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Sandoz Attacks Amgen Over US Enbrel Exclusivity

Firm Claims $1bn+ In Lost Biosimilar Sales As It Attacks ‘Scheming’ Originator

 
• By Dave Wallace

Having failed in US patent litigation over Amgen’s Enbrel, Sandoz is taking an alternative approach in trying to get its Erelzi biosimilar to market in the US ahead of patent expiry in 2029: launching an antitrust attack against the originator for “unlawfully extending and entrenching its monopoly."

Sandoz has launched an antitrust lawsuit attacking Amgen (Shutterstock)

After Sandoz several years ago lost US patent litigation with Amgen over Enbrel (etanercept) – preventing Sandoz from launching its Erelzi (etanercept-szzs) version until 2029 – the firm is now trying another approach to allow its biosimilar to reach the US market sooner than intellectual property currently allows.

Sandoz has launched an antitrust attack against Amgen – by means of a filing in an Eastern District of Virginia district court – accusing the originator of “unlawfully extending and...

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