Ramelteon Patent Expiration

Ramelteon is used for treating insomnia. It was first introduced by Takeda Pharmaceuticals Usa Inc in its drug Rozerem on Jul 22, 2005. 11 different companies have introduced drugs containing Ramelteon.


Ramelteon Patents

Given below is the list of patents protecting Ramelteon, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Rozerem US10098866 Pharmaceutical preparation containing copolyvidone Nov 16, 2021

(Expired)

Takeda Pharms Usa
Rozerem US6034239 Tricyclic compounds, their production and use Jul 22, 2019

(Expired)

Takeda Pharms Usa



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 Ramelteon's patents.

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

Activity Date Patent Number
Patent litigations
Expire Patent 21 Nov, 2022 US10098866
Maintenance Fee Reminder Mailed 06 Jun, 2022 US10098866
Patent Issue Date Used in PTA Calculation 16 Oct, 2018 US10098866
Recordation of Patent Grant Mailed 16 Oct, 2018 US10098866
Email Notification 27 Sep, 2018 US10098866
Issue Notification Mailed 26 Sep, 2018 US10098866
Dispatch to FDC 17 Sep, 2018 US10098866
Application Is Considered Ready for Issue 15 Sep, 2018 US10098866
Issue Fee Payment Received 11 Sep, 2018 US10098866
Issue Fee Payment Verified 11 Sep, 2018 US10098866


Ramelteon's Family Patents

Family Patents

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Ramelteon Generic API Manufacturers

Several generic applications have been filed for Ramelteon. The first generic version for Ramelteon was by Dr Reddys Laboratories Sa and was approved on Jul 26, 2013. And the latest generic version is by Aurobindo Pharma Ltd and was approved on Jul 10, 2023.

Given below is the list of companies who have filed for Ramelteon generic, along with the locations of their manufacturing plants worldwide.


1. ACTAVIS LABS FL INC

Actavis Laboratories Fl Inc has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Actavis Labs Fl Inc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Aug 19, 2015





2. ANDAS 5 HOLDING

Andas 5 Holding Llc has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Andas 5 Holding.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Aug 24, 2022





3. AUROBINDO PHARMA LTD

Aurobindo Pharma Ltd has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Aurobindo Pharma Ltd.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Jul 10, 2023


Manufacturing Plant Locations
New

Aurobindo Pharma Ltd's manufacturing plants are situated in 1 country - India. Given below are the details of these plant locations as well as the firm names of Aurobindo Pharma Ltd as present at those locations.

Country City Firm Name
India
Medchal Aurobindo Pharma Ltd





4. DR REDDYS LABS SA

Dr Reddys Laboratories Sa has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Dr Reddys Labs Sa.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Jul 26, 2013





5. GRANULES

Granules Pharmaceuticals Inc has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Granules.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Aug 21, 2020


Manufacturing Plant Locations
New

Granules's manufacturing plants are situated in 2 countries - United States, India. Given below are the details of these plant locations as well as the firm names of Granules as present at those locations.

Country City Firm Name
United States
Manassas Granules Consumer Health Inc.
Chantilly Granules Pharmaceuticals Inc.
India
Sangareddy District Granules India Limited
Visakhapatnam Granules India Limited
Secunderabad Granules India Limited
Parawada Mandal Granules India Limited
Medchal-Malkhajgiri District Granules India Limited





6. I3 PHARMS

I3 Pharmaceuticals Llc has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by I3 Pharms.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Apr 10, 2020





7. MICRO LABS

Micro Labs Ltd has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Micro Labs.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Feb 9, 2023


Manufacturing Plant Locations
New

Micro Labs's manufacturing plants are situated in 1 country - India. Given below are the details of these plant locations as well as the firm names of Micro Labs as present at those locations.

Country City Firm Name
India
Bangalore Micro Labs Limited
Bengaluru Micro Labs Limited, Central Analytical Laboratory
Verna Micro Labs Limited
Bengaluru Micro Labs Limited





8. UPSHER SMITH LABS

Upsher Smith Laboratories Llc has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Upsher Smith Labs.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Oct 26, 2020





9. XIROMED

Xiromed Pharma Espana Sl has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Xiromed.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Nov 25, 2022


Manufacturing Plant Locations
New

Xiromed's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Xiromed as present at those locations.

Country City Firm Name
United States
Florham Park XIROMED LLC





10. ZYDUS PHARMS

Zydus Pharmaceuticals Usa Inc has filed for 1 generic for Ramelteon. Given below are the details of the strengths of this generic introduced by Zydus Pharms.

Strength Dosage Form Availability Application Pathway TE code Launch Date
8MG

tablet Prescription ORAL AB Jul 22, 2019