ENBREL Drug Profile

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Summary for Tradename: ENBREL

High Confidence Patents:	8
Applicants:	1
BLAs:	1
Drug Prices:	Drug price information for ENBREL
Recent Clinical Trials:	See clinical trials for ENBREL
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for ENBREL

See drug prices for ENBREL

Recent Clinical Trials for ENBREL

Identify potential brand extensions & biosimilar entrants

Sponsor	Phase
University of California, San Diego	Early Phase 1
Benaroya Research Institute	Early Phase 1
Vanderbilt University	Phase 3

See all ENBREL clinical trials

Recent Litigation for ENBREL

Identify key patents and potential future biosimilar entrants

District Court Litigation

Case Name	Date
FENNEC PHARMACEUTICALS, INC. v. CIPLA LIMITED	2023-01-10
AMGEN INC. v. APOTEX INC.	2022-06-14
Amgen Inc. v. Sandoz Inc.	2021-11-11

See all ENBREL litigation

PTAB Litigation

Petitioner	Date
Dr. Reddy's Laboratories, Inc.	2018-08-03
	2014-11-06
	2013-08-15

See all ENBREL litigation

Pharmacology for ENBREL

Mechanism of Action	Tumor Necrosis Factor Receptor Blocking Activity
Established Pharmacologic Class	Tumor Necrosis Factor Blocker

Note on Biologic Patents

Matching patents to biologic drugs is far more complicated than for small-molecule drugs.

DrugPatentWatch employs three methods to identify biologic patents:

Brand-side disclosures in response to biosimilar applications

These patents were identified from disclosures by the brand-side company, in response to a potential biosimilar seeking to launch. They have a high certainty of blocking biosimilar entry. The expiration dates listed are not estimates — they're expiration dates as indicated by the brand-side company.

General brand-side disclosures

These patents were identified from searching drug labels and other general disclosures from the brand-side company. This list may exclude some of the patents which block biosimilar launch, and some of these patents listed may not actually block biosimilar launch. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

Patents from broad patent text search

For completeness, these patents were identified by searching the patent literature for mentions of the branded or ingredient name of the drug. Some of these patents protect the original drug, whereas others may protect follow-on inventions or even inventions casually mentioning the drug. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

1) High Certainty: US Patents for ENBREL Derived from Brand-Side Litigation

No patents found based on brand-side litigation

2) High Certainty: US Patents for ENBREL Derived from Company Disclosures

These patents were obtained from company disclosures

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Patent No.	Estimated Patent Expiration	Source
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2012-03-07	Company disclosures
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2014-02-25	Company disclosures
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2009-09-05	Company disclosures
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2009-09-11	Company disclosures
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2009-09-05	Company disclosures
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2009-09-05	Company disclosures
Immunex Corporation	ENBREL	etanercept	For Injection	103795	⤷ Try a Trial	2019-04-19	Company disclosures
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Patent No.	>Estimated Patent Expiration	>Source

3) Low Certainty: US Patents for ENBREL Derived from Patent Text Search

These patents were obtained by searching patent claims