Pharsight

Eisai Inc patents expiration

1. Aricept patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US6140321 EISAI INC Polymorphs of donepezil hydrochloride and process for production
Dec, 2016

(7 years ago)

US5985864 EISAI INC Polymorphs of donepezil hydrochloride and process for production
Dec, 2016

(7 years ago)

US6245911 EISAI INC Donepezil polycrystals and process for producing the same
Dec, 2018

(5 years ago)

US8481565 EISAI INC Method for stabilizing anti-dementia drug
Oct, 2026

(2 years from now)

Drugs and Companies using DONEPEZIL HYDROCHLORIDE ingredient

Market Authorisation Date: 25 November, 1996

Treatment: NA

Dosage: TABLET;ORAL

How can I launch a generic of ARICEPT before it's drug patent expiration?
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ARICEPT family patents

Family Patents

2. Aricept Odt patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US7727552 EISAI INC Oral pharmaceutical preparations decreased in bitterness by masking
Mar, 2018

(6 years ago)

US7727548 EISAI INC Rapidly disintegrable tablet containing polyvinyl alcohol
Jun, 2022

(1 year, 9 months ago)

Drugs and Companies using DONEPEZIL HYDROCHLORIDE ingredient

Market Authorisation Date: 18 October, 2004

Treatment: Administration of approved product for treatment of alzheimer's disease

Dosage: TABLET, ORALLY DISINTEGRATING;ORAL

How can I launch a generic of ARICEPT ODT before it's drug patent expiration?
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ARICEPT ODT family patents

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3. Banzel patents expiration

BANZEL Litigations
Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US6740669 EISAI INC Crystal modification of 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxamide and its use as antiepileptic
Nov, 2022

(1 year, 5 months ago)

These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8076362 EISAI INC Crystal modification A of 1-(2,6-difluorobenzyI)-1 H-1,2,3-triazole-4-carboxamide and dosage forms and formulations thereof
Jun, 2018

(5 years ago)

US7750028 EISAI INC Crystal modifications of 1-(2,6-difluorobenzyl)-1H-1, 2,3-triazole-4-carboxamide
Oct, 2018

(5 years ago)

US8076362

(Pediatric)

EISAI INC Crystal modification A of 1-(2,6-difluorobenzyI)-1 H-1,2,3-triazole-4-carboxamide and dosage forms and formulations thereof
Dec, 2018

(5 years ago)

US7750028

(Pediatric)

EISAI INC Crystal modifications of 1-(2,6-difluorobenzyl)-1H-1, 2,3-triazole-4-carboxamide
Apr, 2019

(5 years ago)

US6740669

(Pediatric)

EISAI INC Crystal modification of 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxamide and its use as antiepileptic
May, 2023

(11 months ago)

Drug Exclusivity Drug Exclusivity Expiration
Pediatric Exclusivity(PED) May 14, 2016
New Chemical Entity Exclusivity(NCE) Nov 14, 2013
Orphan Drug Exclusivity(ODE) Nov 14, 2015

Drugs and Companies using RUFINAMIDE ingredient

NCE-1 date: 15 May, 2015

Market Authorisation Date: 14 November, 2008

Treatment: Treatment of epilepsy

Dosage: TABLET;ORAL; SUSPENSION;ORAL

How can I launch a generic of BANZEL before it's drug patent expiration?
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BANZEL family patents

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4. Belviq patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US8367657 EISAI INC Processes for preparing 3-benzazepines
Apr, 2023

(1 year, 10 days ago)

US6953787 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8546379 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US7977329 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8697686 EISAI INC Crystalline forms of (R)-8-chloro-1-methyl-2,3,4,5-thtrahydro-1H-3-benzazepine hydrochloride
Dec, 2025

(1 year, 8 months from now)

US8168624 EISAI INC Crystalline forms of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride
Apr, 2029

(4 years from now)

These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8575149 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8207158 EISAI INC 5HT2c receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8273734 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US7514422 EISAI INC 5HT2c receptor modulators
Apr, 2023

(1 year, 10 days ago)

US7169401 EISAI INC Topical skin care composition containing refined peanut oil
Jul, 2023

(9 months ago)

