Often, patentees will file suit before ever talking to the accused infringers, for a number of reasons. First, obviously, that lets them control where suit is filed. If a patentee says the wrong things to an accused infringer prior to suit, they could inadvertently create declaratory judgment jurisdiction and the accused infringer could file in their home jurisdiction. Patentees don't want that.
Filing suit before speaking also shows that the patentee means business. They aren't just going to go away, and they are willing to pay at least the cost of drafting a complaint and the filing fee.
But there are other reasons as well, and today's ruling in TTI Consumer Power Tools, Inc. v. Lowe's Home Centers LLC, C.A. No. 22-673-CFC (D. Del.) shows one of them.
There, the patentee apparently reached out to the defendant long before it intended to file suit. It's not clear exactly how long before, but it was enough time for the future-defendant to inform the plaintiff of the prior art and to file a request for an ex parte reexamination, and for the PTO to grant that request—and then for six weeks to pass after that!
So it must have been no surprise to the patentee that the Court found that all of the stay factors favored a stay, and stayed the case. The theme of the patentee's arguments against a stay were that it shouldn't be penalized for taking time to resolve the issue without litigation—but the Court disagreed ...