Last Updated: November 8, 2026

Ligand Pharms Company Profile

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What is the competitive landscape for LIGAND PHARMS

LIGAND PHARMS has one approved drug.

There are three US patents protecting LIGAND PHARMS drugs.

Summary for Ligand Pharms

US Patents:	3
Tradenames:	1
Ingredients:	1
NDAs:	1

Drugs and US Patents for Ligand Pharms

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Ligand Pharms	SITAVIG	acyclovir	TABLET;BUCCAL	203791-001	Apr 12, 2013		DISCN	Yes	No	8,791,127	⤷ Start Trial	Y			⤷ Start Trial
Ligand Pharms	SITAVIG	acyclovir	TABLET;BUCCAL	203791-001	Apr 12, 2013		DISCN	Yes	No	8,592,434	⤷ Start Trial	Y			⤷ Start Trial
Ligand Pharms	SITAVIG	acyclovir	TABLET;BUCCAL	203791-001	Apr 12, 2013		DISCN	Yes	No	8,747,896	⤷ 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.	>Exclusivity Expiration

International Patents for Ligand Pharms Drugs

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Country	Patent Number	Estimated Expiration
World Intellectual Property Organization (WIPO)	2007110778	⤷ Start Trial
China	101410092	⤷ Start Trial
New Zealand	571156	⤷ Start Trial
Argentina	060085	⤷ Start Trial
Germany	602007002996	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

Supplementary Protection Certificates for Ligand Pharms Drugs

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0809498	SPC/GB10/012	United Kingdom	⤷ Start Trial	PRODUCT NAME: A COMBINATION OF ACYCLOVIR AND HYDROCORTISONE; REGISTERED: UK PL18191/0001-0001 20091112
0809498	10C0038	France	⤷ Start Trial	PRODUCT NAME: ACYCLOVIR ET HYDROCORTISONE; NAT. REGISTRATION NO/DATE: NL 36 826 20100420; FIRST REGISTRATION: SK - 2108/08467-R 20091026
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

Similar Applicant Names

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

Ligand Pharms

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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.