Wednesday, July 8, 2026

Patent intelligence · US

US 11529381

Bifidobacterium longum able to beneficially modulate immune response to respiratory virus infection

granted A61KA61K35/745A61K9/0043A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 158
Patent details — US 11529381
Jurisdiction
US
Status
granted
Grant date
Dec 20, 2022
Expiration
Dec 15, 2042
Claims
9
CPC classes
A61K, A61K35/745, A61K9/0043, A61P
View on Google Patents ↗

Quick answer

US 11529381 (Bifidobacterium longum able to beneficially modulate immune response to respiratory virus infection) is held by PrecisionBiotics Group Limited. Status: granted. Granted Dec 20, 2022. Expires Dec 15, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K35/745, A61K9/0043, A61P, A61P11/00, A61P11/06

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Frequently asked questions

What is US patent 11529381?

US 11529381 (Bifidobacterium longum able to beneficially modulate immune response to respiratory virus infection) is held by PrecisionBiotics Group Limited. Status: granted. Granted Dec 20, 2022. Expires Dec 15, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11529381?

PrecisionBiotics Group Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 158 pharmaceutical patents for this assignee.

When does US 11529381 expire?

Our index shows an expiration date of Dec 15, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.