Wednesday, July 8, 2026

Patent intelligence · US

US 8313925

Zinc finger proteins and method for inactivating a dhfr gene in a chinese hamster ovary cell

granted A61KA61K48/0008A61K48/005A61K48/0058
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 6
Applicant portfolio 192
Patent details — US 8313925
Jurisdiction
US
Status
granted
Grant date
Nov 20, 2012
Expiration
Nov 15, 2032
Claims
24
CPC classes
A61K, A61K48/0008, A61K48/005, A61K48/0058
View on Google Patents ↗

Quick answer

US 8313925 (Zinc finger proteins and method for inactivating a dhfr gene in a chinese hamster ovary cell) is held by Sangamo Biosciences, Inc.. Status: granted. Granted Nov 20, 2012. Expires Nov 15, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
24
CPC classes
A61K, A61K48/0008, A61K48/005, A61K48/0058

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Frequently asked questions

What is US patent 8313925?

US 8313925 (Zinc finger proteins and method for inactivating a dhfr gene in a chinese hamster ovary cell) is held by Sangamo Biosciences, Inc.. Status: granted. Granted Nov 20, 2012. Expires Nov 15, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8313925?

Sangamo Biosciences, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 192 pharmaceutical patents for this assignee.

When does US 8313925 expire?

Our index shows an expiration date of Nov 15, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.