Saturday, July 11, 2026

Patent intelligence · US

US 9051567

Methods for increasing efficacy of lipid formulated siRNA

granted A61KA61K31/366A61K31/567A61K31/7088
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 9
Applicant portfolio 308
Patent details — US 9051567
Jurisdiction
US
Status
granted
Grant date
Jun 9, 2015
Expiration
Jun 4, 2035
Claims
25
CPC classes
A61K, A61K31/366, A61K31/567, A61K31/7088
View on Google Patents ↗

Quick answer

US 9051567 (Methods for increasing efficacy of lipid formulated siRNA) is held by Tekmira Pharmaceuticals Corporation. Status: granted. Granted Jun 9, 2015. Expires Jun 4, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
25
CPC classes
A61K, A61K31/366, A61K31/567, A61K31/7088, A61K9/127, A61P

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Frequently asked questions

What is US patent 9051567?

US 9051567 (Methods for increasing efficacy of lipid formulated siRNA) is held by Tekmira Pharmaceuticals Corporation. Status: granted. Granted Jun 9, 2015. Expires Jun 4, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9051567?

Tekmira Pharmaceuticals Corporation is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 308 pharmaceutical patents for this assignee.

When does US 9051567 expire?

Our index shows an expiration date of Jun 4, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.