Tantech Holdings shares surge 16.42% premarket after subsidiary secures USPTO trademark approval for Green Home Ecosystem expansion.

Tantech Holdings surged 16.42% in premarket trading following its announcement that its U.S. subsidiary, Tanhome Group Inc., received a Notice of Allowance (NOA) from the U.S. Patent and Trademark Office for the "TANHOME" trademark. This milestone strengthens the company’s intellectual property protection for its "Green Home Ecosystem" strategy in North America, covering flooring, cabinets, and business management services. The CEO emphasized the significance of the trademark for brand credibility and future operational expansion, aligning with the company’s focus on eco-friendly building materials. The approval marks a critical step toward completing the trademark registration, which supports long-term growth plans and shareholder value.