32 Drugs Facing NCE-1 / Abbreviated New Drug Application acceptance dates in 2025 - 2026
Loss of Exclusivity / End of Market Exclusivity Period dates
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Friedman, Yali, "32 Drugs Facing NCE-1 / Abbreviated New Drug Application acceptance dates in 2025 - 2026" DrugPatentWatch.com thinkBiotech, 2025 www.drugpatentwatch.com/p/nce-1/.
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These NCE-1 dates indicate the first opportunity for generic drug companies to file Abbreviated New Drug Applications (ANDAs) for generic entry into branded drug markets. Generic launch is dependent on many factors, including FDA approval and patents. This information is provided as a rough estimate of generic application, and does not indicate when generics will launch. For more information see the complete DrugPatentWatch database.
When can drug patent challenges be filed against FEXINIDAZOLE?
Generic name: fexinidazole
NCE-1 Date: July 2025
FEXINIDAZOLE is a drug marketed by Sanofi.
The generic ingredient in FEXINIDAZOLE is fexinidazole. Additional details are available on the fexinidazole profile page.
When can drug patent challenges be filed against REZUROCK?
Generic name: belumosudil mesylate
NCE-1 Date: July 2025
REZUROCK is a drug marketed by Kadmon Pharms Llc. There are five patents protecting this drug.
This drug has fifty-four patent family members in twenty-eight countries.
See drug price trends for REZUROCK.
The generic ingredient in REZUROCK is belumosudil mesylate. Additional details are available on the belumosudil mesylate profile page.
When can drug patent challenges be filed against BYLVAY?
Generic name: odevixibat
NCE-1 Date: July 2025
BYLVAY is a drug marketed by Ipsen. There are thirteen patents protecting this drug.
This drug has one hundred and twenty-two patent family members in forty-four countries.
See drug price trends for BYLVAY.
The generic ingredient in BYLVAY is odevixibat. Additional details are available on the odevixibat profile page.
When can drug patent challenges be filed against WELIREG?
Generic name: belzutifan
NCE-1 Date: August 2025
WELIREG is a drug marketed by Merck Sharp Dohme. There are two patents protecting this drug.
This drug has fifty-three patent family members in twenty-eight countries.
See drug price trends for WELIREG.
The generic ingredient in WELIREG is belzutifan. Additional details are available on the belzutifan profile page.
When can drug patent challenges be filed against KORSUVA?
Generic name: difelikefalin acetate
NCE-1 Date: August 2025
KORSUVA is a drug marketed by Vifor Intl. There are twelve patents protecting this drug.
This drug has fifty-two patent family members in twenty-seven countries.
See drug price trends for KORSUVA.
The generic ingredient in KORSUVA is difelikefalin acetate. Additional details are available on the difelikefalin acetate profile page.
When can drug patent challenges be filed against EXKIVITY?
Generic name: mobocertinib succinate
NCE-1 Date: September 2025
EXKIVITY is a drug marketed by Takeda Pharms Usa. There are two patents protecting this drug.
This drug has sixty-four patent family members in forty countries.
See drug price trends for EXKIVITY.
The generic ingredient in EXKIVITY is mobocertinib succinate. Additional details are available on the mobocertinib succinate profile page.
When can drug patent challenges be filed against QULIPTA?
Generic name: atogepant
NCE-1 Date: September 2025
This drug has one hundred and fourteen patent family members in forty-five countries. There has been litigation on patents covering QULIPTA
See drug price trends for QULIPTA.
The generic ingredient in QULIPTA is atogepant. Additional details are available on the atogepant profile page.
When can drug patent challenges be filed against LIVMARLI?
Generic name: maralixibat chloride
NCE-1 Date: September 2025
LIVMARLI is a drug marketed by Mirum. There are eight patents protecting this drug.
This drug has one hundred and thirty-one patent family members in twenty-three countries.
See drug price trends for LIVMARLI.
The generic ingredient in LIVMARLI is maralixibat chloride. Additional details are available on the maralixibat chloride profile page.
When can drug patent challenges be filed against TAVNEOS?
Generic name: avacopan
NCE-1 Date: October 2025
TAVNEOS is a drug marketed by Chemocentryx. There are four patents protecting this drug.
This drug has one hundred and twenty patent family members in thirty-eight countries.
See drug price trends for TAVNEOS.
The generic ingredient in TAVNEOS is avacopan. Additional details are available on the avacopan profile page.
When can drug patent challenges be filed against SCEMBLIX?
Generic name: asciminib hydrochloride
NCE-1 Date: October 2025
SCEMBLIX is a drug marketed by Novartis. There are four patents protecting this drug.
This drug has eighty-seven patent family members in forty-nine countries.
See drug price trends for SCEMBLIX.
The generic ingredient in SCEMBLIX is asciminib hydrochloride. Additional details are available on the asciminib hydrochloride profile page.
