Biogen pays up to $1B for secretive San Diego biotech RayThera, gaining three undisclosed anti-inflammatory candidates to expand in I&I.

The companies didn’t specify the drugs Biogen is acquiring in the deal, though patents Raythera secured provide important clues.

Biogen pays up to $1B for secretive San Diego biotech RayThera, gaining three undisclosed anti-inflammatory candidates to expand in I&I.