Wednesday, July 8, 2026

Patent intelligence · US

US 11813335

Pyrrolobenzodiazepine-antibody conjugates

granted A61KA61K31/5517A61K45/06A61K47/68035
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 22
Patent details — US 11813335
Jurisdiction
US
Status
granted
Grant date
Nov 14, 2023
Expiration
Nov 9, 2043
Claims
17
CPC classes
A61K, A61K31/5517, A61K45/06, A61K47/68035
View on Google Patents ↗

Quick answer

US 11813335 (Pyrrolobenzodiazepine-antibody conjugates) is held by ADC THERAPEUTICS SA. Status: granted. Granted Nov 14, 2023. Expires Nov 9, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61K, A61K31/5517, A61K45/06, A61K47/68035, A61K47/6849, A61K47/6889

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Frequently asked questions

What is US patent 11813335?

US 11813335 (Pyrrolobenzodiazepine-antibody conjugates) is held by ADC THERAPEUTICS SA. Status: granted. Granted Nov 14, 2023. Expires Nov 9, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11813335?

ADC THERAPEUTICS SA is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 22 pharmaceutical patents for this assignee.

When does US 11813335 expire?

Our index shows an expiration date of Nov 9, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.