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Last Updated: December 22, 2024

Details for Patent: 6,335,369


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Summary for Patent: 6,335,369
Title: Treating chronic uremic patients undergoing periodical dialysis
Abstract:Chronic uremic patients undergoing periodical dialysis are treated with carnitine or one of its salts to prevent or treat carnitine deficiency in patients with end stage renal disease. An effective dose of carnitine, preferably L-carnitine fumarate, is administered preferably intravenously into the venous return line after each dialysis session.
Inventor(s): Cavazza; Claudio (Rome, IT)
Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A. (Rome, IT)
Application Number:09/761,639
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 6,335,369

Introduction

United States Patent 6,335,369 B1 is a patent that has been involved in various legal and industrial discussions, particularly in the context of pharmaceuticals and medical treatments. To understand the significance and implications of this patent, it is crucial to delve into its scope, claims, and the broader patent landscape.

Background of the Patent

The patent in question, US 6,335,369 B1, is associated with American Regent, a company that has been involved in patent infringement cases related to this patent[4].

Scope of the Patent

The scope of a patent is defined by its claims, which outline the specific inventions or innovations that the patent protects. Here are some key aspects to consider:

Independent Claims

Independent claims are the core of a patent and define the invention without reference to other claims. The scope of these claims is critical because they set the boundaries of what is protected by the patent. For US 6,335,369 B1, the independent claims would typically involve specific formulations, methods of use, or unique compositions related to the subject matter of the patent.

Dependent Claims

Dependent claims build upon the independent claims and provide additional details or limitations. These claims help to narrow down the scope and often provide a clearer picture of the invention's specific applications or variations.

Claims Analysis

To analyze the claims of US 6,335,369 B1, one must consider the following:

Claim Length and Count

Research has shown that the length and count of independent claims can significantly impact the patent's scope and validity. Narrower claims with fewer words and fewer independent claims tend to have a higher probability of grant and a shorter examination process[3].

Claim Clarity

Claim clarity is another critical factor. Clear and specific claims reduce the risk of litigation and ensure that the patent's boundaries are well-defined. Unclear or overly broad claims can lead to disputes and challenges to the patent's validity.

Patent Landscape

The patent landscape surrounding US 6,335,369 B1 involves several key elements:

Related Patents

Other patents in the same field can influence the scope and validity of US 6,335,369 B1. For instance, patents related to carnitine and its derivatives, such as US 6696493 B2 and US 6696492, may intersect or conflict with the claims of this patent[2][5].

Litigation History

The patent has been involved in litigation, specifically in cases alleging willful infringement. This history can provide insights into how the claims have been interpreted and challenged in court[4].

Industry Impact

The impact of the patent on the pharmaceutical industry is significant. Patents like US 6,335,369 B1 can influence the development and marketing of related products, affecting competition and innovation in the field.

Therapeutic Applications

Given the context of pharmaceuticals, it is likely that US 6,335,369 B1 relates to therapeutic applications, such as:

Carnitine Deficiency

Carnitine and its derivatives are used to treat carnitine deficiency and other conditions. The patent might cover specific formulations or methods of administration for these treatments[1].

Metabolic Disorders

The patent could also involve treatments for metabolic disorders, such as diabetic and/or dysmetabolic nephropathy, as seen in related patents[5].

Regulatory and Legal Considerations

The regulatory and legal environment surrounding the patent is crucial:

Patent Office Actions

The interactions between the patent holder and the US Patent and Trademark Office (USPTO) during the examination process can provide insights into the patent's scope and validity. Narrower claims often result from this process[3].

Litigation and Infringement

Litigation history and infringement cases can highlight how the patent's claims have been interpreted and enforced. This can include willful infringement allegations and the outcomes of such cases[4].

Economic and Innovation Impact

The economic and innovation impact of US 6,335,369 B1 is significant:

Licensing and Litigation Costs

Broad or unclear claims can increase licensing and litigation costs, potentially stifling innovation. Clear and well-defined claims, on the other hand, can foster a more predictable and stable environment for innovation[3].

Market Competition

The patent can influence market competition by protecting specific innovations and preventing others from using similar methods or compositions. This can both encourage innovation by providing exclusive rights and limit competition by restricting access to certain technologies.

Conclusion

Understanding the scope and claims of US 6,335,369 B1 requires a detailed analysis of its independent and dependent claims, the broader patent landscape, and its therapeutic applications. The clarity and specificity of the claims, along with the patent's litigation history and regulatory interactions, are crucial for determining its validity and impact on the pharmaceutical industry.

Key Takeaways

  • Claims Analysis: Independent and dependent claims define the patent's scope.
  • Patent Landscape: Related patents and litigation history influence the patent's validity.
  • Therapeutic Applications: Likely involves treatments for carnitine deficiency and metabolic disorders.
  • Regulatory and Legal Considerations: Interactions with the USPTO and litigation outcomes are critical.
  • Economic and Innovation Impact: Clear claims can foster innovation, while broad claims can increase costs.

FAQs

  1. What is the primary focus of US 6,335,369 B1?

    • The primary focus is likely related to therapeutic applications, such as treating carnitine deficiency or metabolic disorders.
  2. How do independent claims affect the patent's scope?

    • Independent claims define the core of the invention and set the boundaries of what is protected by the patent.
  3. What is the impact of claim clarity on patent validity?

    • Clear claims reduce the risk of litigation and ensure the patent's boundaries are well-defined, enhancing its validity.
  4. How does the patent landscape influence US 6,335,369 B1?

    • Related patents and litigation history can intersect or conflict with the claims, affecting the patent's scope and validity.
  5. What are the economic implications of broad or unclear claims?

    • Broad or unclear claims can increase licensing and litigation costs, potentially stifling innovation.

Sources

  1. DrugBank - Levocarnitine

  2. Google Patents - US6696493B2

  3. Hoover Institution - Patent Claims and Patent Scope

  4. Dentons - Kirk R. Ruthenberg

  5. Justia Patents - US Patent for Use of L carnitine and its alkanoyl derivatives

More… ↓

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Drugs Protected by US Patent 6,335,369

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 6,335,369

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 3050201 ⤷  Subscribe
Canada 2381187 ⤷  Subscribe
European Patent Office 1257266 ⤷  Subscribe
World Intellectual Property Organization (WIPO) 0152836 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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