Trademark Overview
On Saturday, May 9, 2026, a trademark application was filed for HIEFF with the United States Patent and Trademark Office. The USPTO has given the HIEFF trademark a serial number of 79453244. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, July 2, 2026. This trademark is owned by Yeasen Biotechnology (Shanghai) Co., Ltd. The HIEFF trademark is filed in the Chemical Products, Pharmaceutical Products, and Computer & Software Services & Scientific Services categories with the following description:
Diagnostic biomarker reagents for medical purposes; medicines for human purposes; antiseptics; biological tissue cultures for medical purposes; vaccines; biological preparations for medical purposes; chemico-pharmaceutical preparations; preparations of microorganisms for medical or veterinary use; enzyme preparations for medical purposes; bouillons for bacteriological cultures for medical purposes or veterinary purposes.
Enzymes for industrial purposes; enzyme preparations for industrial purposes; biological preparations, other than for medical or veterinary purposes; chemical reagents, other than for medical or veterinary purposes; preparations of microorganisms, other than for medical and veterinary use; biochemical catalysts; bacterial preparations, other than for medical and veterinary use; antioxidants for use in the manufacture of pharmaceuticals; chemical preparations for scientific purposes, other than for medical or veterinary use; chemical substances for analyses in laboratories, other than for medical or veterinary purposes.
Research and development of new products for others; quality testing; scientific research; scientific laboratory services; chemical research; chemical analysis; biological research; bacteriological research; material testing; calibration [measuring].
