Wednesday, July 8, 2026

Patent intelligence · US

US 10947317

NaPi2b-targeted antibody-drug conjugates and methods of use thereof

granted A61KA61K47/6805A61K47/6811A61K47/6851
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 136
Patent details — US 10947317
Jurisdiction
US
Status
granted
Grant date
Mar 16, 2021
Expiration
Mar 11, 2041
Claims
15
CPC classes
A61K, A61K47/6805, A61K47/6811, A61K47/6851
View on Google Patents ↗

Quick answer

US 10947317 (NaPi2b-targeted antibody-drug conjugates and methods of use thereof) is held by Mersana Therapeutics, Inc.. Status: granted. Granted Mar 16, 2021. Expires Mar 11, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K47/6805, A61K47/6811, A61K47/6851, A61K47/6857, A61K47/6869

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Frequently asked questions

What is US patent 10947317?

US 10947317 (NaPi2b-targeted antibody-drug conjugates and methods of use thereof) is held by Mersana Therapeutics, Inc.. Status: granted. Granted Mar 16, 2021. Expires Mar 11, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10947317?

Mersana Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 136 pharmaceutical patents for this assignee.

When does US 10947317 expire?

Our index shows an expiration date of Mar 11, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.