The company specializes in drug delivery systems, and it says that its delivery system is distinct from the one covered by AstraZeneca's patents.

FORBES: Fight Over $6 Billion Drug Begins

On the branded generics side, the company is heading full bore into novel drug delivery systems like the once-a-day version of Bayer antibacterial ciprofloxacin.

FORBES: Copycats No More

This year Langer was awarded the Charles Stark Draper Prize, a sort of Nobel Prize for engineering, for his lifetime of work in drug delivery systems.

FORBES: Innovators

Celsion is dedicated to the development and commercialization of oncology drugs including tumor-targeting treatments using focused heat energy in combination with heat activated drug delivery systems.

FORBES: Top CEO Buys Highlight of Week: NIHD, RENT, VTNC, MDW

Working at this crossroads has enabled him to make huge leaps in the field of drug delivery systems and to design biodegradable polymers on which human tissue can grow.

FORBES: Plastic Man

Eric Park, of Ziba, a design consultancy, reckons companies must also think about drug delivery systems and patient-friendly packaging, which could create a new kind of branded intellectual property that might be more defensible than drug patents.

ECONOMIST: Pharmaceuticals

So in one company, investors have a very appealing combination: the potential for blockbuster drugs, revenues from drug-delivery systems and products now on the market.

FORBES: Elan's spin