Wednesday, July 8, 2026

Patent intelligence · US

US 9427578

Pharmacokinetics of iontophoretic sumatriptan administration

granted A61KA61K31/4045A61K9/0009A61K9/7023
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 10
Applicant portfolio 454
Patent details — US 9427578
Jurisdiction
US
Status
granted
Grant date
Aug 30, 2016
Expiration
Aug 25, 2036
Claims
13
CPC classes
A61K, A61K31/4045, A61K9/0009, A61K9/7023
View on Google Patents ↗

Quick answer

US 9427578 (Pharmacokinetics of iontophoretic sumatriptan administration) is held by TEVA PHARMACEUTICALS INTERNATIONAL GMBH. Status: granted. Granted Aug 30, 2016. Expires Aug 25, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/4045, A61K9/0009, A61K9/7023, A61P, A61P1/08

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Frequently asked questions

What is US patent 9427578?

US 9427578 (Pharmacokinetics of iontophoretic sumatriptan administration) is held by TEVA PHARMACEUTICALS INTERNATIONAL GMBH. Status: granted. Granted Aug 30, 2016. Expires Aug 25, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9427578?

TEVA PHARMACEUTICALS INTERNATIONAL GMBH is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 454 pharmaceutical patents for this assignee.

When does US 9427578 expire?

Our index shows an expiration date of Aug 25, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.