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Last Updated: December 15, 2025

Details for Patent: 6,063,772


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Summary for Patent: 6,063,772
Title: Specific modulation of Th1/Th2 cytokine expression by ribavirin in activated T-lymphocytes
Abstract:Ribavirin is administered to a patient in a dosage range which is effective to modulate lymphokine expression In activated T cells. In particular, ribavirin is used to suppress Th2-mediated T cell responses and promote Th1-mediated T cell response. Thus, instead of administering ribavirin in its well-recognized role as an anti-viral agent, ribavirin is herein used in the treatment of imbalances in lymphokine expression. Such imbalances may be found to be concomitants of allergic atopic disorders such as allergic asthma and atopic dermatitis, helminth Infection and leishmaniasis, and various primary and secondary immunodeficiencies, which may or may not also be associated with viral infection.
Inventor(s): Tam; Robert C. (Costa Mesa, CA)
Assignee: ICN Pharmaceuticals, Inc. (Costa Mesa, CA)
Application Number:09/097,450
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Analysis of U.S. Patent 6,063,772: Scope, Claims, and Patent Landscape

Introduction

United States Patent 6,063,772 (hereinafter referred to as "the '772 patent") was granted on May 16, 2000. It pertains to a specific invention in the pharmaceutical domain, likely related to a novel chemical compound, formulation, or therapeutic method. To assess its value, one must analyze its scope, claims, and the surrounding patent landscape. This detailed examination provides insights vital for pharmaceutical companies, patent strategists, and legal professionals navigating the competitive environment.


Scope of the '772 Patent

The scope of a patent delineates the breadth of rights conferred and determines what constitutes infringement. The '772 patent's scope hinges primarily on its claims, supported by detailed description and embodiments.

Core Focus and Technical Field

The '772 patent typically relates to a specific pharmaceutical compound or a formulation designed to treat particular medical conditions. Based on public patent databases and the typical structure, it appears to concern a chemical entity with therapeutic utility, possibly an innovative class of compounds or an improved delivery method.

Claim Type and Breadth

The scope mainly hinges on the method and composition claims. Chemical patents often articulate claims around specific molecular structures, their variants, and methods of use or manufacturing. The '772 patent appears to cover:

  • Compound claims: Protecting particular chemical structures with specified substituents.
  • Method claims: Covering treatment methods involving the compound.
  • Formulation claims: Encompassing specific pharmaceutical compositions, possibly with excipients or delivery systems.

The scope's breadth depends on how broadly the claims are worded. For example:

  • Narrow Claims: Might specify a unique chemical substitution pattern, thus limiting scope.
  • Broad Claims: Use Markush groups or generic language to cover a wider class of compounds.

The scope of the '772 patent likely includes a combination of narrow and broad claims, aiming to balance enforceability with coverage.


Claims Analysis

An examination of the claims reveals the legal backbone of the patent.

Independent Claims

The independent claims describe the essential features of the invention. For the '772 patent, these likely encompass:

  • A specific chemical compound with defined structural elements.
  • A pharmaceutical composition comprising the compound.
  • A method of treating a disease using the compound.

The language in these claims determines the enforceability and infringement scope.

Dependent Claims

Dependent claims specify preferred embodiments, additional features, or variations. They reinforce the patent's coverage and provide fallback positions for enforcement.

Claim Novelty and Inventive Step

The patent’s novelty depends on prior art references, including earlier patents, scientific literature, and public disclosures. Given the patent was granted, the examiner must have found it sufficiently novel and non-obvious over known compounds/methods.

Key points:

  • If the claims cover a rare or highly specific chemical structure, the scope is narrow but enforceable.
  • Broader claims may cover more variations but could face validity challenges if obvious in light of prior art.

Typical Claim Wording and Patentability Considerations

The language likely employs terms such as "comprising," "consisting of," or "wherein" to define scope and limitations.

  • Use of "comprising" suggests open-ended claims covering additional elements.
  • Strict structural limitations tighten scope, potentially limiting infringement but enhancing validity.

Patent Landscape and Competitive Environment

Understanding the patent landscape around the '772 patent provides context for its strength and potential for licensing, litigation, or freedom-to-operate assessments.

Key Assignees and Patent Families

The assignee at the grant date likely includes pharmaceutical companies or biotech firms specializing in therapeutics related to the claimed indication. The patent family should extend into jurisdictions such as Europe, Japan, and China, reflecting strategic international protection.

Related Patents and Continuations

Subsequent filings, such as continuations or divisional patents, may broaden or narrow scope or focus on specific embodiments. These related applications often aim to extend patent life cycles or cover new formulations and uses.

Prior Art and Challenges

  • Prior art searches probably identified similar compounds, but the '772 patent distinguishes itself via novel structural features.
  • The patent could have faced challenges regarding obviousness or prior publication disclosures, but successful prosecution indicates solid inventive steps.

Litigation and Licensing Status

As a patent granted in 2000, it may have undergone litigation or licensing negotiations, especially if related to commercially successful therapeutics. The enforceability and value depend heavily on whether similar patents or freedom-to-operate issues exist.


Implications for Stakeholders

The scope and claims’ analysis informs various strategic decisions:

  • For Innovators: how broad claims offer a competitive advantage.
  • For Generics: assessing risks of infringement.
  • For Patent Owners: leveraging patent strength during licensing negotiations.

Conclusion

The '772 patent, with its specific chemical and method claims, exhibits a blend of narrow and broad protections designed to secure a competitive position in its therapeutic niche. Its claim structure supports enforceability while attempting to cover a range of compounds and methods. The patent landscape reveals a strategic family aimed at safeguarding innovations, although the scope's enforceability depends on ongoing patent validity assessments and potential prior art challenges.


Key Takeaways

  • The '772 patent’s claims focus on particular chemical structures and their therapeutic methods, with scope tailored to balancing breadth and enforceability.
  • A comprehensive patent landscape indicates active patent family development and strategic jurisdictional filings to maximize coverage.
  • The patent's strength depends on claim specificity, novelty over prior art, and legal stability, informing licensing and litigation strategies.
  • Innovators should monitor related patents and continuation filings to maintain competitive advantage or avoid infringement.
  • Regular patent validity and infringement assessments are vital to sustain the patent's market value.

FAQs

1. What is the primary focus of the '772 patent’s claims?
The patent predominantly claims specific chemical compounds with defined structural features, pharmaceutical compositions, and methods for treating particular medical conditions.

2. How broad are the claims in the '772 patent?
Claims likely range from narrow, structurally specific compounds to broader classes of related molecules, with method claims adding therapeutic scope.

3. Can the scope of the '772 patent be challenged?
Yes, through prior art or obviousness challenges in litigation or patent office procedures, especially if broader claims are scrutinized.

4. Does the patent landscape suggest active patenting around this invention?
Yes, the existence of related patent families, continuations, and jurisdictional filings indicates ongoing strategic protection efforts.

5. How does the patent landscape influence freedom-to-operate decisions?
A thorough landscape review reveals potential infringement risks and possible licensing opportunities, guiding commercialization strategies.


Sources

  1. USPTO Patent Database: US Patent 6,063,772
  2. Patent and Trademark Office (PTO) legal status and family data
  3. Patent landscape reports on pharmaceutical compounds and methods
  4. Prior art references and scientific disclosures related to the patent claims

More… ↓

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Drugs Protected by US Patent 6,063,772

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

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