U.S. Patent 4,551,148 can be checked through the USPTO's Patent Public Search tool or other patent databases. Any litigation or case alerts related to this patent can be found through legal databases such as Law360[5].
Search Tools and Resources
USPTO Resources
The USPTO offers several tools for searching patents, including the Patent Public Search tool, which replaced legacy search tools like PubEast and PubWest. The Global Dossier service is also useful for accessing file histories of related applications from participating IP Offices[1].
International Databases
Databases like esp@cenet from the EPO, PATENTSCOPE from WIPO, and the Japanese Patent Office's database provide comprehensive access to international patent information. These resources are crucial for conducting a thorough patent search and understanding the global patent landscape[1].
Economic and Research Implications
Patent Claims Research Dataset
The USPTO's Patent Claims Research Dataset provides detailed information on claims from U.S. patents, including those related to pharmaceutical and medical devices. This dataset can be used to analyze trends and scope measurements in patent claims, offering insights into the economic and research implications of patents like 4,551,148[3].
Industry Impact
Pharmaceutical Industry
The development of vaginal delivery systems has significantly impacted the pharmaceutical industry, particularly in the treatment of gynecological conditions. These systems offer improved patient compliance, targeted drug delivery, and enhanced therapeutic efficacy.
Market Dominance
Patents like 4,551,148 play a crucial role in market dominance by protecting innovative technologies and preventing competitors from using similar methods without permission. This protection allows the patent holders to recoup their investment in research and development.
Future Developments
Advances in Drug Delivery
The field of drug delivery is continuously evolving, with advancements in bioadhesive materials, nanotechnology, and personalized medicine. Future patents in this area are likely to focus on more sophisticated delivery systems, improved bioavailability, and targeted therapies.
Regulatory Environment
Changes in regulatory environments, such as updates in patent laws and guidelines from health authorities, can influence the patent landscape. Staying informed about these changes is essential for navigating the complex world of pharmaceutical patents.
Key Takeaways
- Scope and Claims: U.S. Patent 4,551,148 covers vaginal delivery systems with bioadhesive components and various therapeutic agents.
- Patent Landscape: The patent is part of a broader landscape that includes international patents and ongoing innovations in drug delivery systems.
- Search Tools: Utilize USPTO resources and international databases to conduct thorough patent searches.
- Economic Implications: The patent has significant economic and research implications, particularly in the pharmaceutical industry.
- Future Developments: The field is expected to evolve with advancements in technology and regulatory changes.
FAQs
What is the main focus of U.S. Patent 4,551,148?
The main focus of U.S. Patent 4,551,148 is the development and use of vaginal delivery systems for administering therapeutic agents.
How can I search for related patents internationally?
You can use databases such as esp@cenet from the EPO, PATENTSCOPE from WIPO, and the Japanese Patent Office's database to search for related international patents.
What are the key components of the vaginal delivery system described in the patent?
The key components include a bioadhesive component and a therapeutic agent, delivered through various forms such as suppositories, tablets, or gels.
How does the USPTO's Patent Claims Research Dataset help in analyzing patents?
The dataset provides detailed information on claims from U.S. patents, allowing for the analysis of trends and scope measurements in patent claims.
What is the significance of bioadhesive materials in vaginal delivery systems?
Bioadhesive materials ensure that the delivery device adheres to the vaginal mucosa, enhancing the absorption and retention of the therapeutic agent.
Sources
- USPTO - Search for patents - USPTO
- USA.gov - U.S. Patent and Trademark Office (USPTO) | USAGov
- USPTO - Patent Claims Research Dataset - USPTO
- Canadian Patents Database - Patent 2617106 Summary - Canadian Patents Database
- Law360 - U.S. Patent Number 4,551,148 : Cases :: Law360
