Written by Mark Terry Yes, it can. A product can most definitely infringe a method of manufacture patent. I recently sent a cease a desist letter to a retailer of a luggage product that was manufactured using my client’s patented method of manufacture. His attorney – a patent attorney who’d been practicing for many years – responded with a letter that tersely stated, “all of the claims of the ‘226 patent are method claims and this no product could infringe a claim, only the practicing of a method could infringe.” That’s it – that’s all he had to say about