NEWPORT BEACH, Calif.--(BUSINESS WIRE)--March 7, 2006--Acacia Research Corporation (Nasdaq:CBMX) (Nasdaq:ACTG) announced today that Dr. Amit Kumar, President and CEO of CombiMatrix Corporation, will present an invited talk at the 4th Annual Knowledge Millennium Summit in India, on March 27th. This summit will focus on advances in biotechnology and nanotechnology, and includes participation from a group of international companies. This presentation will enable CombiMatrix to present its technology and products to the rapidly growing Indian and Asian Biotech and Nanotech communities as well as to participants from other countries.