After months of anticipation, Supreme Court justices heard arguments on Wednesday about a long-standing tactic used by generic drug companies to carve out a distinct market for a medicine—and did not appear inclined to alter legal standards for the maneuver.

At issue is skinny labeling, a strategy employed by generic manufacturers to seek regulatory approval for marketing a drug for a specific use, while excluding other patented uses prescribed by brand-name medicines. For example, a generic drug could be approved to treat one type of heart condition but not another, thereby reducing the risk of patent infringement lawsuits.

This tactic has been a key tool for generic companies since the Hatch-Waxman Act was signed into law more than four decades ago. The legislation established the framework for generic drugs to enter the market more easily, with skinny labeling serving as one method Congress used to foster competition and benefit consumers.

Source: STAT News