Wednesday, July 8, 2026

Patent intelligence · US

US 12018257

Single-stranded RNA-editing oligonucleotides

granted A61KA61K31/7125A61PA61P1/04
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 18
Applicant portfolio 19
Patent details — US 12018257
Jurisdiction
US
Status
granted
Grant date
Jun 25, 2024
Expiration
Jun 20, 2044
Claims
13
CPC classes
A61K, A61K31/7125, A61P, A61P1/04
View on Google Patents ↗

Quick answer

US 12018257 (Single-stranded RNA-editing oligonucleotides) is held by ProQR Therapeutics II B.V.. Status: granted. Granted Jun 25, 2024. Expires Jun 20, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/7125, A61P, A61P1/04, A61P11/00, A61P11/06

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Frequently asked questions

What is US patent 12018257?

US 12018257 (Single-stranded RNA-editing oligonucleotides) is held by ProQR Therapeutics II B.V.. Status: granted. Granted Jun 25, 2024. Expires Jun 20, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12018257?

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 12018257 expire?

Our index shows an expiration date of Jun 20, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.