Wednesday, July 8, 2026

Patent intelligence · US

US 11331365

Multispecific protein drug and library thereof, preparing method therefor and application thereof

granted A61KA61K38/00A61K38/02A61K47/549
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 14
Patent details — US 11331365
Jurisdiction
US
Status
granted
Grant date
May 17, 2022
Expiration
May 12, 2042
Claims
10
CPC classes
A61K, A61K38/00, A61K38/02, A61K47/549
View on Google Patents ↗

Quick answer

US 11331365 (Multispecific protein drug and library thereof, preparing method therefor and application thereof) is held by Assembly Medicine, LLC. Status: granted. Granted May 17, 2022. Expires May 12, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61K, A61K38/00, A61K38/02, A61K47/549, A61K47/61

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Frequently asked questions

What is US patent 11331365?

US 11331365 (Multispecific protein drug and library thereof, preparing method therefor and application thereof) is held by Assembly Medicine, LLC. Status: granted. Granted May 17, 2022. Expires May 12, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11331365?

Assembly Medicine, LLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 14 pharmaceutical patents for this assignee.

When does US 11331365 expire?

Our index shows an expiration date of May 12, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.