When you are served with a summons, you'll have to spend like US$5k to retain a lawyer who is comparable in capcity to THEIR legal team, and that's just the start! Go figure if you lose the case ...
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You are way, way off.
A recent court case cost me $50,000 to defend --and I got off lightly. The plaintiffs had a bottomless pit of money.
Studies have shown the cost of an average trademark litigation is approximately $250,000.