Wednesday, July 8, 2026

Patent intelligence · US

US 9938236

Antiviral agents against HBV infection

granted A61PA61P1/16A61P31/12A61P31/14
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 12
Applicant portfolio 56
Patent details — US 9938236
Jurisdiction
US
Status
granted
Grant date
Apr 10, 2018
Expiration
Apr 5, 2038
Claims
19
CPC classes
A61P, A61P1/16, A61P31/12, A61P31/14
View on Google Patents ↗

Quick answer

US 9938236 (Antiviral agents against HBV infection) is held by ARBUTUS BIOPHARMA CORPORATION. Status: granted. Granted Apr 10, 2018. Expires Apr 5, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61P, A61P1/16, A61P31/12, A61P31/14, A61P31/20, A61P35/00

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Frequently asked questions

What is US patent 9938236?

US 9938236 (Antiviral agents against HBV infection) is held by ARBUTUS BIOPHARMA CORPORATION. Status: granted. Granted Apr 10, 2018. Expires Apr 5, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9938236?

ARBUTUS BIOPHARMA CORPORATION is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 56 pharmaceutical patents for this assignee.

When does US 9938236 expire?

Our index shows an expiration date of Apr 5, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.