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Serving hundreds of leading biopharmaceutical companies globally:

US Army
Cipla
Daiichi Sankyo
Covington
Dow
Argus Health
Chinese Patent Office
Deloitte
QuintilesIMS

Generated: January 18, 2019

DrugPatentWatch Database Preview

Eisai Inc Company Profile

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Summary for Eisai Inc
International Patents:578
US Patents:31
Tradenames:13
Ingredients:11
NDAs:17
Drug Master File Entries: 1
Patent Litigation for Eisai Inc: See patent lawsuits for Eisai Inc

Drugs and US Patents for Eisai Inc

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Eisai Inc BELVIQ lorcaserin hydrochloride TABLET;ORAL 022529-001 Jun 27, 2012 RX Yes Yes 8,273,734 ➤ Sign Up ➤ Sign Up
Eisai Inc BELVIQ XR lorcaserin hydrochloride TABLET, EXTENDED RELEASE;ORAL 208524-001 Jul 15, 2016 RX Yes Yes 8,575,149 ➤ Sign Up ➤ Sign Up
Eisai Inc FYCOMPA perampanel TABLET;ORAL 202834-001 Oct 22, 2012 RX Yes No ➤ Sign Up ➤ Sign Up
Eisai Inc BELVIQ lorcaserin hydrochloride TABLET;ORAL 022529-001 Jun 27, 2012 RX Yes Yes 8,999,970 ➤ Sign Up ➤ Sign Up
Eisai Inc FYCOMPA perampanel TABLET;ORAL 202834-002 Oct 22, 2012 RX Yes No ➤ Sign Up ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration

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Expired US Patents for Eisai Inc

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Eisai Inc ACIPHEX rabeprazole sodium TABLET, DELAYED RELEASE;ORAL 020973-001 May 29, 2002 5,035,899 ➤ Sign Up
Eisai Inc ARICEPT ODT donepezil hydrochloride TABLET, ORALLY DISINTEGRATING;ORAL 021720-002 Oct 18, 2004 4,895,841 ➤ Sign Up
Eisai Inc ARICEPT donepezil hydrochloride TABLET;ORAL 020690-001 Nov 25, 1996 6,140,321 ➤ Sign Up
Eisai Inc PANRETIN alitretinoin GEL;TOPICAL 020886-001 Feb 2, 1999 5,932,622 ➤ Sign Up
Eisai Inc BANZEL rufinamide TABLET;ORAL 021911-001 Nov 14, 2008 8,076,362*PED ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration

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Paragraph IV (Patent) Challenges for EISAI INC drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Tablets 23 mg ➤ Subscribe 2013-07-09
➤ Subscribe Oral Suspension 40 mg/mL ➤ Subscribe 2014-06-16
➤ Subscribe Extended-release Tablets 20 mg ➤ Subscribe 2016-12-13
➤ Subscribe Tablets 10 mg ➤ Subscribe 2016-06-27
➤ Subscribe Tablets 100 mg, 200 mg and 400 mg ➤ Subscribe 2012-11-14
➤ Subscribe Tablets 2 mg, 4 mg, 6 mg, 8 mg, 10 mg and 12 mg ➤ Subscribe 2016-10-24
➤ Subscribe Orally Disintegrating Tablets 5 mg and 10 mg ➤ Subscribe 2010-06-30
Premature patent expirations for EISAI INC

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
➤ Sign Up ➤ Sign Up

Supplementary Protection Certificates for Eisai Inc Drugs

Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
858 Luxembourg ➤ Sign Up PRODUCT NAME: LENVATINIB, OU UN DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES OU UN HYDRATE DE CELUI-CI
2013017,C1764361 Lithuania ➤ Sign Up PRODUCT NAME: PERAMPANELUM; REGISTRATION NO/DATE: EU/1/12/776/001 - EU/1/12/776/016, 2012 07 23 EU/1/12/776/017 - EU1/12/776/023 20121029
2015039,C1698623 Lithuania ➤ Sign Up PRODUCT NAME: LENVATINIBAS; REGISTRATION NO/DATE: EU/1/15/1002/001 - 002 20150528
15/050 Ireland ➤ Sign Up PRODUCT NAME: LENVATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF OR A HYDRATE THEREOF; REGISTRATION NO/DATE: EU/1/15/1002/001-/002 20150528
C0037 France ➤ Sign Up PRODUCT NAME: MODIFICATION CRISTALLINE A DU RUFINAMIDE; REGISTRATION NO/DATE IN FRANCE: EU/1/06/378/001 DU 20070116; REGISTRATION NO/DATE AT EEC: EU/1/06/378/001-016 DU 20070116
Supplementary Protection Certificate SPC Country SPC Expiration SPC Description

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Similar Applicant Names
Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

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Serving hundreds of leading biopharmaceutical companies globally:

Daiichi Sankyo
Covington
Colorcon
Medtronic
Cipla
AstraZeneca
Harvard Business School
Moodys
Express Scripts

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 verifification 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.