US8946207 EISAI INC Processes for preparing 3-benzazepines
Jun, 2024

(a month from now)

US8980881 EISAI INC Crystalline forms of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride
Dec, 2025

(1 year, 8 months from now)

US9770455 EISAI INC Administration of an anti-obesity compound to individuals with renal impairment
Aug, 2031

(7 years from now)

US9169213 EISAI INC Method of weight management
Dec, 2032

(8 years from now)

US8999970 EISAI INC Administration of an anti-obesity compound to individuals with renal impairment
Feb, 2033

(8 years from now)

Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) Jun 27, 2017

Drugs and Companies using LORCASERIN HYDROCHLORIDE ingredient

NCE-1 date: 27 June, 2016

Market Authorisation Date: 27 June, 2012

Treatment: Method for chronic weight management; Method for chronic weight management by controlling weight gain; Method for chronic weight management by treating obesity; Method for chronic weight management in...

Dosage: TABLET;ORAL

How can I launch a generic of BELVIQ before it's drug patent expiration?
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BELVIQ family patents

Family Patents

5. Belviq Xr patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US6953787 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8367657 EISAI INC Processes for preparing 3-benzazepines
Apr, 2023

(1 year, 10 days ago)

US7977329 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8546379 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8697686 EISAI INC Crystalline forms of (R)-8-chloro-1-methyl-2,3,4,5-thtrahydro-1H-3-benzazepine hydrochloride
Dec, 2025

(1 year, 8 months from now)

US8168624 EISAI INC Crystalline forms of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride
Apr, 2029

(4 years from now)

These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US7514422 EISAI INC 5HT2c receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8273734 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8207158 EISAI INC 5HT2c receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8575149 EISAI INC 5HT2C receptor modulators
Apr, 2023

(1 year, 10 days ago)

US8946207 EISAI INC Processes for preparing 3-benzazepines
Jun, 2024

(a month from now)

US8980881 EISAI INC Crystalline forms of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride
Dec, 2025

(1 year, 8 months from now)

US10226471 EISAI INC Modified-release dosage forms of 5-HT2C agonists useful for weight management
Aug, 2031

(7 years from now)

US9770455 EISAI INC Administration of an anti-obesity compound to individuals with renal impairment
Aug, 2031

(7 years from now)

US10463676 EISAI INC Modified-release dosage forms of 5-HT2C agonists useful for weight management
Aug, 2031

(7 years from now)

US9169213 EISAI INC Method of weight management
Dec, 2032

(8 years from now)

US8999970 EISAI INC Administration of an anti-obesity compound to individuals with renal impairment
Feb, 2033

(8 years from now)

Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) Jun 27, 2017

Drugs and Companies using LORCASERIN HYDROCHLORIDE ingredient

NCE-1 date: 27 June, 2016

Market Authorisation Date: 15 July, 2016

Treatment: Method for chronic weight management by treating obesity; Method for chronic weight management by controlling weight gain; Method for chronic weight management; Method for chronic weight management in...

Dosage: TABLET, EXTENDED RELEASE;ORAL

How can I launch a generic of BELVIQ XR before it's drug patent expiration?
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BELVIQ XR family patents

Family Patents

6. Dayvigo patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US8268848 EISAI INC Cyclopropane compound
Sep, 2031

(7 years from now)

These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US10188652 EISAI INC Compositions and methods for treating insomnia
Oct, 2035

(11 years from now)

Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) Apr 07, 2025
M(M-293) Apr 20, 2026

Drugs and Companies using LEMBOREXANT ingredient

NCE-1 date: 07 April, 2024

Market Authorisation Date: 07 April, 2020

Treatment: Treatment of adult patients with insomnia, characterized by difficulties with sleep onset and/or sleep maintenance

Dosage: TABLET;ORAL

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DAYVIGO family patents

Family Patents

7. Halaven patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US6214865 EISAI INC Macrocyclic analogs and methods of their use and preparation
Jul, 2023

(8 months ago)

These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US6469182 EISAI INC Intermediates in the preparation of macrocyclic analogs
Jun, 2019

(4 years ago)

