Wednesday, July 8, 2026

Patent intelligence · US

US 10442788

Hepatitis B antiviral agents

granted A61KA61K31/4164A61K31/4178A61K31/454
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 13
Applicant portfolio 218
Patent details — US 10442788
Jurisdiction
US
Status
granted
Grant date
Oct 15, 2019
Expiration
Oct 10, 2039
Claims
15
CPC classes
A61K, A61K31/4164, A61K31/4178, A61K31/454
View on Google Patents ↗

Quick answer

US 10442788 (Hepatitis B antiviral agents) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted Oct 15, 2019. Expires Oct 10, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K31/4164, A61K31/4178, A61K31/454, A61K31/496, A61K31/5377

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Frequently asked questions

What is US patent 10442788?

US 10442788 (Hepatitis B antiviral agents) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted Oct 15, 2019. Expires Oct 10, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10442788?

Enanta Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 218 pharmaceutical patents for this assignee.

When does US 10442788 expire?

Our index shows an expiration date of Oct 10, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.