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Zydelig patents expiration

ZYDELIG'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.
US6800620 GILEAD SCIENCES INC Inhibitors of human phosphatidylinositol 3-kinase delta
Apr, 2021

(3 years ago)

US8138195 GILEAD SCIENCES INC Inhibitors of human phosphatidylinositol 3-kinase delta
Apr, 2021

(3 years ago)

US8637533 GILEAD SCIENCES INC Inhibitors of human phosphatidylinositol 3-kinase delta
Apr, 2021

(3 years ago)

US6949535 GILEAD SCIENCES INC Inhibitors of human phosphatidyl-inositol 3-kinase delta
Apr, 2021

(3 years ago)

US8492389 GILEAD SCIENCES INC Inhibitors of human phosphatidylinositol 3-kinase delta
Apr, 2021

(3 years ago)

USRE44638 GILEAD SCIENCES INC Quinazolinones as inhibitors of human phosphatidylinositol 3-kinase delta
Aug, 2025

(1 year, 3 months from now)

US10730879 GILEAD SCIENCES INC Polymorphic forms of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one
Mar, 2033

(8 years from now)

US8865730 GILEAD SCIENCES INC Polymorphic forms of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one
Mar, 2033

(8 years from now)

US9469643 GILEAD SCIENCES INC Polymorphic forms of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one
Sep, 2033

(9 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).
US8980901 GILEAD SCIENCES INC 5-fluoro-3-phenyl-2[1-(9H-purin-6-ylamino)propyl]-3H-quinazolin-4-one and 6-fluoro-3-phenyl-2-[1-(9H-purin-6-ylamino)ethyl]-3H-quinazolin-4-one as inhibitors of human phosphatidylinositol 3-kinase delta
May, 2025

(1 year, 17 days from now)

US9149477 GILEAD SCIENCES INC 5-fluoro-3-phenyl-2-[1-(9h-purin-6-ylamino)propyl]-3h-quinazolin-4-one as an inhibitor of human phosphatidylinositol 3-kinase delta
May, 2025

(1 year, 17 days from now)

USRE44599 GILEAD SCIENCES INC Quinazolinones as inhibitors of human phosphatidylinositol 3-kinase delta
Jul, 2025

(1 year, 2 months from now)

US9492449 GILEAD SCIENCES INC Therapies for hematologic malignancies
Mar, 2030

(5 years from now)

Zydelig is owned by Gilead Sciences Inc.

Zydelig contains Idelalisib.

Zydelig has a total of 13 drug patents out of which 5 drug patents have expired.

Expired drug patents of Zydelig are:

  • US6800620
  • US8138195
  • US8637533
  • US6949535
  • US8492389

Zydelig was authorised for market use on 23 July, 2014.

Zydelig is available in tablet;oral dosage forms.

Zydelig can be used as a method of disrupting leukocyte function, including as an inhibitor of pi3kdelta kinase, for the treatment of patients with relapsed chronic lymphocytic leukemia, in combination with rituximab, for the treatment of patients with relapsed chronic lymphocytic leukemia (cll), for the treatment of patients with cll, fl, or sll, inhibition on pi3k kinase.

Drug patent challenges can be filed against Zydelig from 23 July, 2018.

The generics of Zydelig are possible to be released after 02 September, 2033.

Drug Exclusivity Drug Exclusivity Expiration
Orphan Drug Exclusivity(ODE) Jul 23, 2021
New Chemical Entity Exclusivity(NCE) Jul 23, 2019
Orphan Drug Exclusivity(ODE-70) Jul 23, 2021
Orphan Drug Exclusivity(ODE-71) Jul 23, 2021

Drugs and Companies using IDELALISIB ingredient

NCE-1 date: 23 July, 2018

Market Authorisation Date: 23 July, 2014

Treatment: For the treatment of patients with cll, fl, or sll; Inhibition on pi3k kinase; In combination with rituximab, for the treatment of patients with relapsed chronic lymphocytic leukemia (cll); A method o...

Dosage: TABLET;ORAL

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ZYDELIG family patents

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