Counsel registry

Wiley Rein

6 case appearances — 1 as plaintiff counsel · 5 as defendant counsel.

Attorneys

Further reading

How to respond to a patent troll demand letter
Trolls don't write demand letters expecting a fight. The right response makes you the wrong target.
The America Invents Act (2011)
The AIA was the structural reform that gave defendants modern tools — IPR, broader prior art, joinder limits. The unfinished work is cost: AIA didn't make defense free, it made defense possible.
Mayo Collaborative Services v. Prometheus Laboratories (2012)
The two-step framework defendants now recite from memory comes from Mayo, not Alice. Mayo is the often-overlooked but doctrinally essential ancestor of every modern § 101 motion.
Most-litigated US patents: 12 patents that defined the patent troll era
If a demand letter lands on your desk citing one of these, you are not the first. The campaign playbook is on file. The defenses other defendants used are public record.
Patent trolls in 2025: the year in numbers
2025 was a banner year for patent trolls — and not by accident. Filings surged while the defendant's cheapest weapon, the PTAB, was quietly taken off the table. Here's what the reporting shows, and why the two are connected.