Is Landmark Technology’s Two-Decade Patent Assault On E-Commerce Finally Over?

Landmark Technology’s U.S. Patent No. 7,010,508, and its predecessor, are very likely two of the most-abused patents in U.S. history. These patents, under two different owners, have been used to threaten thousands of small businesses since 2001. 

In just one 18-month period, the ‘508 patent was the subject of more than 1,800 patent demand letters sent to more than 1,100 different businesses. All of these businesses were told to pay up—typically $65,000—for using basic e-commerce technology like home pages, …