Samsca Patent Expiration

Samsca is a drug owned by Otsuka Pharmaceutical Co Ltd. It is protected by 4 US drug patents filed from 2013 to 2021. Out of these, 2 drug patents are active and 2 have expired. Samsca's patents have been open to challenges since 19 May, 2013. Based on its patents and exclusivities, its generic launch date is estimated to be Apr 07, 2030. Details of Samsca's patents and their expiration are given in the table below.

Patent strength
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Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents protect the active ingredient(API) of the drug. Only drug patent owner can launch products that use this active ingredient until these patents expire.
US8501730 Process for preparing benzazepine compounds or salts thereof
Sep, 2026

(5 months from now)

Active
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US10905694 Pharmaceutical solid preparation comprising benzazepines and production method thereof
Apr, 2030

(4 years from now)

Active
US5753677 Benzoheterocyclic compounds
May, 2015

(10 years ago)

Expired
US5258510 Benzoheterocyclic compounds
Nov, 2012

(13 years ago)

Expired


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Samsca's patents.

Given below is the list of recent legal activities going on the following patents of Samsca.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 18 Dec, 2024 US8501730 (Litigated)
Payment of Maintenance Fee, 4th Year, Large Entity 17 Jul, 2024 US10905694
Patent Issue Date Used in PTA Calculation 02 Feb, 2021 US10905694
Recordation of Patent Grant Mailed 02 Feb, 2021 US10905694
Email Notification 14 Jan, 2021 US10905694
Issue Notification Mailed 13 Jan, 2021 US10905694
Application Is Considered Ready for Issue 28 Dec, 2020 US10905694
Dispatch to FDC 28 Dec, 2020 US10905694
Issue Fee Payment Received 23 Dec, 2020 US10905694
Issue Fee Payment Verified 23 Dec, 2020 US10905694


FDA has granted several exclusivities to Samsca. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Samsca, 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 Samsca.

Exclusivity Information

Samsca holds 1 exclusivities. All of its exclusivities have expired in 2014. Details of Samsca's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) May 19, 2014

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US patents provide insights into the exclusivity only within the United States, but Samsca 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 Samsca's family patents as well as insights into ongoing legal events on those patents.

Samsca's Family Patents

Samsca has patent protection in a total of 24 countries. It's US patent count contributes only to 8.2% of its total global patent coverage. 3 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree for Samsca.

Family Patents

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Generic Launch

Generic Release Date:

Samsca's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Apr 07, 2030 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Samsca Generic API suppliers:

Tolvaptan is the generic name for the brand Samsca. 6 different companies have already filed for the generic of Samsca, with Apotex having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Samsca's generic

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

You can seek FDA approval to launch a generic drug before the expiration of Samsca's patents related by providing a 'paragraph IV certification' in your application, which states that the patent submitted by the Samsca'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 Samsca -

Strength Submission Date Expiration Date of Last Qualifying Patent 180-Day Status First Applicant Approval Generic Competition Status
25 mg / 5 mL
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26 Mar, 2018 01 Sep, 2026 Eligible 19 May, 2020 Less
25 mg / 5 mL
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10 Oct, 2013 01 Sep, 2026 Non-Forfeiture 15 Feb, 2022 Less
25 mg / 5 mL
🔒 Unlock
23 Sep, 2013 19 May, 2020 Extinguished Non-Forfeiture Less


Alternative Brands for Samsca

Samsca which is used for treating low levels of sodium in the blood (hyponatremia)., has several other brand drugs using the same active ingredient (Tolvaptan). Given below is the list of those companies and their brand drugs, to help you identify new opportunities, assess competitors, and plan your market strategies more effectively.

Drug Owner Drug Name
Otsuka
Jynarque


Apart from brand drugs containing the same ingredient, some generics have also been filed for Tolvaptan, Samsca's active ingredient. Check the complete list of approved generic manufacturers for Samsca





About Samsca

Samsca is a drug owned by Otsuka Pharmaceutical Co Ltd. It is used for treating low levels of sodium in the blood (hyponatremia). Samsca uses Tolvaptan as an active ingredient. Samsca was launched by Otsuka in 2009.

Approval Date:

Samsca was approved by FDA for market use on 19 May, 2009.

NCE-1 date:

NCE-1 date also known as the four year date occurs four years after the original drug approval and marks the first opportunity for a generic manufacturer to file an ANDA with a Paragraph IV certification. This is the earliest point when generic competition might begin, provided the challenge is successful. Since the approval date for Samsca is 19 May, 2009, its NCE-1 date is estimated to be 19 May, 2013.

Active Ingredient:

Samsca uses Tolvaptan as the active ingredient. Check out other Drugs and Companies using Tolvaptan ingredient

Treatment:

Samsca is used for treating low levels of sodium in the blood (hyponatremia).

Dosage:

Samsca is available in tablet form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
60MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL
15MG TABLET Prescription ORAL
30MG TABLET Prescription ORAL