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O’Reilly claim copyright over “Web2.0”

This must be a joke, misunderstanding or a lawyer gone AWOL…

According to his blog, Tom Raftery has been sent a C&D latter (Cease and Desist) by lawyers working on behalf of CMP Media (who organise the Web2.0 conference with O’Reilly).

They are asserting that he is not allowed to use the term “web2.0” in his does-what-it-says-on-the-tin “IT@Cork Web 2.0 half day Conference” named event.

“Basically O’Reilly are claiming to have applied for a trademark for the term “Web 2.0? and therefore IT@Cork can’t use the term for its conference. Apparantly (sic) use of the term “Web 2.0? is a “flagrant violation” of their trademark rights!”

Copy of the letter

I simply can’t believe O’Reilly are doing this, and I almost feel like the need to check my calendar to confirm it’s not April 1st!

Published in News


  1. Hillarious!

    How un-web2.0 could you possibly get?

  2. This is CMP we’re talking about – what do you ecpect?

  3. Can I interrupt a moment to lay claim to the concept and name of Web 4.0 please. In my mind it is kind of like Web 2.0 excluding anything that could get me sued. Please not that I have skipped Web 3.0 to avoid confusion with Web 1.0 and Wen 2.0 Layer III. 🙂

  4. Presumably the d.Construct Web 2.0 Conference you spoke at was nothing of the sort…

  5. BBCBob BBCBob

    As fas as I know Dale Dougherty and Tim O’Reilly coined the term Web 2.0 for a conference in 2004. I don’t see a reason why they shouldn’t have exclusivity if they ‘invented’ it and have a valid trademark to use that work in the conference context.

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