Here are some news articles about it.
https://www.abc.net.au/news/2022-08-27/moderna-sues-pfizer-for-patent-infringement-over-covid-vaccine/101378992
https://edition.cnn.com/2022/08/26/health/moderna-pfizer-mrna-patent-lawsuit/index.html
https://www.bbc.com/news/health-62691102
https://www.aljazeera.com/news/2022/8/26/moderna-sues-rival-vaccine-makers-pfizer-and-biontech
That is all fine with me. I love it when dog eats dog.
I hope Moderna will pay the damages bill when it is clear that the vaccines have caused more harm than good.
Also note that Moderna had the patent on the spike protein that that appeared on the original coronavirus 2 years before this all started, in 2017. You can even find published papers in the literature on how to make the spike protein.