Rezafungin Acetate Patent Expiration

Rezafungin Acetate is Used for treating candidemia and invasive candidiasis. It was first introduced by Mundipharma Gmbh in its drug Rezzayo on Mar 22, 2023.


Rezafungin Acetate Patents

Given below is the list of patents protecting Rezafungin Acetate, 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
Rezzayo US11197909 Compositions and methods for the treatment of fungal infections Jul 14, 2038 Mundipharma
Rezzayo US11819533 Compositions and methods for the treatment of fungal infections Jul 11, 2038 Mundipharma
Rezzayo US11712459 Dosing regimens for treatment of fungal infections Mar 15, 2037 Mundipharma
Rezzayo US10702573 Dosing regimens for echinocandin class compounds Mar 14, 2033 Mundipharma
Rezzayo US9526835 Dosing regimens for echinocandin class compounds Mar 14, 2033 Mundipharma
Rezzayo US11654196 Dosing regimens for echinocandin class compounds Mar 02, 2032 Mundipharma
Rezzayo US8722619 Antifungal agents and uses thereof Mar 02, 2032 Mundipharma



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 Rezafungin Acetate's patents.

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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 27 Jun, 2024 US9526835
Second letter to regulating agency to determine regulatory review period 08 Feb, 2024 US8722619
Second letter to regulating agency to determine regulatory review period 08 Feb, 2024 US9526835
Second letter to regulating agency to determine regulatory review period 08 Feb, 2024 US10702573
Letter from FDA or Dept of Agriculture re PTE application 30 Jan, 2024 US10702573
Letter from FDA or Dept of Agriculture re PTE application 30 Jan, 2024 US8722619
Letter from FDA or Dept of Agriculture re PTE application 30 Jan, 2024 US9526835
Payment of Maintenance Fee, 4th Yr, Small Entity 27 Dec, 2023 US10702573
Recordation of Patent Grant Mailed 21 Nov, 2023 US11819533
Patent eGrant Notification 21 Nov, 2023 US11819533


Rezafungin Acetate's Family Patents

Family Patents

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