Sodium Phenylbutyrate; Taurursodiol Patent Expiration

Sodium Phenylbutyrate; Taurursodiol is Used for the treatment of Amyotrophic Lateral Sclerosis (ALS) in adults. It was first introduced by Amylyx Pharmaceuticals Inc in its drug Relyvrio on Sep 29, 2022.


Sodium Phenylbutyrate; Taurursodiol Patents

Given below is the list of patents protecting Sodium Phenylbutyrate; Taurursodiol, 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
Relyvrio US10251896 Compositions for improving cell viability and methods of use thereof Dec 24, 2033 Amylyx
Relyvrio US10857162 Compositions for improving cell viability and methods of use thereof Dec 24, 2033 Amylyx
Relyvrio US11071742 Compositions for improving cell viability and methods of use thereof Dec 24, 2033 Amylyx
Relyvrio US11583542 Compositions of bile acids and phenylbutyrate compounds Jul 27, 2040 Amylyx
Relyvrio US9872865 Compositions for improving cell viability and methods of use thereof Dec 24, 2033 Amylyx


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 Sodium Phenylbutyrate; Taurursodiol's patents.

Given below is the list recent legal activities going on the following patents of Sodium Phenylbutyrate; Taurursodiol.

Event Date Patent/Publication
Patent litigations
transaction for FDA Determination of Regulatory Review Period 14 Mar, 2024 US10857162
transaction for FDA Determination of Regulatory Review Period 14 Mar, 2024 US11071742
transaction for FDA Determination of Regulatory Review Period 14 Mar, 2024 US10251896
transaction for FDA Determination of Regulatory Review Period 14 Mar, 2024 US9872865
transaction for FDA Determination of Regulatory Review Period 04 Mar, 2024 US10857162
transaction for FDA Determination of Regulatory Review Period 04 Mar, 2024 US11071742
transaction for FDA Determination of Regulatory Review Period 04 Mar, 2024 US10251896
transaction for FDA Determination of Regulatory Review Period 04 Mar, 2024 US9872865
Second letter to regulating agency to determine regulatory review period 30 Sep, 2023 US10251896
Second letter to regulating agency to determine regulatory review period 30 Sep, 2023 US10857162



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