OpGen(OPGN) - Prospectus

As filed with the Securities and Exchange Commission on July 14, 2023 Registration No. 333-______________ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OPGEN, INC. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 8071 (Primary Standard Industrial Classification Code Number) 06-1614015 (I.R.S. Employer Identification Number) 9717 Key West Avenue, Suite 100 Rockville, MD 20850 (301) 869-9683 (Address, inclu ...