What is the fine-grained topic of the following text: Our attorneys have degrees in chemical engineering, chemistry, genetics and pharmacology and have drawn on those backgrounds to draft numerous pharmaceutical patents, including those for antipsychotic drugs, antiviral drugs (including HIV protease inhibitors), anti-hypertension agents, anti-inflammatory drugs (including COX-2 inhibitors), and theranostic delivery systems. Only return the topic.
Pharmaceutical Patents Drafting by Attorneys with Science Backgrounds