Levocarnitine is Used for treating and preventing carnitine deficiency in end stage renal disease patients undergoing dialysis. It was first introduced by Leadiant Biosciences Inc in its drug Carnitor on Dec 27, 1985. Another drug containing Levocarnitine is Carnitor Sf. 8 different companies have introduced drugs containing Levocarnitine.

Levocarnitine Patents

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

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Drug Used in	Drug Patent Number	Drug Patent Title	Drug Patent Expiry	Drug Owner
Carnitor	US6335369	Treating chronic uremic patients undergoing periodical dialysis	Jan 18, 2021 (Expired)	Leadiant Biosci Inc
Carnitor	US6429230	Treating chronic uremic patients undergoing periodical dialysis	Jan 18, 2021 (Expired)	Leadiant Biosci Inc
Carnitor	US6696493	Treating chronic uremic patients undergoing periodic dialysis	Jan 18, 2021 (Expired)	Leadiant Biosci Inc

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Levocarnitine's Family Patents

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Levocarnitine Generic API Manufacturers

Several generic applications have been filed for Levocarnitine. The first generic version for Levocarnitine was by Teva Pharmaceuticals Usa and was approved on Mar 29, 2001. And the latest generic version is by Deva Holding As and was approved on Jun 30, 2025.

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