ANDOVER, Mass.--(BUSINESS WIRE)--Diomed, Inc., a subsidiary of Diomed Holdings, Inc. (AMEX: DIO), a leading developer and marketer of minimally invasive medical technologies, today announced that on November 20, 2006, Judge Maxine Chesney of the United States Federal District Court for the Northern District of California has issued a ‘Markman’ order construing the meaning of certain language in a series of patent claims asserted against Diomed by VNUS Medical Technologies, Inc.