 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the merger of Seneca Biopharma, Inc. NASDAQ: SNCA and Leading BioSciences, Inc. is fair to Seneca shareholders. Halper Sadeh encourages Seneca shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at 212 763-0060 or or The investigation concerns whether Seneca and its board of 