Wednesday, July 8, 2026

Patent intelligence · US

US 11220670

Remnant tumor infiltrating lymphocytes and methods of preparing and using the same

granted A61KA61K31/661A61K35/17A61K38/2013
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 15
Applicant portfolio 94
Patent details — US 11220670
Jurisdiction
US
Status
granted
Grant date
Jan 11, 2022
Expiration
Jan 6, 2042
Claims
18
CPC classes
A61K, A61K31/661, A61K35/17, A61K38/2013
View on Google Patents ↗

Quick answer

US 11220670 (Remnant tumor infiltrating lymphocytes and methods of preparing and using the same) is held by Iovance Biotherapeutics, Inc.. Status: granted. Granted Jan 11, 2022. Expires Jan 6, 2042 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K31/661, A61K35/17, A61K38/2013, A61K40/11, A61K40/42

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Frequently asked questions

What is US patent 11220670?

US 11220670 (Remnant tumor infiltrating lymphocytes and methods of preparing and using the same) is held by Iovance Biotherapeutics, Inc.. Status: granted. Granted Jan 11, 2022. Expires Jan 6, 2042 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11220670?

Iovance Biotherapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 94 pharmaceutical patents for this assignee.

When does US 11220670 expire?

Our index shows an expiration date of Jan 6, 2042 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.