KISQALI Drug Patent Profile
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When do Kisqali patents expire, and when can generic versions of Kisqali launch?
Kisqali is a drug marketed by Novartis and is included in two NDAs. There are eight patents protecting this drug and one Paragraph IV challenge.
This drug has one hundred and eighty-three patent family members in fifty-three countries.
The generic ingredient in KISQALI is letrozole; ribociclib succinate. There are twenty-four drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the letrozole; ribociclib succinate profile page.
DrugPatentWatch® Generic Entry Outlook for Kisqali
Kisqali was eligible for patent challenges on March 13, 2021.
By analyzing the patents and regulatory protections it appears that the earliest date
for generic entry will be April 14, 2036. This may change due to patent challenges or generic licensing.
There have been three patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.
Indicators of Generic Entry
Summary for KISQALI
International Patents: | 183 |
US Patents: | 8 |
Applicants: | 1 |
NDAs: | 2 |
Finished Product Suppliers / Packagers: | 1 |
Raw Ingredient (Bulk) Api Vendors: | 88 |
Clinical Trials: | 33 |
Patent Applications: | 1,159 |
Drug Prices: | Drug price information for KISQALI |
Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for KISQALI |
What excipients (inactive ingredients) are in KISQALI? | KISQALI excipients list |
DailyMed Link: | KISQALI at DailyMed |


DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for KISQALI
Generic Entry Date for KISQALI*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
TABLET;ORAL |
*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.
Recent Clinical Trials for KISQALI
Identify potential brand extensions & 505(b)(2) entrants
Sponsor | Phase |
---|---|
Nationwide Children's Hospital | Phase 2 |
Karolinska University Hospital | Phase 2 |
Relay Therapeutics, Inc. | Phase 1 |
Pharmacology for KISQALI
Drug Class | Kinase Inhibitor |
Mechanism of Action | Cytochrome P450 3A Inhibitors Kinase Inhibitors |
Anatomical Therapeutic Chemical (ATC) Classes for KISQALI
Paragraph IV (Patent) Challenges for KISQALI
Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
---|---|---|---|---|---|---|
KISQALI | Tablets | ribociclib succinate | 200 mg | 209092 | 4 | 2021-03-15 |
US Patents and Regulatory Information for KISQALI
KISQALI is protected by twenty US patents and one FDA Regulatory Exclusivity.
Based on analysis by DrugPatentWatch, the earliest date for a generic version of KISQALI is ⤷ Try a Trial.
This potential generic entry date is based on patent ⤷ Try a Trial.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
Patents protecting KISQALI
Ribociclib tablet
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR TREATMENT OF POSTMENOPAUSAL WOMEN WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER-2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH FULVESTRANT FOR THE TREATMENT OF POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR FOR THE TREATMENT OF PRE/PERIMENOPAUSAL OR POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE-BASED THERAPY
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR THE TREATMENT OF ADULT PATIENTS WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH FULVESTRANT AS INITIAL ENDOCRINE-BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY IN POSTMENOPAUSAL WOMEN OR IN MEN, FOR THE TREATMENT OF HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo- [2,3-D]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR FOR THE TREATMENT OF PRE/PERIMENOPAUSAL OR POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE-BASED THERAPY
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH FULVESTRANT FOR THE TREATMENT OF POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR TREATMENT OF POSTMENOPAUSAL WOMEN WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER-2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH FULVESTRANT AS INITIAL ENDOCRINE-BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY IN POSTMENOPAUSAL WOMEN OR IN MEN, FOR THE TREATMENT OF HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Pyrrolopyrimidine compounds and their uses
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR THE TREATMENT OF ADULT PATIENTS WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo- [2,3-d]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR FOR THE TREATMENT OF PRE/PERIMENOPAUSAL OR POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE-BASED THERAPY
Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo- [2,3-d]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH FULVESTRANT FOR THE TREATMENT OF POSTMENOPAUSAL WOMEN WITH HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER, AS INITIAL ENDOCRINE BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY
Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo- [2,3-d]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR TREATMENT OF POSTMENOPAUSAL WOMEN WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER-2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo- [2,3-d]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH AN AROMATASE INHIBITOR AS INITIAL ENDOCRINE-BASED THERAPY FOR THE TREATMENT OF ADULT PATIENTS WITH HORMONE RECEPTOR (HR)-POSITIVE, HUMAN EPIDERMAL GROWTH FACTOR RECEPTOR 2 (HER2)-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo- [2,3-d]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: IN COMBINATION WITH FULVESTRANT AS INITIAL ENDOCRINE-BASED THERAPY OR FOLLOWING DISEASE PROGRESSION ON ENDOCRINE THERAPY IN POSTMENOPAUSAL WOMEN OR IN MEN, FOR THE TREATMENT OF HR-POSITIVE, HER2-NEGATIVE ADVANCED OR METASTATIC BREAST CANCER
FDA Regulatory Exclusivity protecting KISQALI
NEW PATIENT POPULATION
Exclusivity Expiration: ⤷ Try a Trial
International Patents for KISQALI
When does loss-of-exclusivity occur for KISQALI?
Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:
Argentina
Patent: 4257
Estimated Expiration: ⤷ Try a Trial
Australia
Patent: 16248017
Estimated Expiration: ⤷ Try a Trial
Patent: 19201929
Estimated Expiration: ⤷ Try a Trial
Patent: 20250190
Estimated Expiration: ⤷ Try a Trial
Patent: 22215155
Estimated Expiration: ⤷ Try a Trial
Brazil
Patent: 2017021283
Estimated Expiration: ⤷ Try a Trial
Canada
Patent: 82425
Estimated Expiration: ⤷ Try a Trial
Chile
Patent: 17002593
Estimated Expiration: ⤷ Try a Trial
China
Patent: 7530292
Estimated Expiration: ⤷ Try a Trial
Patent: 5554257
Estimated Expiration: ⤷ Try a Trial
Colombia
Patent: 17010510
Estimated Expiration: ⤷ Try a Trial
Croatia
Patent: 0230053
Estimated Expiration: ⤷ Try a Trial
Denmark
Patent: 83058
Estimated Expiration: ⤷ Try a Trial
Ecuador
Patent: 17075052
Estimated Expiration: ⤷ Try a Trial
Eurasian Patent Organization
Patent: 1792290
Estimated Expiration: ⤷ Try a Trial
European Patent Office
Patent: 83058
Estimated Expiration: ⤷ Try a Trial
Patent: 97530
Estimated Expiration: ⤷ Try a Trial
Finland
Patent: 83058
Estimated Expiration: ⤷ Try a Trial
Hungary
Patent: 61213
Estimated Expiration: ⤷ Try a Trial
Japan
Patent: 18514523
Estimated Expiration: ⤷ Try a Trial
Mexico
Patent: 17013350
Estimated Expiration: ⤷ Try a Trial
Peru
Patent: 180035
Estimated Expiration: ⤷ Try a Trial
Philippines
Patent: 017501820
Estimated Expiration: ⤷ Try a Trial
Poland
Patent: 83058
Estimated Expiration: ⤷ Try a Trial
Portugal
Patent: 83058
Estimated Expiration: ⤷ Try a Trial
Singapore
Patent: 201708084P
Estimated Expiration: ⤷ Try a Trial
Slovenia
Patent: 83058
Estimated Expiration: ⤷ Try a Trial
South Korea
Patent: 170137101
Estimated Expiration: ⤷ Try a Trial
Spain
Patent: 38261
Estimated Expiration: ⤷ Try a Trial
Taiwan
Patent: 1642864
Estimated Expiration: ⤷ Try a Trial
Tunisia
Patent: 17000422
Estimated Expiration: ⤷ Try a Trial
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
See the table below for additional patents covering KISQALI around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
Canada | 2652044 | COMPOSES DE PYRROLOPYRIMIDINE ET LEURS UTILISATIONS (PYRROLOPYRIMIDINE COMPOUNDS AND THEIR USES) | ⤷ Try a Trial |
World Intellectual Property Organization (WIPO) | 2016166703 | ⤷ Try a Trial | |
Morocco | 32555 | مركبات من البيرولوبيريميدين واستخداماتها | ⤷ Try a Trial |
South Korea | 20190099090 | 7-시클로펜틸-2- 및 그의 제조 방법 (7--2-5--1---2--7-[23-]-6- SALTS OF 7-CYCLOPENTYL-2-5-PIPERAZIN-1-YL-PYRIDIN-2-YLAMINO-7H-PYRROLO[23-D]PYRIMIDINE-6-CARBOXYLIC ACID DIMETHYLAMIDE AND PROCESSES OF MAKING THEREOF) | ⤷ Try a Trial |
Croatia | P20141018 | ⤷ Try a Trial | |
Eurasian Patent Organization | 201792290 | ТАБЛЕТКА, СОДЕРЖАЩАЯ РИБОЦИКЛИБ | ⤷ Try a Trial |
>Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for KISQALI
Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
---|---|---|---|---|
2331547 | 2017059 | Norway | ⤷ Try a Trial | PRODUCT NAME: RIBOSIKLIB ELLER ET; REG. NO/DATE: EU/1/17/1221 20170830 |
2331547 | 291 26-2017 | Slovakia | ⤷ Try a Trial | PRODUCT NAME: RIBOCIKLIB VO VSETKYCH FORMACH CHRANENYCH ZAKLADNYM PATENTOM; REGISTRATION NO/DATE: EU/1/17/1221 20170824 |
2331547 | LUC00048 | Luxembourg | ⤷ Try a Trial | PRODUCT NAME: RIBOCICLIB OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELUI-CI; AUTHORISATION NUMBER AND DATE: EU/1/171221 20170824 |
2331547 | 664 | Finland | ⤷ Try a Trial | |
2331547 | 122017000102 | Germany | ⤷ Try a Trial | PRODUCT NAME: RIBOCICLIB ODER EIN PHARMAZEUTISCH ANNEHMBARES SALZ DAVON.; REGISTRATION NO/DATE: EU/1/17/1221 20170822 |
2331547 | C201730045 | Spain | ⤷ Try a Trial | PRODUCT NAME: RIBOCICLIB O UNA SAL DE ESTE FARMACEUTICAMENTE ACEPTABLE; NATIONAL AUTHORISATION NUMBER: EU/1/17/1221; DATE OF AUTHORISATION: 20170822; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/17/1221; DATE OF FIRST AUTHORISATION IN EEA: 20170822 |
>Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |