Last Updated: September 29, 2026

Helsinn Company Profile

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What is the competitive landscape for HELSINN

HELSINN has six approved drugs.

There are thirty-two US patents protecting HELSINN drugs.

Summary for Helsinn

US Patents:	32
Tradenames:	4
Ingredients:	5
NDAs:	6
Patent Litigation for Helsinn:	See patent lawsuits for Helsinn
PTAB Cases with Helsinn as patent owner:	See PTAB cases with Helsinn as patent owner

Drugs and US Patents for Helsinn

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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
Helsinn Hlthcare	AKYNZEO	fosnetupitant chloride hydrochloride; palonosetron hydrochloride	POWDER;INTRAVENOUS	210493-001	Apr 19, 2018		DISCN	Yes	No	9,908,907	⤷ Start Trial	Y	Y		⤷ Start Trial
Helsinn Hlthcare	AKYNZEO	fosnetupitant chloride hydrochloride; palonosetron hydrochloride	POWDER;INTRAVENOUS	210493-001	Apr 19, 2018		DISCN	Yes	No	8,895,586	⤷ Start Trial				⤷ Start Trial
Helsinn Hlthcare	AKYNZEO	netupitant; palonosetron hydrochloride	CAPSULE;ORAL	205718-001	Oct 10, 2014		RX	Yes	Yes	8,951,969	⤷ Start Trial	Y			⤷ Start Trial
Helsinn Hlthcare	AKYNZEO	netupitant; palonosetron hydrochloride	CAPSULE;ORAL	205718-001	Oct 10, 2014		RX	Yes	Yes	12,042,494	⤷ Start Trial	Y			⤷ Start Trial
Helsinn Hlthcare	AKYNZEO	fosnetupitant chloride hydrochloride; palonosetron hydrochloride	POWDER;INTRAVENOUS	210493-001	Apr 19, 2018		DISCN	Yes	No	9,403,772	⤷ 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

Expired US Patents for Helsinn

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Helsinn Hlthcare	AKYNZEO	netupitant; palonosetron hydrochloride	CAPSULE;ORAL	205718-001	Oct 10, 2014	6,297,375	⤷ Start Trial
Helsinn Hlthcare	AKYNZEO	netupitant; palonosetron hydrochloride	CAPSULE;ORAL	205718-001	Oct 10, 2014	5,202,333	⤷ Start Trial
Helsinn	VALCHLOR	mechlorethamine hydrochloride	GEL;TOPICAL	202317-001	Aug 23, 2013	9,382,191	⤷ Start Trial
Helsinn	VALCHLOR	mechlorethamine hydrochloride	GEL;TOPICAL	202317-001	Aug 23, 2013	7,838,564	⤷ Start Trial
Helsinn Hlthcare	ALOXI	palonosetron hydrochloride	INJECTABLE;INTRAVENOUS	021372-002	Feb 29, 2008	9,125,905	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for Helsinn Drugs

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Country	Patent Number	Estimated Expiration
European Patent Office	3197871	⤷ Start Trial
Jordan	3202	⤷ Start Trial
Japan	2016147868	⤷ Start Trial
Norway	20070432	⤷ Start Trial
Ecuador	SP14003642	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

Supplementary Protection Certificates for Helsinn Drugs

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
2785706	20C1029	France	⤷ Start Trial	PRODUCT NAME: FOSNETUPITANT OU UN DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES, EN PARTICULIER LE SEL DE CHLORHYDRATE DE CHLORURE DE FOSNETUPITANT; REGISTRATION NO/DATE: EU/1/15/1001 20200318
1858864	2017C/033	Belgium	⤷ Start Trial	DETAILS ASSIGNMENT: CHANGE OF OWNER(S), CESSION
1858864	36/2017	Austria	⤷ Start Trial	PRODUCT NAME: CHLORMETHIN; REGISTRATION NO/DATE: EU/1/16/1171 (MITTEILUNG) 20170307
2785706	CR 2020 00028	Denmark	⤷ Start Trial	PRODUCT NAME: FOSNETUPITANT OG FARMACEUTISK ACCEPTABLE SALTE ELLER SOLVATER HERAF, SAERLIGT FOSNETUPITANT KLORID HYDROKLORID; REG. NO/DATE: EU/1/15/1001 20200318
2785706	2020030	Norway	⤷ Start Trial	PRODUCT NAME: FOSNETUPITANT OG FARMASOEYTISK AKSEPTABLE SALTER OG SOLVATER DERAV SPESIELT FOSNETUPITANT KLORID HYDROKLORID; REG. NO/DATE: EU/1/15/1001 20200318
>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.

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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.