Wednesday, June 10, 2026

Patent intelligence · HR

HR P20200591

ANTIBODIES SPECIFIC FOR CLAUDIN 6 (CLDN6)

granted A61K 39/ 00 A IA61K 39/ 395 A IA61K/3817A61K/3818
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 14
Applicant portfolio 25
Patent details — HR P20200591
Jurisdiction
HR
Status
granted
Grant date
Jul 10, 2020
Expiration
Jul 5, 2040
CPC classes
A61K 39/ 00 A I, A61K 39/ 395 A I, A61K/3817, A61K/3818
View on Google Patents ↗

Quick answer

HR P20200591 (ANTIBODIES SPECIFIC FOR CLAUDIN 6 (CLDN6)) is held by ASTELLAS PHARMA INC [JP]. Status: granted. Granted Jul 10, 2020. Expires Jul 5, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 39/ 00 A I, A61K 39/ 395 A I, A61K/3817, A61K/3818, A61K/3900, A61K/39395

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Frequently asked questions

What is US patent P20200591?

HR P20200591 (ANTIBODIES SPECIFIC FOR CLAUDIN 6 (CLDN6)) is held by ASTELLAS PHARMA INC [JP]. Status: granted. Granted Jul 10, 2020. Expires Jul 5, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Who owns HR P20200591?

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 HR P20200591 expire?

Our index shows an expiration date of Jul 5, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.