It's fairly common for a patentee to bring suit simultaneously against both a customer who is using or reselling an infringing product and the manufacturer who produced the product.
Sometimes the customer is the real target, and sometimes it's the manufacturer. Either way, some courts have recognized a "customer suit exception" that suggests that, under some circumstances, suits against a manufacturer should take precedence over a suit against a customer.
As courts sometimes point out, the customer suit "exception" began as an exception to the first filed rule in patent cases. But courts can also apply the principle more broadly, including to motions to stay.
For example, last week Judge Williams addressed a motion to stay …