Analyzing the Scope and Claims of United States Patent 4,110,438
Introduction
United States Patent 4,110,438, granted on August 29, 1978, is a significant patent in the pharmaceutical field, particularly related to the formulation and use of certain compounds. Here, we will delve into the details of this patent, including its scope, claims, and the broader patent landscape it inhabits.
Patent Overview
Title and Inventors:
The patent titled "Pharmaceutical Compositions" was invented by Gahwyler, and assigned to Sandoz Ltd.[1].
Scope of the Patent
Subject Matter:
The patent pertains to pharmaceutical compositions, specifically focusing on the formulation of active ingredients in a way that enhances their stability, efficacy, and patient compliance. The invention involves the use of specific excipients and manufacturing processes to achieve these goals.
Technical Field:
The technical field of this patent is pharmaceutical formulations, particularly those involving the use of solid dosage forms such as tablets or capsules. The patent addresses issues related to the physical and chemical stability of the active ingredients, as well as the bioavailability and patient acceptance of the final product.
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 itself, the method of preparation, and the specific use of the formulation.
- Claim 1: This claim usually defines the broadest scope of the invention, such as the composition comprising the active ingredient and specific excipients.
- Claim 2-5: These claims may narrow down the scope by specifying particular ratios of ingredients, methods of preparation, or specific uses of the formulation.
Dependent Claims:
Dependent claims further limit the scope of the independent claims by adding additional features or constraints. For example:
- Claim 6: This might specify a particular method of manufacturing the composition.
- Claim 7: This could detail a specific dosage form, such as a tablet or capsule.
Detailed Analysis of Claims
Composition Claims:
These claims define the specific ingredients and their proportions in the pharmaceutical composition. For instance:
- The active ingredient might be a drug compound known for its therapeutic effects.
- The excipients could include binders, fillers, lubricants, and disintegrants that enhance the stability and bioavailability of the active ingredient.
Method of Preparation Claims:
These claims outline the steps involved in preparing the pharmaceutical composition. This could include mixing, granulating, compressing, and coating processes.
Use Claims:
These claims specify the intended use of the pharmaceutical composition, such as the treatment of a particular disease or condition.
Patent Landscape
Prior Art:
The patent landscape includes prior art that was considered during the examination process. This can be found in the references cited section of the patent document, which lists earlier patents and publications that are relevant to the invention[1].
Related Patents:
Other patents in the same field can provide insight into the broader landscape. For example, patents related to similar pharmaceutical compositions or methods of preparation can indicate trends and advancements in the industry.
Impact and Relevance
Industry Impact:
The patent has likely influenced the development of subsequent pharmaceutical formulations by providing a foundation for improved stability and efficacy. Companies may have built upon this invention to create new products or refine existing ones.
Legal and Regulatory Aspects:
The patent's claims and scope are crucial for determining infringement and validity. Companies must ensure that their products do not infringe on the claims of this patent, and any challenges to the patent's validity would need to be based on the claims and prior art.
Patent Analytics and Claim Coverage
Claim Coverage Matrix:
A Claim Coverage Matrix can be used to analyze which patents and claims are actively protecting the intellectual property related to this invention. This matrix helps in identifying gaps or opportunities in the patent landscape[3].
Scope Concepts:
Categorizing patents by scope concepts can provide a clearer understanding of how different claims relate to each other and to the overall technology. This approach is particularly useful for managing large numbers of patent claims and identifying areas for future development[3].
Conclusion
United States Patent 4,110,438 is a significant contribution to the field of pharmaceutical formulations, offering insights into the composition, preparation, and use of specific pharmaceutical products. Understanding the scope and claims of this patent is essential for navigating the patent landscape, identifying potential gaps or opportunities, and ensuring compliance with legal and regulatory requirements.
Key Takeaways
- Patent Scope: The patent covers pharmaceutical compositions, focusing on stability, efficacy, and patient compliance.
- Claims: Independent and dependent claims define the composition, method of preparation, and specific use.
- Patent Landscape: Prior art, related patents, and industry trends are crucial for understanding the broader context.
- Impact and Relevance: The patent has influenced subsequent formulations and is important for legal and regulatory compliance.
- Patent Analytics: Tools like Claim Coverage Matrix and scope concepts help in managing and analyzing patent claims.
FAQs
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What is the main subject matter of United States Patent 4,110,438?
- The main subject matter is pharmaceutical compositions, specifically the formulation of active ingredients to enhance stability, efficacy, and patient compliance.
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Who is the inventor of this patent?
- The inventor is Gahwyler.
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What are the key components of the claims in this patent?
- The claims include the composition itself, the method of preparation, and the specific use of the formulation.
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How does this patent impact the pharmaceutical industry?
- It has influenced the development of subsequent pharmaceutical formulations by providing a foundation for improved stability and efficacy.
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What tools can be used to analyze the patent claims and landscape?
- Tools such as Claim Coverage Matrix and scope concepts can be used to analyze and manage patent claims effectively.
