Levonorgestrel is Used for preventing pregnancy with the intrauterine system (IUS). It was first introduced by Population Council in its drug Norplant on Dec 10, 1990. Other drugs containing Levonorgestrel are Liletta, Plan B, Norplant System In Plastic Container, Skyla, Levonorgestrel, Mirena, Jadelle, Kyleena, Plan B One-Step. 20 different companies have introduced drugs containing Levonorgestrel.

Levonorgestrel Patents

Given below is the list of patents protecting Levonorgestrel, 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
Liletta	US11571328	IUD insertion devices	Sep 07, 2040	Medicines360
Liletta	US10028858	Intrauterine systems, IUD insertion devices, and related methods and kits therefor	Mar 22, 2034	Medicines360
Liletta	US11090186	Methods for using intrauterine systems and IUD insertion devices	Oct 24, 2033	Medicines360
Liletta	US12004992	Kits for intrauterine systems and IUD insertion devices	Oct 06, 2033	Medicines360
Kyleena	US10987244	Inserter	Apr 01, 2031	Bayer Hlthcare
Kyleena	US9668912	Inserter	Apr 01, 2031	Bayer Hlthcare
Mirena	US10987244	Inserter	Apr 01, 2031	Bayer Hlthcare
Mirena	US9668912	Inserter	Apr 01, 2031	Bayer Hlthcare
Skyla	US10987244	Inserter	Apr 01, 2031	Bayer Hlthcare
Skyla	US9668912	Inserter	Apr 01, 2031	Bayer Hlthcare
Kyleena	US10561524	Inserter	Sep 16, 2029	Bayer Hlthcare
Kyleena	US9615965	Inserter	Sep 16, 2029	Bayer Hlthcare
Mirena	US10561524	Inserter	Sep 16, 2029	Bayer Hlthcare
Mirena	US9615965	Inserter	Sep 16, 2029	Bayer Hlthcare
Skyla	US10561524	Inserter	Sep 16, 2029	Bayer Hlthcare
Skyla	US9615965	Inserter	Sep 16, 2029	Bayer Hlthcare
Kyleena	US11850182	Inserter	Sep 14, 2029	Bayer Hlthcare
Mirena	US11850182	Inserter	Sep 14, 2029	Bayer Hlthcare
Skyla	US11850182	Inserter	Sep 14, 2029	Bayer Hlthcare
Kyleena	US11628088	Ultrasonically detectable intrauterine system and a method for enhancing ultrasound detection	Feb 07, 2027	Bayer Hlthcare
Skyla	US11628088	Ultrasonically detectable intrauterine system and a method for enhancing ultrasound detection	Feb 07, 2027	Bayer Hlthcare
Kyleena	US7252839	Delivery system and a manufacturing process of a delivery system	Nov 13, 2023 (Expired)	Bayer Hlthcare
Skyla	US7252839	Delivery system and a manufacturing process of a delivery system	Nov 13, 2023 (Expired)	Bayer Hlthcare
Mirena	US5785053	Inserter for the positioning of an intrauterine device	Dec 05, 2015 (Expired)	Bayer Hlthcare
Skyla	US5785053	Inserter for the positioning of an intrauterine device	Dec 05, 2015 (Expired)	Bayer Hlthcare

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Levonorgestrel's Family Patents

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Levonorgestrel Generic API Manufacturers

Several generic applications have been filed for Levonorgestrel. The first generic version for Levonorgestrel was by Watson Laboratories Inc and was approved on Jun 24, 2009. And the latest generic version is by Naari Pte Ltd and was approved on May 2, 2019.

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