You are not defending your trademark, but using it to take down a project which had done what you did in a way that is more affordable and gave more control to users.

It is a shame that Coinkite engages in this behavior and harms the Bitcoin and open source ecosystem, the same ecosystem it profits off of, with one example being the starting point of the Coldcard.

It is difficult to see any good faith actions here.

The name BTClock is highly unlikely to be confused with Blockclock. You can only lose a trademark if there is obvious infringement happening and you do nothing.

Should Satochip go after you and your trademark because you made Satschip, which has the actual potential of confusing users? nostr:note1lu2v6y623mgx0xh35jx0tg6euqgqg3xxuy92vdttkfgcgg4nwkmsnhc4u5 

 Maybe it’s because I’m an idiot, but fwiw I literally did have a hard time following and did confuse them. 
*No skin in this fight of any kind.