Immucor, Inc. faces a pending lawsuit on behalf of purchasers of Immucor, Inc. (NASDAQ:BLUD) publicly traded securities during the period between October 19, 2005 and April 23, 2009, over alleged violations of Federal Securities Laws by Immucor and others. Meanwhile an investigation on behalf of current long term investors in Immucor, Inc. (NASDAQ:BLUD), including those who purchased BLUD shares in 2008 and continue to hold their BLUD shares, was announced.

Immucor, Inc, located in Norcross, GA, develops, manufactures and sells a line of reagents and automated systems that detect and identify certain properties of the cell and serum components of human blood for the purpose of blood transfusion. According to the complaint filed in the United States District Court for the Northern District of Georgia the plaintiff alleges that Immucor and certain of its officers and directors violated the Securities Exchange Act of 1934 by failing to disclose that Immucor was operating in violation of the federal antitrust laws of the United States. The plaintiff accuses that between October 19, 2005 and April 23, 2009 the defendants materially misrepresented Immucors business operations.

On April 24, 2009, Immucor issued a press release, which stated in part: Immucor, Inc., a global leader in providing automated instrument-reagent systems to the blood transfusion industry, today announced that it received a subpoena from the United States Department of Justice, Antitrust Division, requesting documents for the period beginning September 1, 2000 through the present, pertaining to an investigation of possible violations of the federal criminal antitrust laws in the blood reagents industry. Immucor intends to fully cooperate with the investigation.

As a result of this disclosure, Immucors closing stock price dropped from $20.98 on April 23, 2009 to $15.35 the next trading day, so the lawsuit. The plaintiff accuses that this decrease in Immucors stock price was a result of the artificial inflation caused by defendants misleading statements coming out of the stock price. Immucor, Inc shares (NASDAQ: BLUD) recently traded at $21.50 per share, down from a 52weekHigh of $22.79 per share, $32.57 per share in 2008, and almost $40 per share in 2007.