Wednesday, July 8, 2026

Patent intelligence · US

US 8557290

Multifunction nanoconjugates for imaging applications and targeted treatment

granted A61KA61K41/0057A61K47/547A61K47/645
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 7
Applicant portfolio 595
Patent details — US 8557290
Jurisdiction
US
Status
granted
Grant date
Oct 15, 2013
Expiration
Oct 10, 2033
Claims
20
CPC classes
A61K, A61K41/0057, A61K47/547, A61K47/645
View on Google Patents ↗

Quick answer

US 8557290 (Multifunction nanoconjugates for imaging applications and targeted treatment) is held by Northwestern University. Status: granted. Granted Oct 15, 2013. Expires Oct 10, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K41/0057, A61K47/547, A61K47/645, A61K47/6923, A61K49/0002

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Frequently asked questions

What is US patent 8557290?

US 8557290 (Multifunction nanoconjugates for imaging applications and targeted treatment) is held by Northwestern University. Status: granted. Granted Oct 15, 2013. Expires Oct 10, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8557290?

Northwestern University is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 595 pharmaceutical patents for this assignee.

When does US 8557290 expire?

Our index shows an expiration date of Oct 10, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.