Allan Fried's experience with drafting patent applications and prosecuting them at the Patent Office extends over 23 years, from his first position as a patent attorney at Pennwalt Corporation through his subsequent career in private practice. He has worked for individual inventors, biotechnology companies, and universities. He has worked on inventions of pharmaceutical compounds, recombinant viral vectors, immunoassays, plant-mediated vaccines, electrochemical biosensors, cancer assays, in situ nucleic acid hybridization assays, and many other biotechnological inventions.