Wednesday, July 8, 2026

Patent intelligence · US

US 8303985

Skin treatment compositions containing copper-pigment complexes

granted A61KA61K2800/58A61K31/30A61K33/34
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 6
Applicant portfolio 706
Patent details — US 8303985
Jurisdiction
US
Status
granted
Grant date
Nov 6, 2012
Expiration
Nov 1, 2032
Applicant
Discovery Limited
Claims
6
CPC classes
A61K, A61K2800/58, A61K31/30, A61K33/34
View on Google Patents ↗

Quick answer

US 8303985 (Skin treatment compositions containing copper-pigment complexes) is held by Discovery Limited. Status: granted. Granted Nov 6, 2012. Expires Nov 1, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Discovery Limited
Grant date
Expiration
Claims
6
CPC classes
A61K, A61K2800/58, A61K31/30, A61K33/34, A61K8/19, A61K8/494

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Frequently asked questions

What is US patent 8303985?

US 8303985 (Skin treatment compositions containing copper-pigment complexes) is held by Discovery Limited. Status: granted. Granted Nov 6, 2012. Expires Nov 1, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8303985?

Discovery Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 706 pharmaceutical patents for this assignee.

When does US 8303985 expire?

Our index shows an expiration date of Nov 1, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.