"open source" is not a trademark. Technically he can say whatever.
I don’t think Katdork is claiming the phrase “open source” is protected. He’s just saying it’s inaccurate in this case. Like claiming a fish has arms — the statement is legal, it’s just wrong.
alt Hacker News
I don’t think Katdork is claiming the phrase “open source” is protected. He’s just saying it’s inaccurate in this case. Like claiming a fish has arms — the statement is legal, it’s just wrong.