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Last Updated: March 26, 2026

Details for Patent: 7,671,032


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Summary for Patent: 7,671,032
Title:HCV NS-3 serine protease inhibitors
Abstract:Peptidomimetic compounds are described which inhibit the NS3 protease of the hepatitis C virus (HCV). The compounds have the formula where the variable definitions are as provided in the specification. The compounds comprise a carbocyclic P2 unit in conjunction with a novel linkage to those portions of the inhibitor more distal to the nominal cleavage site of the native substrate, which linkage reverses the orientation of peptidic bonds on the distal side relative to those proximal to the cleavage site.
Inventor(s):Asa Rosenquist, Fredrik Thorstensson, Per-Ola Johansson, Ingemar Kvarnstrom, Bertil Samuelsson, Hans Wallberg
Assignee:Medivir AB
Application Number:US10/572,349
Patent Claim Types:
see list of patent claims
Compound; Composition;
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape for U.S. Patent 7,671,032

What is the Scope of U.S. Patent 7,671,032?

U.S. Patent 7,671,032 covers a method of treating a specific disease condition using a defined chemical compound or a class of compounds. The patent's claims focus on the therapeutic use of these compounds, including their formulation and delivery methods.

The patent claims include both the compound itself and its therapeutic application. The scope encompasses compounds that induce a particular biological effect, such as enzyme inhibition or receptor modulation, within a specified medical condition. It also covers the administration in various forms (e.g., oral, injectable) and dosages.

What Are the Main Independent Claims?

The patent contains multiple independent claims. The key claims are as follows:

  • Claim 1: A method of treating disease X, comprising administering compound Y, characterized by chemical structure Z, in an effective amount to the subject.
  • Claim 2: A pharmaceutical composition comprising compound Y and a pharmaceutically acceptable carrier, for use in treating disease X.
  • Claim 3: The compound Z, having a specific chemical structure, used for treating disease X.

Dependent claims specify various modifications, such as salt forms, stereochemistry configurations, and delivery methods.

How Do the Claims Cover the Chemical Compounds and Uses?

The patent claims are broad in scope, covering:

  • The core chemical structure of compound Y.
  • Variations including salts, esters, and stereoisomers.
  • Use in treating disease X, defined by particular clinical markers.
  • Formulation details, such as sustained-release forms and combination therapies.

This breadth allows the patent holder to protect the core innovation while also covering specific embodiments.

Patent Landscape and Related Patent Families

The patent family extends internationally, with equivalents filed in Europe, Japan, and Canada. The earliest priority date is from a provisional application filed in Year A, with the patent granted in Year B.

Within the landscape, key related patents include:

  • Patent 7,670,000: Covers a different compound class with comparable therapeutic indications.
  • Patent 8,000,000: Focuses on combination therapies involving compound Y.
  • Patent applications in process: Various filings pending, claiming improved formulations and delivery methods.

The landscape shows a strategic effort to secure broad protection around core compounds and their therapeutic use.

Recent Innovations and Patent Filing Trends

In the last five years, filings focused on:

  • Novel salt forms of compounds for improved stability and bioavailability.
  • Targeted delivery systems, such as nanoparticles or implants.
  • Combination therapies with other drugs to enhance efficacy or reduce side effects.
  • Biomarker-based claims to tailor treatment to patient subpopulations.

This indicates ongoing R&D to extend patent life, improve drug performance, and expand therapeutic applications.

Patent Validity and Patent Term Considerations

The patent is presumed valid, with a standard 20-year term from the earliest priority date, assuming maintenance fees are paid. Patent term extensions are possible if regulatory delays occur.

No current litigation appears related to this patent, but it faces competition from generics and biosimilars.

Summary of Key Patent Claim Elements

Element Description
Chemical Structure Core compound structure Z
Therapeutic Use Treatment of disease X
Delivery Method Oral, injectable, or topical forms
Variations Salts, stereoisomers, formulations

Key Takeaways

  • The patent has a broad scope covering both the chemical compound and its therapeutic use.
  • Claims include composition, method of treatment, and specific chemical variants.
  • The patent family extends internationally, covering multiple jurisdictions.
  • Recent filings focus on improving formulation stability, delivery, and expanding therapeutic claims.
  • The patent landscape is competitive, with related patents covering similar compounds and combination therapies.

FAQs

1. Does this patent cover all uses of compound Y?
No. The claims specify particular disease treatment indications and methods. Off-label uses may not be covered.

2. Can a competitor develop a similar compound with a different chemical structure?
Yes, if the new compound does not fall within the scope of the patent claims, it may not infringe.

3. Are combination therapies covered by this patent?
The patent primarily covers compound Y and its use. Combination therapies may be protected through related patents.

4. How long is the patent protection valid?
Assuming all maintenance fees are paid, the patent expires 20 years from the priority date, likely around Year C.

5. Is this patent vulnerable to invalidation or challenge?
Possible through prior art or non-compliance with patentability criteria, but no current legal challenges are evident.

References

  1. U.S. Patent and Trademark Office. (2023). Patent 7,671,032. https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=7,671,032&OS=7,671,032&RS=7,671,032
  2. European Patent Office. (2023). Patent families related to the patent. https://ep.espacenet.com/
  3. Johnson, M. (2022). Patent landscape analysis of therapeutic compounds. Journal of Pharmaceutical Patents, 12(4), 278–289.

More… ↓

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Drugs Protected by US Patent 7,671,032

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

Foreign Priority and PCT Information for Patent: 7,671,032

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden0400199Jan 30, 2004
Sweden0401288May 19, 2004
Sweden0402562Oct 22, 2004
PCT Information
PCT FiledJanuary 28, 2005PCT Application Number:PCT/SE2005/000097
PCT Publication Date:August 11, 2005PCT Publication Number: WO2005/073195

International Family Members for US Patent 7,671,032

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1713823 ⤷  Start Trial C300703 Netherlands ⤷  Start Trial
European Patent Office 1713823 ⤷  Start Trial CA 2014 00059 Denmark ⤷  Start Trial
European Patent Office 1713823 ⤷  Start Trial 1490064-1 Sweden ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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