The U.S. Patent and Trademark Office has refused Tesla's attempt to trademark the term "Robotaxi" in reference to its vehicles, TechCrunch reported on Wednesday, citing a filing. Another application by Tesla to trademark the term "Robotaxi" for its upcoming ride-hailing service is still under examination by the office, the report said. The USPTO issued on Tuesday a "nonfinal office action" on the Robotaxi trademark application, which means Tesla has three months to file a response or the office