Wednesday, July 8, 2026

Patent intelligence · US

US 11147883

Targeted delivery of drugs, therapeutic nucleic acids and functional nucleic acids to mammalian cells via intact killed bacterial cells

granted A61KA61K2039/505A61K31/337A61K31/704
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 53
Patent details — US 11147883
Jurisdiction
US
Status
granted
Grant date
Oct 19, 2021
Expiration
Oct 14, 2041
Claims
15
CPC classes
A61K, A61K2039/505, A61K31/337, A61K31/704
View on Google Patents ↗

Quick answer

US 11147883 (Targeted delivery of drugs, therapeutic nucleic acids and functional nucleic acids to mammalian cells via intact killed bacterial cells) is held by EnGeneIC Molecular Delivery Pty Ltd. Status: granted. Granted Oct 19, 2021. Expires Oct 14, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K2039/505, A61K31/337, A61K31/704, A61K31/7088, A61K31/7105

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Frequently asked questions

What is US patent 11147883?

US 11147883 (Targeted delivery of drugs, therapeutic nucleic acids and functional nucleic acids to mammalian cells via intact killed bacterial cells) is held by EnGeneIC Molecular Delivery Pty Ltd. Status: granted. Granted Oct 19, 2021. Expires Oct 14, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11147883?

EnGeneIC Molecular Delivery Pty Ltd is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 53 pharmaceutical patents for this assignee.

When does US 11147883 expire?

Our index shows an expiration date of Oct 14, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.