USPTO published HARDNOX trademark application TM99739632 on April 2, 2026. The application covers a broad range of protein-enriched and nutritional products including sports beverages, protein water, energy drinks, powdered drink mixes, nutritional supplements, protein bars, and cereal-based energy bars in International Class 005 (pharmaceuticals and dietary supplements). The applicant has filed under an Intent to Use basis, meaning the mark is not yet in use in commerce but the applicant intends to use it.

No compliance action is required from the industry. However, companies manufacturing or selling protein beverages, nutritional supplements, or related products should review the goods description to assess whether HARDNOX may create consumer confusion with existing marks. Competitors have approximately three months from the publication date to file a formal opposition with the USPTO Trademark Trial and Appeal Board if they can demonstrate likelihood of confusion with prior registered or pending marks. The trademark applicant must eventually demonstrate actual commercial use of the mark to obtain registration.