Baraclude Patent Expiration

Baraclude is a drug owned by Bristol Myers Squibb. It is protected by 2 US drug patents filed in 2013 out of which all have expired. Based on its patents and exclusivities, its generic launch date is estimated to be Sep 20, 2017. Details of Baraclude's patents and their expiration are given in the table below.

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Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US5206244

(Pediatric)

Hydroxymethyl (methylenecyclopentyl) purines and pyrimidines
Aug, 2015

(11 years ago)

Expired
US5206244 Hydroxymethyl (methylenecyclopentyl) purines and pyrimidines
Feb, 2015

(11 years ago)

Expired


FDA has granted several exclusivities to Baraclude. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Baraclude, regardless of the status of it's patents. These exclusivities hence play a crucial role in delaying the generic launch. Given below are details of the exclusivities granted to Baraclude.

Exclusivity Information

Baraclude holds 3 exclusivities. All of its exclusivities have expired in 2017. Details of Baraclude's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Dosing Schedule(D-127) Oct 15, 2013
New Patient Population(NPP) Oct 12, 2015
Pediatric Exclusivity(PED) Sep 20, 2017

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US patents provide insights into the exclusivity only within the United States, but Baraclude is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Baraclude's family patents as well as insights into ongoing legal events on those patents.

Baraclude's Family Patents


Family Patents

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Clinical Trials

Recent Clinical Trials on Baraclude:

Sometimes companies keep conducting clinical trials even after the drug's approval to discover new formulations, methods of use, or new treatment indications, so they could file for additional patents or receive regulatory exclusivity extensions, such as pediatric exclusivity, potentially delaying generic competition. Based on these recent clinical trials, generic companies need to consider the potential for new intellectual property or regulatory hurdles. These strategic moves by the drug owner might delay generic substitution or lead to additional sales of the brand drug, even after patent expiry.

Title Lead Sponsor Collaborators Status Phases
Clinical Trials
Drug-Drug Interaction Study Between Hydronidone and Entecavir, Tenofovir Disoproxil Fumarate, Tenofovir Alafenamide, and Tenofovir Amibufenamide Beijing Continent Pharmaceutical Co, Ltd. NA COMPLETED
(Aug 1, 2026)
PHASE1
Clinical Trial of TQA3605 Tablet in Combination With Nucleos(t)Ide Analogues(NAs) Versus NAs Alone for the Treatment of Patients With Chronic Hepatitis B Virus Infection Who Have Undergone Treatment and Exhibit Low Viral Load or Poor Response Chia Tai Tianqing Pharmaceutical Group Co., Ltd. NA NOT YET RECRUITING
(Jul 1, 2026)
PHASE3
A Study of JNJ-73763989 + Nucleos(t)Ide Analog in Participants Co-Infected With Hepatitis B and Hepatitis D Virus Janssen Research & Development, LLC NA COMPLETED
(Jun 1, 2026)
PHASE2
The Safety and Efficacy of Sequential Treatment of Ropeginterferon Alfa-2b (P1101) and Anti-PD1 in Interferon-Naive Adults With Chronic Hepatitis B or D Infection PharmaEssentia NA COMPLETED
(Jun 1, 2026)
PHASE1
Entecavir Prophylaxis for Hepatitis B Reactivation for CD20 Positive B-cell Lymphoma Patients With Resolved Hepatitis B (Negative Hepatitis B Surface Antigen, Positive Hepatitis B Core Antibody) Sun Yat-sen University NA ACTIVE NOT RECRUITING
(May 1, 2026)
PHASE2
Once Daily Dosing of Lonafarnib Co-administered With Ritonavir for Treatment of Chronic Hepatitis D Virus Infection Soroka University Medical Center NA COMPLETED
(Apr 1, 2026)
PHASE3
Chidamide for Maintenance Treatment of HBV-infected Diffuse DLBCL in Patients Initially Treated With R-CHOP Ou Bai, MD/PHD NA RECRUITING
(Mar 1, 2026)
PHASE3




Generic Launch

Generic Release Date:

Baraclude's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Sep 20, 2017 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Baraclude Generic API suppliers:

Entecavir is the generic name for the brand Baraclude. 17 different companies have already filed for the generic of Baraclude, with Chartwell Rx having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Baraclude's generic

How can I launch a generic of Baraclude before its drug patent expiration? :

You can seek FDA approval to launch a generic drug before the expiration of Baraclude's patents related by providing a 'paragraph IV certification' in your application, which states that the patent submitted by the Baraclude's sponsor is invalid, unenforceable, or will not be infringed by your generic product.

Given below are the details of the already filed Para IV certificates on Baraclude -

Strength Submission Date Expiration Date of Last Qualifying Patent 180-Day Status First Applicant Approval Generic Competition Status
25 mg / 5 mL
🔒 Unlock
14 Jun, 2010 21 Aug, 2015 Eligible 26 Aug, 2014 Less






About Baraclude

Baraclude is a drug owned by Bristol Myers Squibb. Baraclude uses Entecavir as an active ingredient. Baraclude was launched by Bristol Myers in 2005.

Approval Date:

Baraclude was approved by FDA for market use on 29 March, 2005.

Active Ingredient:

Baraclude uses Entecavir as the active ingredient. Check out other Drugs and Companies using Entecavir ingredient

Dosage:

Baraclude is available in the following dosage forms - tablet form for oral use, solution form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
1MG TABLET Prescription ORAL
0.5MG TABLET Prescription ORAL
0.05MG/ML SOLUTION Prescription ORAL