United States Patent 6,960,346 B2: A Detailed Analysis of Scope and Claims
Introduction
The United States Patent 6,960,346 B2, titled "Vehicles for delivery of biologically active substances," is a significant patent in the field of pharmaceuticals and drug delivery systems. This patent, granted on November 1, 2005, outlines innovative methods and compositions for the controlled delivery of biologically active substances.
Background and Context
The patent is part of a broader landscape of research and development in drug delivery systems. The need for efficient and controlled delivery mechanisms has driven innovation in this field, with numerous patents and research papers focusing on various aspects of drug delivery[4].
Inventors and Assignees
The patent was invented by a team of researchers and assigned to Boston Scientific Scimed, Inc., a company known for its advancements in medical devices and pharmaceutical delivery systems[4].
Claims Overview
The patent includes a series of claims that define the scope of the invention. Here are the key types of claims:
Independent Claims
These claims stand alone and define the core aspects of the invention. For example, Claim 1 describes a vehicle for delivering biologically active substances, comprising a polymer-based aqueous gel or a polymer-based water immiscible gel[4].
Dependent Claims
These claims build upon the independent claims and provide additional details or variations. For instance, dependent claims might specify particular types of polymers, biologically active substances, or methods of preparation.
Detailed Description of Preferred Embodiments
The patent provides a detailed description of the preferred embodiments, including:
Compositions
The patent describes various compositions used for the delivery of biologically active substances. These include fixed vegetable oils, polymer-based aqueous gels, and polymer-based water immiscible gels. The compositions are designed to provide controlled release profiles, ensuring the biologically active substances are delivered effectively over a specified period[4].
Methods of Preparation
The methods for preparing these compositions are also outlined. This includes the use of specific polymers, solvents, and techniques to ensure the stability and efficacy of the delivery vehicle.
Examples
The patent includes several examples that illustrate the preparation and use of these delivery vehicles. These examples help in understanding the practical application of the invention and its potential benefits.
Prior Art and References
The patent cites several prior art references that highlight the existing state of the art in drug delivery systems. These references include earlier patents and publications that have contributed to the development of the current invention[4].
Patent Scope and Landscape
Patent Scope
The scope of the patent is defined by its claims, which delineate what is considered novel and non-obvious. The patent scope includes the specific compositions, methods of preparation, and applications of the delivery vehicles.
Patent Landscape
The patent landscape in the field of drug delivery systems is highly competitive and dynamic. numerous patents have been filed and granted over the years, each contributing to the advancement of drug delivery technologies. The Patent Claims Research Dataset by the USPTO provides insights into the trends and scope of patent claims in this field[3].
Economic and Legal Implications
Economic Impact
Patents like 6,960,346 B2 have significant economic implications. They protect the intellectual property of the inventors and assignees, allowing them to commercialize their inventions and recoup their investment in research and development.
Legal Considerations
The legal status of the patent is crucial. As of the current date, the patent has expired, which means that the protected inventions are now in the public domain. This expiration can lead to increased competition and innovation as other companies can now use the disclosed technology without infringing on the patent[4].
Case Law and Litigation
While the specific patent 6,960,346 B2 may not be directly involved in recent litigation, the broader context of patent litigation in the pharmaceutical industry is complex. Cases like Allergan USA, Inc. v. MSN Laboratories Private Ltd. highlight the challenges and disputes that can arise over patent validity and infringement[5].
Industry Expert Insights
Industry experts often emphasize the importance of patents in driving innovation. For example, Dr. Alan Marco, an economist with the USPTO, has discussed the role of patent claims in defining the scope of inventions and their impact on the patent landscape[3].
Statistics and Trends
The number of patent applications and grants in the pharmaceutical and drug delivery sector is substantial. Over 300,000 U.S. utility patent applications are filed each year, with roughly 200,000 patents being issued annually. This high volume indicates the vibrant and competitive nature of the industry[2].
International Context
While there is no such thing as an "international patent," patents filed in the U.S. can have global implications. Companies often file for patents in multiple jurisdictions to protect their intellectual property worldwide[2].
Key Takeaways
- Innovation in Drug Delivery: The patent highlights significant innovations in drug delivery systems, particularly in the use of polymer-based gels.
- Economic and Legal Impact: Patents protect intellectual property and have substantial economic and legal implications.
- Competitive Landscape: The patent landscape in drug delivery is highly competitive, with numerous patents and ongoing research.
- Expiration and Public Domain: The expiration of the patent means the technology is now publicly available, potentially leading to further innovation.
- Global Implications: While filed in the U.S., the impact of such patents can be global.
Frequently Asked Questions
Q: What is the main focus of United States Patent 6,960,346 B2?
A: The main focus is on vehicles for the controlled delivery of biologically active substances, including polymer-based aqueous and water immiscible gels.
Q: Who are the inventors and assignees of this patent?
A: The inventors are part of a research team, and the patent is assigned to Boston Scientific Scimed, Inc.
Q: What is the current legal status of this patent?
A: The patent has expired, meaning the protected inventions are now in the public domain.
Q: How does this patent fit into the broader patent landscape in drug delivery?
A: It is part of a highly competitive and dynamic field with numerous patents and ongoing research aimed at improving drug delivery systems.
Q: What are the economic implications of this patent?
A: The patent protects intellectual property, allowing the assignees to commercialize the invention and recoup their investment in research and development.
Cited Sources
- United States Patent and Trademark Office. US11278648B2 - Use of nanocrystals for drug delivery from a balloon.
- University of Michigan. FAQ: Intellectual Property/Patents/Tech Transfer.
- United States Patent and Trademark Office. Patent Claims Research Dataset.
- Google Patents. US6960346B2 - Vehicles for delivery of biologically active substances.
- United States Court of Appeals for the Federal Circuit. ALLERGAN USA, INC. v. MSN LABORATORIES PRIVATE LTD.
