Indian generic drug firms court US off-patent market

Mar 25 2014, 00:47 IST
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SummaryWith $32 billion worth of drugs going off patent in the next two years...

With $32 billion worth of drugs going off patent in the next two years, Indian pharma companies are going all out to launch generics in the US market, the world's largest; patent-related litigation for at least 18 drugs is pending in US courts. While the generics opportunity may not seem very large in the near term, the total sales of these drugs by innovators was $29 billion in 2013. Eight of these are blockbusters — industry term for medicines that generate more than $1 billion in sales. Moreover, all 18 are specialty drugs — commanding relatively high margins and generating double the return on investment compared with traditional therapies.

These drugs target complex health conditions such as cancer, multiple sclerosis and rheumatoid arthritis.

A glance at the major generic drug litigation shows that the top Indian players — Sun Pharmaceutical Industries, Lupin, Dr Reddy’s, Cipla and Glenmark — are contesting for the next crop of drugs under the auspices of the Hatch-Waxman Act, a type of litigation specific to drugs where innovators can sue generic drugmakers seeking to infringe on the innovators’ patent. It is not immediately known whether any of these firms would launch any of the drugs “at-risk”. An at-risk launch is when a generic company puts a product on the market before resolving outstanding patent lawsuits against it.

While historically Indian firms have won cases in US courts, there are some exceptions — a landmark judgment in June 2013 was for Protonix , a drug used to treat acid reflux and which earned for its innovator, Pfizer, sales of about $2 billion in CY07.

Israel-based Teva Pharmaceuticals Industries and India's Sun Pharma launched generic versions in 2007 and 2008, respectively, but Sun Pharma had to shell out $550 million. In fact, Pfizer managed to get 72% of the initial asserted claims of $3.1 billion from all generics companies.

“The Protonix settlement does have implications for the entire sector...as it may dissuade companies from attempting 'at-risk' launches and the implied corollary of reduced 'at-risk' launches means that innovators likely to have an upper hand during settlement negotiations in a litigation,” Credit Suisse analysts had observed.

Under the HW Act, a generics player has 20 days from the day the US Food and Drug Administration accepts its abbreviated new drug application (ANDA) to notify the branded company of its intention to challenge a patent. The innovator has 45 days from date of receipt

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