Wednesday, July 8, 2026

Patent intelligence · US

US 6566093

Alphavirus cDNA vectors

expired A61KA61K38/00A61K48/00A61P
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 10
Patent details — US 6566093
Jurisdiction
US
Status
expired
Grant date
May 20, 2003
Expiration
May 15, 2023
Applicant
Bioption AB
Claims
27
CPC classes
A61K, A61K38/00, A61K48/00, A61P
View on Google Patents ↗

Quick answer

US 6566093 (Alphavirus cDNA vectors) is held by Bioption AB. Status: expired. Granted May 20, 2003. Expires May 15, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Bioption AB
Grant date
Expiration
Claims
27
CPC classes
A61K, A61K38/00, A61K48/00, A61P, A61P3/00, A61P31/12

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Frequently asked questions

What is US patent 6566093?

US 6566093 (Alphavirus cDNA vectors) is held by Bioption AB. Status: expired. Granted May 20, 2003. Expires May 15, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6566093?

Bioption AB is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 10 pharmaceutical patents for this assignee.

When does US 6566093 expire?

Our index shows an expiration date of May 15, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.