A Biotech patent lawyer uses patent law principles in the field of biotechnology. Patent law has been successful due to the need to protect complex and controversial biotech inventions. The new patent laws are due to changes involving living organisms. More research and development activities have been completed from products derived from living systems. Biotech inventions are helping to find the root cause of several developed chronic diseases and are able to suggest remedies. The research of molecule structures, new microorganisms, invented processes or just newly developed discoveries require patents and protection. There have been many changes to patent law. Because of chemical structure and biological characteristics, the original owners suffer economic losses due to low returns on their huge investments in research. Patent law has also evolved to accommodate the growth of team-based innovation. Patent planning should begin at its earliest stages so to protect the hundreds of millions of dollars it could cost.