Temsirolimus Patent Expiration

Temsirolimus is used for treating metastatic papillary renal cell carcinoma. It was first introduced by Pf Prism Cv in its drug Torisel on May 30, 2007. 3 different companies have introduced drugs containing Temsirolimus.


Temsirolimus Patents

Given below is the list of patents protecting Temsirolimus, 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
Torisel US5362718 Rapamycin hydroxyesters Apr 18, 2014

(Expired)

Pf Prism Cv
Torisel US5362718

(Pediatric)

Rapamycin hydroxyesters Oct 18, 2014

(Expired)

Pf Prism Cv
Torisel US8026276 Parenteral CCI-779 formulations containing cosolvents, an antioxidant, and a surfactant Jan 20, 2026 Pf Prism Cv
Torisel US8026276

(Pediatric)

Parenteral CCI-779 formulations containing cosolvents, an antioxidant, and a surfactant Jul 20, 2026 Pf Prism Cv
Torisel US8299116 CCI-779 concentrate formulations Jul 25, 2023

(Expired)

Pf Prism Cv
Torisel US8299116

(Pediatric)

CCI-779 concentrate formulations Jan 25, 2024

(Expired)

Pf Prism Cv
Torisel US8455539 CCI-779 concentrate formulations Jul 25, 2023

(Expired)

Pf Prism Cv
Torisel US8455539

(Pediatric)

CCI-779 concentrate formulations Jan 25, 2024

(Expired)

Pf Prism Cv
Torisel US8722700 CCI-779 formulations for parenteral administration Jul 25, 2023

(Expired)

Pf Prism Cv
Torisel US8722700

(Pediatric)

CCI-779 formulations for parenteral administration Jan 25, 2024

(Expired)

Pf Prism Cv
Torisel US8791097 Anti-tumor activity of CCI-779 in papillary renal cell cancer May 10, 2032 Pf Prism Cv
Torisel US8791097

(Pediatric)

Anti-tumor activity of CCI-779 in papillary renal cell cancer Nov 10, 2032 Pf Prism Cv
Torisel USRE44768 Rapamycin hydroxyesters Feb 15, 2019

(Expired)

Pf Prism Cv
Torisel USRE44768

(Pediatric)

Rapamycin hydroxyesters Aug 15, 2019

(Expired)

Pf Prism Cv



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 Temsirolimus's patents.

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

Activity Date Patent Number
Patent litigations
Maintenance Fee Reminder Mailed 17 Jun, 2024 US8299116
Payment of Maintenance Fee, 12th Year, Large Entity 08 Feb, 2023 US8026276
Payment of Maintenance Fee, 8th Year, Large Entity 09 Dec, 2021 US8791097
Payment of Maintenance Fee, 8th Year, Large Entity 14 Oct, 2021 US8722700
Payment of Maintenance Fee, 8th Year, Large Entity 28 Sep, 2020 US8455539
Payment of Maintenance Fee, 8th Year, Large Entity 16 Mar, 2020 US8299116
Payment of Maintenance Fee, 8th Year, Large Entity 14 Feb, 2019 US8026276
Payment of Maintenance Fee, 4th Year, Large Entity 15 Dec, 2017 US8791097
Payment of Maintenance Fee, 4th Year, Large Entity 16 Oct, 2017 US8722700
Email Notification 14 Nov, 2016 US8455539



Temsirolimus Generics

Several generic applications have been filed for Temsirolimus. The first generic version for Temsirolimus was by Accord Healthcare Inc and was approved on Jul 30, 2018. And the latest generic version is by Gland Pharma Ltd and was approved on Aug 16, 2019.

Given below is the list of companies who have filed for Temsirolimus generic.


1. ACCORD HLTHCARE

Accord Healthcare Inc has filed for 1 generic for Temsirolimus. Given below are the details of the strengths of this generic introduced by Accord Hlthcare.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG/ML (25MG/ML) solution Prescription INTRAVENOUS AP Jul 30, 2018


2. GLAND PHARMA LTD

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

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG/ML (25MG/ML) solution Prescription INTRAVENOUS AP Aug 16, 2019