 New York, New York--Newsfile Corp. - October 1, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of PolarityTE, Inc. NASDAQ: PTE between April 30, 2020 and August 23, 2021, inclusive the Class Period. A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no... 