Last Updated: September 25, 2026

Details for Patent: 8,575,135


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Which drugs does patent 8,575,135 protect, and when does it expire?

Patent 8,575,135 protects EPCLUSA and VOSEVI and is included in three NDAs.

Protection for EPCLUSA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has one hundred and thirty patent family members in forty countries.

Summary for Patent: 8,575,135
Title:Antiviral compounds
Abstract:The disclosure is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
Inventor(s):Elizabeth M. Bacon, Jeromy J. Cottell, Ashley Anne Katana, Darryl Kato, Evan S. Krygowski, John O. Link, James Taylor, Chinh Viet Tran, Teresa Alejandra Trejo Martin, Zheng-Yu Yang, Sheila Zipfel
Assignee: Gilead Sciences Inc
Application Number:US13/783,056
Patent Claim Types:
see list of patent claims
Use; Composition;

Drugs Protected by US Patent 8,575,135

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir PELLETS;ORAL 214187-001 Jun 10, 2021 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir PELLETS;ORAL 214187-002 Jun 10, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir TABLET;ORAL 208341-002 Mar 19, 2020 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir TABLET;ORAL 208341-001 Jun 28, 2016 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc VOSEVI sofosbuvir; velpatasvir; voxilaprevir TABLET;ORAL 209195-001 Jul 18, 2017 RX Yes Yes ⤷  Start Trial ⤷  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. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 8,575,135

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2635588 ⤷  Start Trial C02635588/01 Switzerland ⤷  Start Trial
Argentina 083711 ⤷  Start Trial
Australia 2011328980 ⤷  Start Trial
Australia 2012318253 ⤷  Start Trial
Australia 2015243078 ⤷  Start Trial
Australia 2017202461 ⤷  Start Trial
Australia 2019201939 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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