[fncypants]

The article gives several examples, including a lawsuit against GNOME Foundation.

It also links to a study that backs up the figures in the title:

> The recent UnifiedPatents, Defending Open Source: An 2022 Litigation Update, report shows patent troll attacks on open-source projects are on track for a 100% increase over 2021.[1]

The report shows its trend graph, and explains its findings:

> Looking specifically at all kinds of NPEs, open-source patent litigation has reached 617 cases, and is on track for over 1,200 cases. This would nearly double the total amount of cases brought in 721 against open source technologies.

[1] https://www.unifiedpatents.com/insights/2022/6/9/defending-o...