The Center for Responsive Politics says the pharmaceutical industry spent $150 million on lobbying in 2007.
After all, the Pharmaceutical Research & Manufacturers Association, one of the most powerful trade associations, spent $22.7 million on lobbying last year.
And the Biotechnology Industry Organization, which has become the biggest advocate for biotech companies, spent $7.2 million.
Each of these seven has at least one or two drugs that provide most of their revenue, Williams said. As a result, their situation can be more tenuous than a Big Pharma company that can rely on dozens of products, including the billion-dollar-selling blockbusters.