They aren&#x27;t all that rare at all. But they also aren&#x27;t typically as ridiculous as the print-to-scan patent trolling scheme.<p>Usually they go after medium sized fish and ask for ~100-200k. It&#x27;s cheaper than a suit or an post grant review.<p>But even the medium fish are hundreds of millions &#x2F; billion dollar companies.<p>The patent trolling going after the little guy is mostly exaggeration. Most trolls aim for deep pockets.<p>Plus you can lowball the shit out of trolls who send letters. Since you know they aren&#x27;t serious. If they were, they&#x27;d never risk a declaratory judgement suit in a defendant favorable district. They&#x27;d just hit you in E.D. Tex or DE.