Last Updated: November 8, 2026

Lannett Company Profile

What is the competitive landscape for LANNETT

LANNETT has one hundred and thirty-two approved drugs.

There are two tentative approvals on LANNETT drugs.

Summary for Lannett

US Patents:	0
Tradenames:	97
Ingredients:	93
NDAs:	132
Patent Litigation for Lannett:	See patent lawsuits for Lannett
PTAB Cases with Lannett as petitioner:	See PTAB cases with Lannett as petitioner

Drugs and US Patents for Lannett

+ Get email alerts for changes to this table

Glossary

Subscribe to access the full database, or Start Trial
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Lannett	SULFISOXAZOLE	sulfisoxazole	TABLET;ORAL	080085-001	Approved Prior to Jan 1, 1982		DISCN	No	No		⤷ Start Trial				⤷ Start Trial
Lannett Co Inc	LOXAPINE SUCCINATE	loxapine succinate	CAPSULE;ORAL	090695-003	Sep 26, 2011	AB	RX	No	No		⤷ Start Trial				⤷ Start Trial
Lannett	AMPHETAMINE SULFATE	amphetamine sulfate	TABLET;ORAL	083901-002	Aug 31, 1984		DISCN	Yes	No		⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

Expired US Patents for Lannett

Subscribe to access the full database, or Start Trial
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Lannett	METADATE CD	methylphenidate hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	021259-004	Feb 19, 2006	6,344,215	⤷ Start Trial
Lannett	METADATE CD	methylphenidate hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	021259-003	May 27, 2003	6,344,215	⤷ Start Trial
Lannett	METADATE CD	methylphenidate hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	021259-002	Jun 19, 2003	6,344,215	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

Paragraph IV (Patent) Challenges for LANNETT drugs

Drugname	Dosage	Strength	Tradename	Submissiondate
➤ Subscribe	Extended-release Capsules	40 mg	➤ Subscribe	2007-03-15
➤ Subscribe	Extended-release Capsules	10 mg, 20 mg and 30 mg	➤ Subscribe	2005-05-13
➤ Subscribe	Delayed-release Tablets	20 mg	➤ Subscribe	2015-06-03

Similar Applicant Names

Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.