31.   Brazil acted under laws that allow it to sidestep patent protection by invoking a national emergency or saying the public sector will distribute the product for no profit.

32.   Bringing new drugs to market is critical to large drug companies, because patent protection for many popular drugs is nearing an end.

33.   Bristol-Myers was counting on sales of Vanlev to replace revenue it may lose from some of its other top drugs that will soon lose their patent protection.

34.   But Dickinson believed it resulted from a process that is intended to encourage innovation and reward it through patent protection.

35.   But it will lose the patent protection on Zantac in the coming years and faces increasing competition from low-cost generic alternatives.

36.   But other experts say that what deters companies from developing those drugs is mainly the small market size, not the lack of patent protection.

37.   But sales slumped after it lost patent protection and the questions about its safety began to emerge.

38.   But SmithKline lost its patent protection for the drug last May, and sales have since plummeted because cheaper generics have come onto the market.

39.   But the administration has dug in its heels on amending patent protection.

40.   But with trade agreements like TRIPS, countries have tightened their patent protection.