letrozole; ribociclib succinate · Novartis · NDA 209935
Kisqali Femara Co-Pack (Copackaged)
Earliest generic entry, as listed
14 Oct 2036
Blocked by patent: US 10799506 (pediatric extension), US 12064434 (pediatric extension), US 12419894 (pediatric extension).
Listed patents · 11 unexpired
29 Orange Book listing rows for 11 patents, including 11 pediatric extensions. FDA lists a patent once for each use code, and lists its pediatric extension as a separate row.
| Patent | Claims | Expires |
|---|---|---|
| US 10799506 | drug product | 14 Oct 2036 |
| US 10799506 listing row | drug product | 14 Apr 2036 |
| US 10799506 listing row | pediatric extension · sets the listed date | 14 Oct 2036 |
| US 12064434 | drug product | 14 Oct 2036 |
| US 12064434 listing row | drug product | 14 Apr 2036 |
| US 12064434 listing row | pediatric extension · sets the listed date | 14 Oct 2036 |
| US 12419894 | drug product | 14 Oct 2036 |
| US 12419894 listing row | drug product | 14 Apr 2036 |
| US 12419894 listing row | pediatric extension · sets the listed date | 14 Oct 2036 |
| US 12544380 | use U-3264, U-3998 | 7 Feb 2035 |
| US 12544380 listing row | use U-3264 | 7 Aug 2034 |
| US 12544380 listing row | use U-3998 | 7 Aug 2034 |
| US 12544380 listing row | pediatric extension | 7 Feb 2035 |
| US 9193732 | drug substance, drug product | 9 May 2032 |
| US 9193732 listing row | drug substance, drug product | 9 Nov 2031 |
| US 9193732 listing row | pediatric extension | 9 May 2032 |
| US 9868739 | use U-2505, U-3264, U-3998 | 9 May 2032 |
| US 9868739 listing row | use U-2505 | 9 Nov 2031 |
| US 9868739 listing row | use U-3264 | 9 Nov 2031 |
| US 9868739 listing row | use U-3998 | 9 Nov 2031 |
| US 9868739 listing row | pediatric extension | 9 May 2032 |
| US 8415355 | drug substance, drug product | 13 Sep 2031 |
| US 8415355 listing row | drug substance, drug product | 13 Mar 2031 |
| US 8415355 listing row | pediatric extension | 13 Sep 2031 |
| US 8685980 | drug substance, drug product | 25 Nov 2030 |
| US 8685980 listing row | drug substance, drug product | 25 May 2030 |
| US 8685980 listing row | pediatric extension | 25 Nov 2030 |
| US 8962630 | use U-2505, U-3264, U-3998 | 9 Jun 2030 |
| US 8962630 listing row | use U-2505 | 9 Dec 2029 |
| US 8962630 listing row | use U-3264 | 9 Dec 2029 |
| US 8962630 listing row | use U-3998 | 9 Dec 2029 |
| US 8962630 listing row | pediatric extension | 9 Jun 2030 |
| US 9416136 | use U-2505, U-3264, U-3998 | 20 Feb 2030 |
| US 9416136 listing row | use U-2505 | 20 Aug 2029 |
| US 9416136 listing row | use U-3264 | 20 Aug 2029 |
| US 9416136 listing row | use U-3998 | 20 Aug 2029 |
| US 9416136 listing row | pediatric extension | 20 Feb 2030 |
| US 8324225 | drug substance, drug product | 17 Dec 2028 |
| US 8324225 listing row | drug substance, drug product | 17 Jun 2028 |
| US 8324225 listing row | pediatric extension | 17 Dec 2028 |
Exclusivities · 3 unexpired
| PED | pediatric (6 months added) | 1 Jan 2030 |
| M-14 | miscellaneous (3 years) | 1 Jul 2029 |
| PED | pediatric (6 months added) | 17 Mar 2028 |
| I-951 | new indication (3 years) | 17 Sep 2027 |
Paragraph IV certifications · 0
No Paragraph IV certification listed by FDA for this drug.
The list shows that a generic applicant certified to FDA that a listed patent is invalid or not infringed. It does not show litigation, settlements or launch timing.
Event history
No events yet. The first ingestion only records products entering their 12-month window; changes appear from the next Orange Book update.
Products covered · 1
| NDA · product | Form | Strength | Listed expiry |
|---|---|---|---|
| 209935 · 001 · RLD | tablet, oral | 2.5MG;EQ 200MG BASE | 14 Oct 2036 |