Protecting Profits Payments

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    Protecting ProfitsCongress prepares to stop drug makers from offeringe x c lu s io n p a y m e n t s to g e n e r ic m a n u f a c t u r e r s , BY STEVE SEIDENBERGI Circuit courts

    disagree about howto handle exclusionpayments

    Paymen ts createantitrust concerns Supreme Court mayhave final word

    It was an awkward situation, to put it mildly, f Th e year was 1992, and AstraZeneca Intemationalwas on the verge of losing its rights to a major blockbuster drugTamoxifen citrate. London-based AstraZeneca earned millions of dollars each year on sales of Tamoxifen, one of themost prescribed cancer drugs in the world. To protect its valuable monopoly, AstraZenecapreviously had sued Barr Laboratories, seeking to stop the New Jersey-based firm fromproducing a generic version of the drug. 1[ Filed in November 1987, that lawsuit backfired.Finding that AstraZeneca had wrongfully withheld important information from the patent

    office, a federal court in Manhattanstruck down the company's patent onthe drug in April 1992.AstraZeneca responded by buying oflFits opponent. In a 1993 settlement, madewhile AstraZeneca appealed to the FederalCircuit, the company agreed to pay Barr$21 m illion. In return Barr agreed notto produce a generic version ofTamoxifen until AstraZeneca'spaten t expired in 2002. Barr alsoagreed to ask the Federal Circuit tovjicate the district court judgment,thus restoring the Tamoxifen pa t-ent to AstraZeneca.The settlement was a win forboth parties. A straZeneca got itspatent back and removed the dan -ger of competition that would cutinto salesand profitsfor itsblockbuster drug. B arr receivedmore money than it was likely toearn if it had won its lawsuit andproduced a low-priced generic.The Tamoxifen deal is far fromunique. In recent years, there hasbeen anexplosion of settlementagreements where brand-namedrug companies pay allegedinfringers large sums of money

    to po stpone making generic versions ofblockbuster drugs.Courts and legal experts remainsharply divided over th e legality of theseso-called "exclusion payments" or "reversepayments." But all agree the stakes arehigh, with billions of dollars on the line."This is of critical importance to ...

    the pharmaceutical industry, to consum-ers ... and to large corporations trying tomanage their health care costs," says W.Scott Simmer, a health care litigator atRobins, Kaplan, M iller & Ciresi.Settling InDrug companiesfirststarted using exclu-sion paym ents in the late 1990s,but the practice ended whenth e FTC filed some antitrustenforcement actions in 2000 .Between 2000 and 2004 , therewere no known patent litigationsettlements th at involved exclu-sion payments.

    The legal landscape suddenlyshifted in March 20 05 when the11th C ircuit issued its decisionin ScheringPlough Corp. v. FTC.That ruling upheld the legalityof exclusion payments Schering-Plough m ade to two rivals. Thecourt held that such paymentsviolate an titrust laws only if theyare part of a deal to improperlyextend the scope of a patent Qoy,for instance, forbidding a com-petitor from manufacturing anunrelated product).

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    I PThe landscape shifted even further in

    August 2006 with the 2nd Circuit's rul-ing in In re Tanwo dfcn Citrate AntitrustLitigation. The class action suit allegedAstraZeneca's exclusion payment to Ban-was an illegal restraint of trade. The 2ndCircuit threw out the suit, which was filedon behalf of consumers and m edical ben-efit providers, ruling that although a trialcourt had struck down AstraZeneca's pat-ent, the company was entitled to settle theongoing appeal of that verdict by meansof an exclusion payment.

    Pharmaceu t ica l compan ies havepounced on these rulings, using exclu-sion pajTnents to settle almos t two dozeninfringement suits since March 2005.And those num bers are expected to rise.

