Square D does not distinguish between actual counterfeits, and genuine Square D products that were intended for distribution outside the USA, then imported by someone outside of the 'official' Square D distribution system.
Square D is using Copyright / Trademark law to enforce their marketing scheme.
The US Supreme Court has agreed to hear a case (Kertsaeng vs. John Wiley & Sons) on this exact point.
Personally, I have no issues with a breaker made under Square D supervision, listed by UL, but brought to me through some source besides the 'official' Square D dealer in my area.
Case in point: A Square D panel readily available from the Square D distributor in Nevada for $50 was quoted to me by the Arkansas dealer at $800. For a 10-space, Homeline panel, that's a bit much. I obtained the panel ... for $50, and had it shipped here.
I have set a quarter aside for Square D ... should they want to call someone who cares.