That's not true of course. There are hundreds of such cases with varying outcomes [0][1][2]

[0] https://en.wikipedia.org/wiki/Facebook,_Inc._v._Power_Ventur....

[1] https://en.wikipedia.org/wiki/MDY_Industries,_LLC_v._Blizzar....

[2] https://en.wikipedia.org/wiki/EBay_v._Bidder%27s_Edge