    "In the curre nt legal climate, there isevery reason to expect the upsurge in suchsettlements to continue and early entry ofgene rics... to decline," FTC CommissionerJon Leibovidtz told the Senate JudiciaryComm ittee in early 2007.Pharmaceutical PeculiarityIn issuing their rulings, both the 2ndand 11th Circuits noted th at pa tent suitsconcerning pharmace uticals are not likeordinary patent suits.A defendant in a typical patent-infringement suit has a lot on the line.If the alleged infringer loses, it may have

    to cease marketing its now -establishedproduct or service, as well as pay trebledamage s. The typical plaintiff risks onlythe exclusive right to practice th e inven-tion, which already has been underminedby the defendant's actions.

    Because the downside risk is so muchgreater for alleged infringers than forpatentees, it makes sense that litigationsettlements usually include substantialpayments from defendants to patentees.If the payment went in the other direction,it would look quite suspiciousas if thepatentee was attempting to either restraincompetition or protect a dubious patent.

    The s i tuat ion changes when drugpatents are involved. Federal laws pro-vide that th e patent holder should sue aninfringing generic drug m aker as soon asthat d rug maker seeks FDA approval tomarket the generic. If the generic m an-ufacturer loses this suit, it gives up littlemore than its litigation costs and thechance to market the drug. By contrast,the patentee risks losing the exclusiverights to a product that might be earn-ing it billions of dollars per ye ar (see "TheLure of Exclusion Payments").

    Because the downside risk for drugpatentees is so much greater than foralleged infringers, it makes economicsense for patentees to settle infringementsuits by paying large sums of money to

    The Lure of Exclusion PaymentsAs soon as a patented drug faces competition from a generic rival, the drug'sretail price typically drops by at least 16 percent. The price plummets furtheras more and more generic drug manufacturers enter the market. Thanks tovigorous competition, the retail price eventually falls as much as 80 percent.

    That's a lot of moneymoney patentees and their generic rivals can keepfor themselves if they make settlements based on exclusion payments.FTC Commissioner Jon Leibowitz explained it this way to the Senate

    Judiciary Committee in January 2007: "In nearly any case in which genericentry is contemplated, the profit that the generic anticipates will be muchless than the amount of profit the brand-name drug company stands to losefrom the same sales. This is because the gen eric firm sells at a significantdiscount off the price of the brand-name product.... Consequently, it willtypically be more profitable for both parties if the brand-name manufacturerpays the generic manufacturer to settle the dispute and agree to defer entry."

    alleged infringers. That, at least, is theview of the 2nd and 11th Circuits.

    However, not everyone agrees withtha t analysis.Antitrust QuestionsIf the 2nd and 11th Circuit decisionsbecome the law of the land, the resultwil l be d isas ter , according to manyexperts. "Virtually every ph armac euticalpate nt case will be resolved by a reversepa}Tnent," says Paul Slater, an ant itru stattorney at S terling & Slater.

    This will keep dru g prices far higherthan if there were real competition, add -ing billions of dollars to health care costs."That's not good for consumers, espe-cially at a time whe n m edical benefits cirebecom ing so expensive," Simm ers says.

    Critics, however, can't agree on whatto do about exclusion paym ents. Some saythe government should deem these pay-ments per se violations of antitrust law.The FTC and 6th Circuit have adoptedthis view. The Senate Judiciary Committeealso backs this idea and recently approveda bill tha t would explicitly prohib it exclu-s ion payments . The House may soonintroduce sim ilar legislation.

    Others th ink exclusion paymentsshould be subject to a tough, case-by-caseanalysis. "There should be a p resump tionof illegality... tha t would put the burde non the drug companies to show a highlikelihood that the patent ovwier wouldhave prevailed if the case had gone totrial," says Thomas Cotter, who teachespaten t and an titrust law at the Universityof Minnesota.

    Unless Congress acts, many observersexpect the Supreme Court to step in andresolve the circuit court split over howto handle exclusion paym ents. There issimply too much at stakefor the U.S.economy, pharmaceutical innovat ionand the health care systemfor the HighCourt to ignore the problem .

    "Whether we view [exclusion pay-ments] as antitrust violations or not hasenormous consequences," says C. ScottHemphill, who teaches patent sind anti-trust law at Columbia University.

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