Jonathan has acted as lead attorney in actions in numerous securities class actions, including actions against Zillow Group, Inc., Blue Earth, Inc., Trulieve, Inc., Walter Investment Management, Inc., Longeveron, Inc., State Street, Inc., Electronic Game Card, Inc., Pretium Resources, Inc., Paypal Holdings, Inc., Sunpower Corporation, Cellceutix Corporation, QRX Pharma LTD, He has also litigated claims against several foreign companies, including Montage Technology Company and Lihua International, Inc., and Semiconductor Manufacturing International Corporation, which are based in the People’s Republic of China, Amaya, Inc., based in Canada, CD Projekt, based in Warsaw, Deutsche Bank, based in Germany, and Magnachip Semiconductor Corporation, based in the Republic of Korea. Amaya, CD Projekt, Semiconductor Manufacturing International, and Deutsche Bank were involved in claims against companies whose securities were listed both in the United States and abroad. Jonathan also took several depositions using translators in the Republic of Korea in connection with the Magnachip case. Jonathan also acted as lead attorney in an action against the auditors of Electronic Game Card. Jonathan also acted as lead counsel in a successful derivative action against the directors, officers, and controlling shareholders of SeaWorld. Jonathan’s settlement in the Longeveron action also resolved claims against Longeveron’s underwriters.  Jonathan also has experience practicing in Bankruptcy Court, successfully arguing for a partial lifting of the automatic stay in a case against F-Squared Inc. so that securities claims could proceed in Federal Court.