 New York, New York--Newsfile Corp. - December 8, 2020 - The Klein Law Firm announces that a class action complaint has been filed on behalf of shareholders of Zosano Pharma Corporation NASDAQ: ZSAN alleging that the Company violated federal securities laws.Class Period: February 13, 2017 and September 30, 2020Lead Plaintiff Deadline: December 28, 2020Learn more about your recoverable losses in ZSAN: 