Wednesday, June 10, 2026

Patent intelligence Β· US

US 2020199221

ANTIBODIES USEFUL IN CANCER DIAGNOSIS

granted A61K 47/ 68 A IA61K/476849
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 14
Applicant portfolio 25
Patent details β€” US 2020199221

Quick answer

US 2020199221 (ANTIBODIES USEFUL IN CANCER DIAGNOSIS) is held by ASTELLAS PHARMA INC [JP]. Status: granted. Granted Jun 25, 2020. Expires Jun 20, 2040 (14 years remaining) β€” relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
β€”
CPC classes
A61K 47/ 68 A I, A61K/476849

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Frequently asked questions

What is US patent 2020199221?

US 2020199221 (ANTIBODIES USEFUL IN CANCER DIAGNOSIS) is held by ASTELLAS PHARMA INC [JP]. Status: granted. Granted Jun 25, 2020. Expires Jun 20, 2040 (14 years remaining) β€” relevant for patent-cliff and LOE planning.

Who owns US 2020199221?

ASTELLAS PHARMA INC [JP] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does US 2020199221 expire?

Our index shows an expiration date of Jun 20, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.