I had looked for that one, because that was what got syndicated in the little local farmer paper in which I first saw this. However, after 5 minutes in DDG I just took the top result that mentioned that Deere is alleging infringement for work done by a firm it had previously attempted to purchase. I thought that was a notable detail...
https://www.bloomberg.com/news/articles/2018-06-20/deere-sui...