Tantech Holdings Ltd (NASDAQ:TANH) (the "Company" or "Tantech"), today announced that its U.S. subsidiary, Tanhome Group Inc., has received a Notice of Allowance (NOA) from the United States Patent and Trademark Office (USPTO) for a Hanging Cabinet design patent application.

The Notice of Allowance indicates that the patent application has successfully passed the USPTO's examination process and, upon payment of the required issue fee, will proceed to the final stage of patent grant.

The hanging cabinet design focuses on innovative storage solutions for modern residential interiors. The design aligns closely with the Company's ongoing strategy to develop a green home and building materials ecosystem. Once officially granted, the patent is expected to further strengthen the Company's intellectual property protection in the field of cabinet and home storage product design.

As part of its North American market strategy, Tantech continues to expand its intellectual property portfolio in cabinets, flooring solutions, and related home products. These initiatives are expected to support the Company's business expansion in environmentally friendly home building materials and integrated interior solutions.