Concerns grow over long-running low-cost filing agency Trademark Plus Numerous reviews claim its Google ads are misleading and refunds not given Expert says USPTO should investigate or take action on suspicious agencies Concerns are growing over the operations of long-running low-cost IP agency Trademark Plus, with a rise in customer complaints in recent months. The company, which operates a number of sub-brands and “the number one affiliate program in trademarks”, has been accused by dozens of clients of being a “scam”, with one expert telling WTR that the USPTO should investigate p...