Inventor of hoverboard learns hard lesson on protecting patents

The relevant patent infringement case Inventist, Inc. v. Ninebot, Inc. started in 2016, and the trial will not take place UNTIL 2023. https://www.courtlistener.com/docket/4411896/inventist-inc-v...

The inventor has not made any money from the invention, despite the US patent. Other links: https://www.theguardian.com/technology/2016/jan/08/hoverboar.... https://www.forbes.com/sites/wadeshepard/2018/01/31/meet-the...