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  1. United States Patent and Trademark Office

  2. Trademark, patent, or copyright | USPTO

  3. Apply online | USPTO - United States Patent and Trademark Office

  4. Trademark Vs. Copyright Vs. Patent: What’s The Difference?

  5. U.S. Patent and Trademark Office (USPTO) - USAGov

  6. What’s the Difference: Trademark Vs. Patent - Columbia University

  7. Patents, Trademarks, and Copyrights: The Basics

  8. U.S. Patent and Trademark Office | U.S. Department of Commerce

  9. Difference Between Patent and Trademark (EXPLAINED ... - Patent Rebel

  10. Which Protection Do I Need: Patent, Copyright, or Trademark?