When can drug patent challenges be filed against VOXZOGO?
Generic name: vosoritide
NCE-1 Date: November 2025
VOXZOGO is a drug marketed by Biomarin Pharm. There are seven patents protecting this drug.
This drug has one hundred and two patent family members in thirty countries.
See drug price trends for VOXZOGO.
The generic ingredient in VOXZOGO is vosoritide. Additional details are available on the vosoritide profile page.
When can drug patent challenges be filed against LIVTENCITY?
Generic name: maribavir
NCE-1 Date: November 2025
LIVTENCITY is a drug marketed by Takeda Pharms Usa. There are three patents protecting this drug.
This drug has twenty-two patent family members in twelve countries.
See drug price trends for LIVTENCITY.
The generic ingredient in LIVTENCITY is maribavir. Additional details are available on the maribavir profile page.
When can drug patent challenges be filed against CYTALUX?
Generic name: pafolacianine sodium
NCE-1 Date: November 2025
CYTALUX is a drug marketed by On Target Labs. There are six patents protecting this drug.
This drug has thirty-five patent family members in twelve countries.
The generic ingredient in CYTALUX is pafolacianine sodium. Additional details are available on the pafolacianine sodium profile page.
When can drug patent challenges be filed against LEQVIO?
Generic name: inclisiran sodium
NCE-1 Date: December 2025
LEQVIO is a drug marketed by Novartis. There are nine patents protecting this drug.
This drug has one hundred and sixty-eight patent family members in thirty-two countries. There has been litigation on patents covering LEQVIO
See drug price trends for LEQVIO.
The generic ingredient in LEQVIO is inclisiran sodium. Additional details are available on the inclisiran sodium profile page.
When can drug patent challenges be filed against CIBINQO?
Generic name: abrocitinib
NCE-1 Date: January 2026
This drug has sixty-five patent family members in forty-four countries.
See drug price trends for CIBINQO.
The generic ingredient in CIBINQO is abrocitinib. Additional details are available on the abrocitinib profile page.
When can drug patent challenges be filed against PYRUKYND?
Generic name: mitapivat sulfate
NCE-1 Date: February 2026
PYRUKYND is a drug marketed by Agios Pharms Inc. There are nine patents protecting this drug.
This drug has one hundred and eighty-six patent family members in forty-six countries.
See drug price trends for PYRUKYND.
The generic ingredient in PYRUKYND is mitapivat sulfate. Additional details are available on the mitapivat sulfate profile page.
When can drug patent challenges be filed against VONJO?
Generic name: pacritinib citrate
NCE-1 Date: February 2026
VONJO is a drug marketed by Sobi. There are three patents protecting this drug.
This drug has seventy-eight patent family members in twenty-eight countries.
See drug price trends for VONJO.
The generic ingredient in VONJO is pacritinib citrate. Additional details are available on the pacritinib citrate profile page.
When can drug patent challenges be filed against PLUVICTO?
Generic name: lutetium lu-177 vipivotide tetraxetan
NCE-1 Date: March 2026
PLUVICTO is a drug marketed by Novartis. There are five patents protecting this drug.
This drug has one hundred and twenty-nine patent family members in thirty-eight countries.
See drug price trends for PLUVICTO.
The generic ingredient in PLUVICTO is lutetium lu-177 vipivotide tetraxetan. There are four drug master file entries for this API. Additional details are available on the lutetium lu-177 vipivotide tetraxetan profile page.
When can drug patent challenges be filed against QUVIVIQ?
Generic name: daridorexant hydrochloride
NCE-1 Date: April 2026
This drug has eighty-eight patent family members in thirty-five countries.
See drug price trends for QUVIVIQ.
The generic ingredient in QUVIVIQ is daridorexant hydrochloride. Additional details are available on the daridorexant hydrochloride profile page.
When can drug patent challenges be filed against VIVJOA?
Generic name: oteseconazole
NCE-1 Date: April 2026
VIVJOA is a drug marketed by Mycovia Pharms. There are five patents protecting this drug.
This drug has sixty-three patent family members in twenty-two countries.
See drug price trends for VIVJOA.
The generic ingredient in VIVJOA is oteseconazole. Additional details are available on the oteseconazole profile page.
When can drug patent challenges be filed against CAMZYOS?
Generic name: mavacamten
NCE-1 Date: April 2026
CAMZYOS is a drug marketed by Bristol. There are two patents protecting this drug.
This drug has sixty-seven patent family members in thirty-nine countries.
See drug price trends for CAMZYOS.
The generic ingredient in CAMZYOS is mavacamten. Additional details are available on the mavacamten profile page.
When can drug patent challenges be filed against VOQUEZNA?
Generic name: vonoprazan fumarate
NCE-1 Date: May 2026
This drug has one hundred and three patent family members in forty-three countries.
