Wednesday, July 8, 2026

Patent intelligence · US

US 10421963

Oligonucleotide therapy for leber congenital amaurosis

granted A61KA61K31/7125A61PA61P27/02
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 13
Applicant portfolio 19
Patent details — US 10421963
Jurisdiction
US
Status
granted
Grant date
Sep 24, 2019
Expiration
Sep 19, 2039
Claims
14
CPC classes
A61K, A61K31/7125, A61P, A61P27/02
View on Google Patents ↗

Quick answer

US 10421963 (Oligonucleotide therapy for leber congenital amaurosis) is held by ProQR Therapeutics II B.V.. Status: granted. Granted Sep 24, 2019. Expires Sep 19, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61K, A61K31/7125, A61P, A61P27/02

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Frequently asked questions

What is US patent 10421963?

US 10421963 (Oligonucleotide therapy for leber congenital amaurosis) is held by ProQR Therapeutics II B.V.. Status: granted. Granted Sep 24, 2019. Expires Sep 19, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10421963?

ProQR Therapeutics II B.V. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 19 pharmaceutical patents for this assignee.

When does US 10421963 expire?

Our index shows an expiration date of Sep 19, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.