Valacyclovir Hydrochloride Patent Expiration

Valacyclovir Hydrochloride is Used for treating herpes infections and reducing transmission risk. It was first introduced by Glaxosmithkline in its drug Valtrex on Jun 23, 1995. 17 different companies have introduced drugs containing Valacyclovir Hydrochloride.


Valacyclovir Hydrochloride Patents

Given below is the list of patents protecting Valacyclovir Hydrochloride, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Valtrex US5879706

(Pediatric)

Valaciclovir tablets containing colloidal silicon dioxide Jul 19, 2016

(Expired)

Glaxosmithkline
Valtrex US6107302

(Pediatric)

Guanine derivative Jul 19, 2016

(Expired)

Glaxosmithkline
Valtrex US5879706 Valaciclovir tablets containing colloidal silicon dioxide Jan 19, 2016

(Expired)

Glaxosmithkline
Valtrex US6107302 Guanine derivative Jan 19, 2016

(Expired)

Glaxosmithkline



Valacyclovir Hydrochloride's Family Patents

Family Patents

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Valacyclovir Hydrochloride Generic API Manufacturers

Several generic applications have been filed for Valacyclovir Hydrochloride. The first generic version for Valacyclovir Hydrochloride was by Sun Pharmaceutical Industries Ltd and was approved on Jan 31, 2007. And the latest generic version is by Yiling Pharmaceutical Ltd and was approved on Mar 18, 2020.

Given below is the list of companies who have filed for Valacyclovir Hydrochloride generic, along with the locations of their manufacturing plants worldwide.