U.S. policy, China’s strategic rise, blockbuster deals and AI dominated South Korea’s biotechnology industry this year, with U.S. tariffs and the Biosecure Act’s hitch onto 2026 legislation serving as major topics of speculation.

The strategy of taking aim at IL-4Ra (type I and II receptors) and IL-31 by way of a bispecific antibody in atopic dermatitis (AD) has not worked out as well as Johnson & Johnson (J&J) hoped when, last May, the firm paid $1.25 billion to bring the product aboard by acquiring Yellow Jersey Therapeutics, a wholly owned subsidiary of Numab Therapeutics AG.

The U.S. Centers for Medicare & Medicaid Services announced that several Medicare administrative contractors have formally withdrawn local coverage determinations for skin substitutes. There are questions, however, as to whether this will bring an end to excess spending on these products even though the agency has capped the rate paid for entire classes of products.