Last Updated: August 2, 2026

Astellas Company Profile


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Summary for Astellas
International Patents:467
US Patents:31
Tradenames:21
Ingredients:16
NDAs:37
Patent Litigation for Astellas: See patent lawsuits for Astellas

Drugs and US Patents for Astellas

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Astellas XTANDI enzalutamide TABLET;ORAL 213674-001 Aug 4, 2020 AB RX Yes No 11,839,689 ⤷  Start Trial Y ⤷  Start Trial
Astellas ARISTOCORT A triamcinolone acetonide CREAM;TOPICAL 083015-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial
Astellas ASTAGRAF XL tacrolimus CAPSULE, EXTENDED RELEASE;ORAL 204096-002 Jul 19, 2013 AB RX Yes No ⤷  Start Trial ⤷  Start Trial
Astellas ARISTOCORT A triamcinolone acetonide OINTMENT;TOPICAL 080750-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial
Astellas LEXISCAN regadenoson SOLUTION;INTRAVENOUS 022161-001 Apr 10, 2008 AP RX Yes Yes 8,106,183 ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for Astellas

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Astellas LEXISCAN regadenoson SOLUTION;INTRAVENOUS 022161-001 Apr 10, 2008 6,642,210 ⤷  Start Trial
Astellas LEXISCAN regadenoson SOLUTION;INTRAVENOUS 022161-001 Apr 10, 2008 8,133,879 ⤷  Start Trial
Astellas ASTAGRAF XL tacrolimus CAPSULE, EXTENDED RELEASE;ORAL 204096-002 Jul 19, 2013 6,576,259 ⤷  Start Trial
Astellas IZERVAY avacincaptad pegol sodium SOLUTION;INTRAVITREAL 217225-001 Aug 4, 2023 7,803,931 ⤷  Start Trial
Astellas XTANDI enzalutamide TABLET;ORAL 213674-002 Aug 4, 2020 9,126,941 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration
Paragraph IV (Patent) Challenges for ASTELLAS drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Capsules 40 mg ➤ Subscribe 2016-08-31
➤ Subscribe Injection 3 mg/mL, 20 mL and 30 mL vials ➤ Subscribe 2005-04-18
➤ Subscribe Injection 0.08 mg/mL, 5 mL vial ➤ Subscribe 2012-04-10
➤ Subscribe Extended-release Capsules 0.5 mg, 1 mg, and 5 mg ➤ Subscribe 2013-11-15
➤ Subscribe For Injection 50 mg/vial and 100 mg/vial ➤ Subscribe 2014-06-16
➤ Subscribe Injection 3 mg/mL, 20 mL and 30 mL vials ➤ Subscribe 2005-04-16
➤ Subscribe Tablets 5 mg and 10 mg ➤ Subscribe 2009-04-08

Supplementary Protection Certificates for Astellas Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2428508 8/2020 Austria ⤷  Start Trial PRODUCT NAME: GILTERITINIB ODER EIN SALZ DAVON; REGISTRATION NO/DATE: EU/1/19/1399 (MITTEILUNG) 20191028
0788511 SPC/GB08/036 United Kingdom ⤷  Start Trial PRODUCT NAME: MICAFUNGIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF IN PARTICULAR MICAFUNGIN SODIUM; REGISTERED: UK EU/1/08/448/001 20080425; UK EU/1/08/448/002 20080425
2948455 202440015 Slovenia ⤷  Start Trial PRODUCT NAME: FEZOLINETANT; NATIONAL AUTHORISATION NUMBER: EU/1/23/1771/001-003; DATE OF NATIONAL AUTHORISATION: 20231207; AUTHORITY FOR NATIONAL AUTHORISATION: EU
2428508 CR 2020 00006 Denmark ⤷  Start Trial PRODUCT NAME: GILTERITINIB ELLER ET SALT DERAF; REG. NO/DATE: EU/1/19/1399 20191028
2948455 C202430026 Spain ⤷  Start Trial PRODUCT NAME: FEZOLINETANT; NATIONAL AUTHORISATION NUMBER: EU/1/23/1771; DATE OF AUTHORISATION: 20231207; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/23/1771; DATE OF FIRST AUTHORISATION IN EEA: 20231207
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Similar Applicant Names
Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

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