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[Atp] Re: AT Protocol Trademark

Eric Rescorla <ekr@rtfm.com> Fri, 17 July 2026 13:16 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Fri, 17 Jul 2026 06:15:58 -0700
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Subject: [Atp] Re: AT Protocol Trademark
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On Fri, Jul 17, 2026 at 6:04 AM Daniel Holmgren <daniel=
40blueskyweb.xyz@dmarc.ietf.org> wrote:

> Hey folks,
>
> Bluesky recently announced that it now owns the trademark for
> "ATPROTOCOL". You can read more details in the announcement post:
> https://atproto.com/blog/at-protocol-trademark
>
> The short version is that another company threatened litigation, so
> Bluesky purchased the trademark to protect both Bluesky and other
> companies/projects building with the protocol. Bluesky has adopted as
> permissive a policy as possible without losing trademark rights, taking
> inspiration from projects such as Wikimedia, Red Hat, Rust, Python
> Foundation, Apache, Mozilla, Linux, and Debian.
>

I'm not super familiar with these other trademarks, but Mozilla's policy
[0]  isn't
really that permissive. To start big, I can't call my product "firefox",
but I also
have to include a trademark attribution notice, can't use it as the name of
my
business, put it on merchandise for sale, etc.

-Ekr

[0] https://www.mozilla.org/en-US/foundation/trademarks/policy/

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