Wednesday, July 8, 2026

Patent intelligence · US

US 10889817

Oligonucleotide therapy for Leber Congenital Amaurosis

granted A61KA61K31/7125A61PA61P27/02
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 15
Applicant portfolio 19
Patent details — US 10889817
Jurisdiction
US
Status
granted
Grant date
Jan 12, 2021
Expiration
Jan 7, 2041
Claims
6
CPC classes
A61K, A61K31/7125, A61P, A61P27/02
View on Google Patents ↗

Quick answer

US 10889817 (Oligonucleotide therapy for Leber Congenital Amaurosis) is held by ProQR Therapeutics II B.V.. Status: granted. Granted Jan 12, 2021. Expires Jan 7, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
6
CPC classes
A61K, A61K31/7125, A61P, A61P27/02

More from ProQR Therapeutics II B.V.

Related pharmaceutical patents in our USPTO index.

  1. US 12275937

    Stereospecific linkages in RNA editing oligonucleotides

    ProQR Therapeutics II B.V. · Expires Apr 10, 2045

    granted
  2. US 12203072

    Chemically modified single-stranded rna-editing oligonucleotides

    ProQR Therapeutics II B.V. · Expires Jan 16, 2045

    granted
  3. US 12180471

    Antisense oligonucleotides for the treatment of Stargardt disease

    ProQR Therapeutics II B.V. · Expires Dec 26, 2044

    granted
  4. US 12018257

    Single-stranded RNA-editing oligonucleotides

    ProQR Therapeutics II B.V. · Expires Jun 20, 2044

    granted
  5. US 11920132

    Oligonucleotide therapy for Leber congenital amaurosis

    ProQR Therapeutics II B.V. · Expires Feb 29, 2044

    granted
  6. US 11851656

    Chemically modified single-stranded RNA-editing oligonucleotides

    ProQR Therapeutics II B.V. · Expires Dec 21, 2043

    granted
  7. US 11649454

    Single-stranded RNA-editing oligonucleotides

    ProQR Therapeutics II B.V. · Expires May 11, 2043

    granted
  8. US 11479771

    Antisense oligonucleotides for the treatment of eye disease

    ProQR Therapeutics II B.V. · Expires Oct 20, 2042

    granted

Frequently asked questions

What is US patent 10889817?

US 10889817 (Oligonucleotide therapy for Leber Congenital Amaurosis) is held by ProQR Therapeutics II B.V.. Status: granted. Granted Jan 12, 2021. Expires Jan 7, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10889817?

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 10889817 expire?

Our index shows an expiration date of Jan 7, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.