Change is a constant theme for our annual Generics Bulletin Top 50 ranking of the world’s leading generics and biosimilars companies, and this year’s rundown of off-patent industry titans is no different.
The Generics Bulletin Top 50, Part One: Indian Leaders Climb Into Top 10
Dr Reddy’s And Cipla Take Places Among Leading Group Of Off-Patent Industry Peers
In a year that has seen significant changes throughout our generics and biosimilars industry ranking, the top 10 has welcomed two Indian off-patent leaders after two other firms dropped out of the top table. We delve into what has changed in the first instalment of this year’s Generics Bulletin Top 50.

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Teva should not be able to overturn European fines imposed over a historical “pay-for-delay” arrangement covering Cephalon’s Provigil (modafinil), an advocate general of the CJEU has recommended.
Alvotech has named two new key executives, while Biosimilars Canada has elected its 2025 leaders and the AAM has welcomed the new FDA commissioner in the US.
Optum Rx, one of the largest PBMs in the US, declared itself as the “first comprehensive, transparent pharmacy services company” after announcing several consumer-friendly changes.
As Indian CROs are bracing for new registration mandates, an expert panel at the IGBA’s 3rd Bioequivalence conference discusses the implications of non-compliance in bioequivalence studies.
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With Celltrion having just received approval for its US Actemra (tocilizumab) biosimilar and having just launched its ustekinumab rival to Stelara – and with the introduction of the Korean developer’s denosumab rivals to Prolia and Xgeva just around the corner – 2025 is set to be a busy year, Celltrion USA chief commercial officer Thomas Nusbickel tells Generics Bulletin.
With sales and profits shooting up in 2024, Alvotech has revealed plans to rapidly accelerate development to add between four and six programs to its pipeline of biosimilars every year, while at the same time unveiling details of several new brands that it will be seeking to challenge. The firm has also set out longer-term financial targets that anticipate more than trebling its revenues in the next three years.
India’s Dr Reddy’s and China’s Bio-Thera have struck a deal covering ustekinumab and golimumab biosimilars in multiple markets in south-east Asia.