The Doctrine of Equivalents: A Barrier to Cheaper Biologics?

(Source)   The benefit of biosimilar drugs is clear—biosimilars provide the U.S. market with drastic cost-saving alternatives, with estimates of a reduction in spending on biologic drugs from 2017 to 2026 of $54 billion dollars. Biologics are pharmaceutical drugs designed from or involving biological process/materials such as proteins, DNA, carbohydrates, and triglycerides. They include vaccines such as your common flu