Rearguard action as Rinvoq copycats circle prized US market

23 November 2023

With sales of lucrative immunology medicine Rinvoq (upadacitinib) topping $1 billion in the third quarter, developer AbbVie (NYSE: ABBV) is taking action to shore up its patent estate.

A lengthy legal document, filed this week in the US District Court for the District of Delaware, stated that proposed generic versions would infringe on more than 20 of its patents.

As well as Switzerland’s Sandoz (SIX: SDZ), the complaint takes aim at Indian producers Hetero Drugs, Aurobindo Pharma (BSE: 524804), Intas Pharmaceuticals and Sun Pharmaceutical (BSE: 524715).

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