Last Updated: November 13, 2026

Cephalon Company Profile

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What is the competitive landscape for CEPHALON

CEPHALON has six approved drugs.

There are eleven US patents protecting CEPHALON drugs.

Summary for Cephalon

US Patents:	11
Tradenames:	6
Ingredients:	4
NDAs:	6
Patent Litigation for Cephalon:	See patent lawsuits for Cephalon
PTAB Cases with Cephalon as patent owner:	See PTAB cases with Cephalon as patent owner

Drugs and US Patents for Cephalon

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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
Cephalon	FENTORA	fentanyl citrate	TABLET;BUCCAL, SUBLINGUAL	021947-004	Sep 25, 2006		DISCN	Yes	No	7,862,833	⤷ Start Trial	Y			⤷ Start Trial
Cephalon	ACTIQ	fentanyl citrate	TROCHE/LOZENGE;TRANSMUCOSAL	020747-006	Nov 4, 1998		DISCN	Yes	No		⤷ Start Trial				⤷ Start Trial
Cephalon	FENTORA	fentanyl citrate	TABLET;BUCCAL, SUBLINGUAL	021947-005	Sep 25, 2006		DISCN	Yes	No	7,862,833	⤷ 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 Cephalon

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Cephalon	TRISENOX	arsenic trioxide	INJECTABLE;INJECTION	021248-002	Oct 13, 2017	6,723,351	⤷ Start Trial
Cephalon	FENTORA	fentanyl citrate	TABLET;BUCCAL, SUBLINGUAL	021947-005	Sep 25, 2006	6,200,604	⤷ Start Trial
Cephalon	FENTORA	fentanyl citrate	TABLET;BUCCAL, SUBLINGUAL	021947-004	Sep 25, 2006	6,974,590	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

Paragraph IV (Patent) Challenges for CEPHALON drugs

Drugname	Dosage	Strength	Tradename	Submissiondate
➤ Subscribe	Lozenges	0.2 mg	➤ Subscribe	2004-10-29
➤ Subscribe	Lozenges	0.6 mg	➤ Subscribe	2004-12-20
➤ Subscribe	Injection	25 mg/vial and 100 mg/vial	➤ Subscribe	2013-06-04
➤ Subscribe	Buccal Tablets	0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.6 mg and 0.8 mg	➤ Subscribe	2007-11-13
➤ Subscribe	Tablets	12 mg and 16 mg	➤ Subscribe	2014-01-24
➤ Subscribe	Lozenges	0.4 mg	➤ Subscribe	2004-10-06
➤ Subscribe	Lozenges	0.8 mg, 1.2 mg and 1.6 mg	➤ Subscribe	2004-11-22
➤ Subscribe	Injection	1 mg/mL	➤ Subscribe	2015-08-11
➤ Subscribe	Injection	90 mg/mL, 0.5 mL and 2 mL in single-dose vials	➤ Subscribe	2014-06-19
➤ Subscribe	Tablets	2 mg and 4 mg	➤ Subscribe	2005-02-01

International Patents for Cephalon Drugs

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Country	Patent Number	Estimated Expiration
South Africa	200606173	⤷ Start Trial
South Korea	101918188	⤷ Start Trial
European Patent Office	2574334	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

Supplementary Protection Certificates for Cephalon Drugs

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0836511	122006000022	Germany	⤷ Start Trial	PRODUCT NAME: TRANSDERMAL IONTOPHORETISCH VERABREICHTES FENTANYL-HYDROCHLORID; REGISTRATION NO/DATE: EU/1/05/326/001 20060126
1635783	300653	Netherlands	⤷ Start Trial	PRODUCT NAME: FENTANYL IN ELKE DOOR HET BASISOCTROOI BESCHERMDE VERSCHIJNINGSVORM; REGISTRATION NO/DATE: EU/1/10/644/001-004 20100906
0975367	122011000009	Germany	⤷ Start Trial	PRODUCT NAME: FENTANYL IN ALLEN DEM SCHUTZ DES GRUNDPATENTS UNTERLIEGENDEN FORMEN; REGISTRATION NO/DATE: EU/1/10/644/001-004 20100831
>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.