See drug price trends for VOQUEZNA.
The generic ingredient in VOQUEZNA is vonoprazan fumarate. There is one drug master file entry for this API. Additional details are available on the vonoprazan fumarate profile page.
When can drug patent challenges be filed against VOQUEZNA TRIPLE PAK?
Generic name: amoxicillin; clarithromycin; vonoprazan fumarate
NCE-1 Date: May 2026
This drug has one hundred and three patent family members in forty-three countries.
See drug price trends for VOQUEZNA TRIPLE PAK.
The generic ingredient in VOQUEZNA TRIPLE PAK is amoxicillin; clarithromycin; vonoprazan fumarate. There are forty-six drug master file entries for this API. Additional details are available on the amoxicillin; clarithromycin; vonoprazan fumarate profile page.
When can drug patent challenges be filed against VOQUEZNA DUAL PAK?
Generic name: amoxicillin; vonoprazan fumarate
NCE-1 Date: May 2026
This drug has one hundred and three patent family members in forty-three countries.
See drug price trends for VOQUEZNA DUAL PAK.
The generic ingredient in VOQUEZNA DUAL PAK is amoxicillin; vonoprazan fumarate. There are forty-six drug master file entries for this API. Additional details are available on the amoxicillin; vonoprazan fumarate profile page.
When can drug patent challenges be filed against MOUNJARO?
Generic name: tirzepatide
NCE-1 Date: May 2026
This drug has one hundred and forty-eight patent family members in forty-four countries. There has been litigation on patents covering MOUNJARO
See drug price trends for MOUNJARO.
The generic ingredient in MOUNJARO is tirzepatide. Additional details are available on the tirzepatide profile page.
When can drug patent challenges be filed against MOUNJARO (AUTOINJECTOR)?
Generic name: tirzepatide
NCE-1 Date: May 2026
MOUNJARO (AUTOINJECTOR) is a drug marketed by Eli Lilly And Co. There are three patents protecting this drug.
This drug has one hundred and forty-eight patent family members in forty-four countries.
The generic ingredient in MOUNJARO (AUTOINJECTOR) is tirzepatide. Additional details are available on the tirzepatide profile page.
When can drug patent challenges be filed against ZEPBOUND?
Generic name: tirzepatide
NCE-1 Date: May 2026
This drug has one hundred and seventeen patent family members in forty-four countries. There has been litigation on patents covering ZEPBOUND
See drug price trends for ZEPBOUND.
The generic ingredient in ZEPBOUND is tirzepatide. Additional details are available on the tirzepatide profile page.
When can drug patent challenges be filed against ZEPBOUND (AUTOINJECTOR)?
Generic name: tirzepatide
NCE-1 Date: May 2026
ZEPBOUND (AUTOINJECTOR) is a drug marketed by Eli Lilly And Co. There are three patents protecting this drug.
This drug has one hundred and seventeen patent family members in forty-four countries.
The generic ingredient in ZEPBOUND (AUTOINJECTOR) is tirzepatide. Additional details are available on the tirzepatide profile page.
When can drug patent challenges be filed against VTAMA?
Generic name: tapinarof
NCE-1 Date: May 2026
This drug has seventy-eight patent family members in thirty-nine countries. There has been litigation on patents covering VTAMA
See drug price trends for VTAMA.
The generic ingredient in VTAMA is tapinarof. Additional details are available on the tapinarof profile page.
When can drug patent challenges be filed against ZTALMY?
Generic name: ganaxolone
NCE-1 Date: June 2026
ZTALMY is a drug marketed by Marinus. There are nine patents protecting this drug.
This drug has forty-five patent family members in sixteen countries.
See drug price trends for ZTALMY.
The generic ingredient in ZTALMY is ganaxolone. Additional details are available on the ganaxolone profile page.
When can drug patent challenges be filed against AMVUTTRA?
Generic name: vutrisiran sodium
NCE-1 Date: June 2026
AMVUTTRA is a drug marketed by Alnylam Pharms Inc. There are thirteen patents protecting this drug.
This drug has two hundred and thirty-seven patent family members in forty-seven countries. There has been litigation on patents covering AMVUTTRA
See drug price trends for AMVUTTRA.
The generic ingredient in AMVUTTRA is vutrisiran sodium. Additional details are available on the vutrisiran sodium profile page.
When can drug patent challenges be filed against BLUDIGO?
Generic name: indigotindisulfonate sodium
NCE-1 Date: July 2026
BLUDIGO is a drug marketed by Provepharm Sas. There are three patents protecting this drug.
This drug has two patent family members in two countries.
See drug price trends for BLUDIGO.
The generic ingredient in BLUDIGO is indigotindisulfonate sodium. There are two drug master file entries for this API. Additional details are available on the indigotindisulfonate sodium profile page.
