noun
generic drug; me-too drug
Pharmaceutical term for a drug developed after and similar to an existing approved drug, often a generic or a follow-on product.
特許が切れたので、後発品が市場に出回り始めた。
Since the patent expired, generic drugs have started appearing on the market.
ジェネリック医薬品 is a more common term for generic drugs; 後発品 is a technical term often used in pharmaceutical and regulatory contexts.
Compound of 後発 (later development) and 品 (product), referring to a drug developed after the original.