Wednesday, July 8, 2026

Patent intelligence · US

US 10143748

B-cell reduction using CD37-specific and CD20-specific binding molecules

granted A61KA61K2039/505A61K2039/507A61K2039/545
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 12
Applicant portfolio 13
Related coverage 1
Patent details — US 10143748

Quick answer

US 10143748 (B-cell reduction using CD37-specific and CD20-specific binding molecules) is held by Aptevo Research and Development LLC. Status: granted. Granted Dec 4, 2018. Expires Nov 29, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61K, A61K2039/505, A61K2039/507, A61K2039/545, A61K39/3955, A61K39/39558

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Related coverage

Frequently asked questions

What is US patent 10143748?

US 10143748 (B-cell reduction using CD37-specific and CD20-specific binding molecules) is held by Aptevo Research and Development LLC. Status: granted. Granted Dec 4, 2018. Expires Nov 29, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10143748?

Aptevo Research and Development LLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 13 pharmaceutical patents for this assignee.

When does US 10143748 expire?

Our index shows an expiration date of Nov 29, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.