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RPT-Big Pharma vs Big Pharma in court battles over biosimilar drugs

Published Oct 03, 2016 05:00
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© Reuters. RPT-Big Pharma vs Big Pharma in court battles over biosimilar drugs
 
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(Repeats Oct 2 story with no changes to text)

* Drugmakers protect own medicines while challenging rivals

* Drugmakers' last resort to wring exclusivity from blockbusters

* Novartis CEO predicts biosimilar discounts of up to 75 pct

By John Miller

ZURICH, Oct 2 (Reuters) - The line dividing makers of brand-name drugs and copycat medicines is blurring as companies known for innovative treatments queue up to peddle copies of rivals' complex biological medicines.

These drugmakers are now increasingly straddling both sides of the courtroom, too, protecting their high-price products from biosimilars - biopharmaceutical drugs with the treatment properties of medicines they seek to mimic - while simultaneously challenging rivals' patent claims.

Biologics, manufactured in living cells, then extracted and purified, are more complex than traditional medicines and cannot be copied with precision, and so their knock-off versions are called biosimilars instead of generics.

The allure of biosimilars is clear, with insurers and other payers counting on the steep discounts. U.S. pharmacy benefit managers are already trimming brand-name drugs from their rosters. {nL2N1BY0AZ] Novartis NOVN.S Chief Executive Joe Jimenez predicting biosimilar discounts of up to 75 percent, in part based on developments in Europe, makers of innovative drugs are fighting tooth and nail to protect their higher-priced products for as long as possible. [ instance, AbbVie ABBV.N has sued in Delaware claiming patent protection for its arthritis drug Humira, the world's best-selling prescription medicine, until at least 2022 as it seeks to delay an Amgen (NASDAQ:AMGN) replica that won U.S. approval last week. Amgen has gone to another U.S. federal court seeking to protect its own arthritis medicine, Enbrel, from a Novartis biosimilar until 2029. lawsuits pitting Big Pharma against Big Pharma piling up, lawyers said the legal landscape has gotten a lot more complex.

"One of the biggest surprises has been the number of innovator biopharma companies, like Amgen, now developing biosimilars to compete with the products of other innovator companies," said Don Ware, an expert on biosimilars at U.S. law firm Foley Hoag in Boston.

"This creates conflicts for law firms like ours, because suddenly the clients we advise are adverse to each other," Ware said. "And it makes it hard for the companies to retain top outside counsel without having to give them conflict waivers."

Sanofi SASY.PA , Merck (NYSE:MRK) MRK.N , Eli Lilly LLY.N , Pfizer PFE (NYSE:PFE).N , Johnson & Johnson (NYSE:JNJ) JNJ.N and Biogen BIIB.O are also embroiled in lawsuits over biosimilars.

For a Factbox on major suits see: BITTER ENEMIES

Even so, some analysts say the lawsuits are business as usual and are unlikely to spill over into other areas, including research partnerships.

Novartis and Amgen may be at each other's throats in court over the Swiss drugmaker's Enbrel copy, but the two are still cooperating on a drug for migraines. not like these companies are bitter enemies," Zuercher Kantonalbank analyst Michael Nawrath said. "These court cases are simply the last resort of original drug makers to wring a few more months or a year of exclusivity from their blockbusters."

Conflicts pitting big drugmakers against each other may have been inevitable after Europe in 2006 and the United States in 2010 created separate biosimilar approval rules.

After all, Big Pharma's financial clout and expertise made large, sophisticated drugmakers the natural candidates to manufacture complex biosimilar copies that cost hundreds of millions to bring to market, far more than for generic off-patent copies of simpler, small molecule drugs.

Some smaller companies and generics makers have jettisoned biosimilar programmes after originally underestimating hurdles to entry, Richard Francis, head of Novartis's Sandoz division that makes biosimilars, said earlier this year.

Just this week, Shire SHP.L abandoned two biosimilar candidate drugs that accompanied its Baxalta takeover, copies of Amgen's Enbrel and AbbVie's Humira, to focus on rare diseases. realisation of what it's going to take to stay in this market and be successful has led to a change in the landscape and the players in it," Francis said.

($1 = 0.9699 Swiss francs)

RPT-Big Pharma vs Big Pharma in court battles over biosimilar drugs
 

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