Patent Trolls Still Very Busy: These Two 'Innovators' Have Filed 22 Lawsuits Since January Of This Year

Landmark Technology, LLC makes no products and offers no services, something that can easily be surmised by its "address" in Tyler, Texas. It does, however, generate lawsuits and demand letters, most referencing patent 6,289,319: 'Automatic Business and Financial Transaction Processing System.' Or, as the EFF puts it more succinctly: paying with a credit card online.

Landmark's physical address in Tyler, Texas shares office space with other patent trolls, including Techdev Holdings, Eon Corp. IP Holdings and US Ethernet Innovations. Lockwood's m.o. seems unchanged from a decade ago: send demand letters and follow up with a lawsuit.