Life Technologies Corp. v. Promega Corp. was a case decided by the Chief Justice that took his seat on what date?
Life Technologies Corp. v. Promega Corp.:  Chief Justice John Roberts took no part in the decision of the case. John Roberts:  He took his seat on September 29, 2005, having been nominated by President George W. Bush after the death of chief justice William Rehnquist.
September 29, 2005