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Good spot!

I remember the RAF attempted to trademark it's roundel in the clothing sector. Fought successfully by Lambretta on the basis that for clothes, the public associated the roundel with Lambretta.
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I see similarly that NATO and N.A.T.O has been taken by Watchgecko in the UK: https://trademarks.ipo.gov.uk/ipo-tmcase/page/Results/1/UK00002614162

I see lots of people in the UK sell NATO straps,...