Wednesday, July 8, 2026

Patent intelligence · US

US 8883507

Conditionally immortalized long-term hematopoietic stem cells and methods of making and using such cells

granted A61PA61P17/00A61P35/00A61P35/02
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 8
Applicant portfolio 8,292
Patent details — US 8883507

Quick answer

US 8883507 (Conditionally immortalized long-term hematopoietic stem cells and methods of making and using such cells) is held by The Regents of the University of Colorado. Status: granted. Granted Nov 11, 2014. Expires Nov 6, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61P, A61P17/00, A61P35/00, A61P35/02, A61P37/00, A61P37/04

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Frequently asked questions

What is US patent 8883507?

US 8883507 (Conditionally immortalized long-term hematopoietic stem cells and methods of making and using such cells) is held by The Regents of the University of Colorado. Status: granted. Granted Nov 11, 2014. Expires Nov 6, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8883507?

The Regents of the University of Colorado is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 8883507 expire?

Our index shows an expiration date of Nov 6, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.