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A U.S. Court has ruled that Marvel and DC Comics no longer hold the trademark for the term “Superhero”: https://playascifi.com/marvel-dc-lose-superhero-trademark/
@cstross I think it's a hackneyed term that's best avoided, but at the same time: how can two rival companies jointly hold a trademark? Isn't that the opposite of what a trademark is?
@fishidwardrobe @cstross That was actually an explicit part of their arguments against the validity of DC/Marvel's past arguments, as can be seen in the petition itself: https://static1.squarespace.com/static/5cacd395da50d351748d72b5/t/66438f17a54db528bfb516ae/17157
With thanks for the link to @tidmarsh as posted further down the thread. (And I agree, the petition is indeed a work of art, both figuratively and literally.)