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Last Updated: May 1, 2024

Letrozole; ribociclib succinate - Generic Drug Details


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What are the generic drug sources for letrozole; ribociclib succinate and what is the scope of freedom to operate?

Letrozole; ribociclib succinate is the generic ingredient in one branded drug marketed by Novartis and is included in one NDA. There are eight patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Letrozole; ribociclib succinate has one hundred and eighty-four patent family members in fifty-three countries.

One supplier is listed for this compound.

Summary for letrozole; ribociclib succinate
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for letrozole; ribociclib succinate
Generic Entry Date for letrozole; ribociclib succinate*:
Constraining patent/regulatory exclusivity:
Dosage:
TABLET, 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.

Paragraph IV (Patent) Challenges for LETROZOLE; RIBOCICLIB SUCCINATE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
KISQALI FEMARA CO-PACK (COPACKAGED) Tablets letrozole; ribociclib succinate 200 mg and 2.5 mg 209935 4 2021-03-15

US Patents and Regulatory Information for letrozole; ribociclib succinate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Novartis KISQALI FEMARA CO-PACK (COPACKAGED) letrozole; ribociclib succinate TABLET;ORAL 209935-001 May 4, 2017 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y Y ⤷  Try a Trial
Novartis KISQALI FEMARA CO-PACK (COPACKAGED) letrozole; ribociclib succinate TABLET;ORAL 209935-001 May 4, 2017 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y Y ⤷  Try a Trial
Novartis KISQALI FEMARA CO-PACK (COPACKAGED) letrozole; ribociclib succinate TABLET;ORAL 209935-001 May 4, 2017 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Novartis KISQALI FEMARA CO-PACK (COPACKAGED) letrozole; ribociclib succinate TABLET;ORAL 209935-001 May 4, 2017 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y Y ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for letrozole; ribociclib succinate

Country Patent Number Title Estimated Expiration
Australia 2009284098 Pyrrolopyrimidine compounds as CDK inhibitors ⤷  Try a Trial
Mexico 2017013350 COMPRIMIDO DE RIBOCICLIB. (RIBOCICLIB TABLET.) ⤷  Try a Trial
European Patent Office 2716643 Composés de la pyrazolopyrimidine et ses utilisations (Pyrrolopyrimidine compounds and their uses) ⤷  Try a Trial
Lithuania PA2017039 ⤷  Try a Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for letrozole; ribociclib succinate

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2331547 C20170039 00245 Estonia ⤷  Try a Trial PRODUCT NAME: RIBOTSIKLIIB;REG NO/DATE: EU/1/17/1221 24.08.2017
2331547 SPC/GB17/074 United Kingdom ⤷  Try a Trial PRODUCT NAME: RIBOCICLIB OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REGISTERED: UK EU/1/17/1221/001-012 20170824; UK PLGB 00101/1100 20170824
2331547 2017/060 Ireland ⤷  Try a Trial PRODUCT NAME: RIBOCICLIB OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REGISTRATION NO/DATE: EU/1/17/1221 20170824
2331547 2017059 Norway ⤷  Try a Trial PRODUCT NAME: RIBOSIKLIB ELLER ET; REG. NO/DATE: EU/1/17/1221 20170830
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.