Barbour, a UK apparel company, sells shirts with a ‘flag’ on the breast pocket:

Levis sells apparel which has ‘tabs’ on the pockets.  It owns various registrations for the tab.

Levis aggressively polices its tab trademarks.  It sent a demand letter to Barbour, alleging infringement and dilution.  Barbour brought a DJ action. Barbour notes third-party use of tabs.

 

Disclosure: I have a heavy cable-knit Barbour sweater which is over twenty years old, and a more recently-purchased Barbour wind-breaker.

 

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