US7470720 EISAI INC Methods and compositions for use in treating cancer
Jun, 2019

(4 years ago)

US8097648 EISAI INC Methods and compositions for use in treating cancer
Jan, 2021

(3 years ago)

US6214865

(Pediatric)

EISAI INC Macrocyclic analogs and methods of their use and preparation
Jan, 2024

(2 months ago)

USRE46965 EISAI INC Intermediates for the preparation of analogs of Halichondrin B
Jan, 2027

(2 years from now)

USRE46965

(Pediatric)

EISAI INC Intermediates for the preparation of analogs of Halichondrin B
Jul, 2027

(3 years from now)

Drug Exclusivity Drug Exclusivity Expiration
M(M-280) Sep 13, 2025
Pediatric Exclusivity(PED) Mar 13, 2026
New Indication(I-721) Jan 28, 2019
Orphan Drug Exclusivity(ODE) Jan 28, 2023
Orphan Drug Exclusivity(ODE-107) Jan 28, 2023
New Chemical Entity Exclusivity(NCE) Nov 15, 2015

Drugs and Companies using ERIBULIN MESYLATE ingredient

NCE-1 date: 13 March, 2025

Market Authorisation Date: 15 November, 2010

Treatment: Treatment of patients with metastatic breast cancer

Dosage: SOLUTION;INTRAVENOUS

How can I launch a generic of HALAVEN before it's drug patent expiration?
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HALAVEN family patents

Family Patents

8. Lenvima patents expiration

LENVIMA's oppositions filed in EPO
Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US7253286 EISAI INC Nitrogen-containing aromatic derivatives
Oct, 2025

(1 year, 6 months from now)

US7612208 EISAI INC Crystalline form of the salt of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide or the solvate of the salt and a process for preparing the same
Sep, 2026

(2 years from now)

US11186547 EISAI INC High-purity quinoline derivative and method for manufacturing same
Aug, 2035

(11 years from now)

US10407393 EISAI INC High-purity quinoline derivative and method for manufacturing same
Aug, 2035

(11 years from now)

US10259791 EISAI INC High-purity quinoline derivative and method for manufacturing same
Aug, 2035

(11 years from now)

These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US9006256 EISAI INC Antitumor agent for thyroid cancer
Jul, 2027

(3 years from now)

US11090386 EISAI INC Method for suppressing bitterness of quinoline derivative
Feb, 2036

(11 years from now)

Drug Exclusivity Drug Exclusivity Expiration
Orphan Drug Exclusivity(ODE-196) Aug 15, 2025
M(M-269) Jul 21, 2024
New Indication(I-868) Aug 10, 2024
M(M-272) Dec 19, 2024
Pediatric Exclusivity(PED) Feb 15, 2026
Orphan Drug Exclusivity(ODE) Feb 13, 2022
New Indication(I-734) May 13, 2019
Orphan Drug Exclusivity(ODE-87) Feb 13, 2022
New Indication(I-787) Aug 15, 2021
New Indication(I-807) Sep 17, 2022
New Chemical Entity Exclusivity(NCE) Feb 13, 2020

Drugs and Companies using LENVATINIB MESYLATE ingredient

NCE-1 date: 15 February, 2025

Market Authorisation Date: 13 February, 2015

Treatment: Method for treating thyroid carcinoma including differentiated thyroid cancer; Treatment with lenvima by administering lenvima as a suspension

Dosage: CAPSULE;ORAL

How can I launch a generic of LENVIMA before it's drug patent expiration?
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LENVIMA family patents

Family Patents

9. Lusedra patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US6872838 EISAI INC Water soluble prodrugs of hindered alcohols
Aug, 2018

(5 years ago)

US6204257 EISAI INC Water soluble prodrugs of hindered alcohols
Jul, 2022

(1 year, 9 months ago)

Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) Dec 12, 2013

Drugs and Companies using FOSPROPOFOL DISODIUM ingredient

NCE-1 date: 12 December, 2012

Market Authorisation Date: 12 December, 2008

Treatment: Sedative-hypnotic agent indicated for monitored anesthesia care (mac) sedation

Dosage: SOLUTION;INTRAVENOUS

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LUSEDRA family patents

Family Patents