Counsel registry

Rivkin Radler

3 case appearances — 3 as plaintiff counsel · 0 as defendant counsel.

Attorneys

Further reading

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.
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.
Declaratory judgment actions: when to flip the table on a patent troll
The patent holder is the one with the patent. They're not always the one who gets to pick the courtroom.
Joint defense groups: economics, formation, and the privilege framework
An NPE sues twenty defendants on one patent. Solo, each faces $3-5M in defense costs. Pooled into a joint defense group, the per-defendant number drops to $200-500K. The economics only work if the privilege framework is set up correctly.
How to read a patent claim chart
The claim chart is where the plaintiff's case actually lives. The complaint is a pitch deck; the chart is the homework — and most patent troll homework doesn't survive a careful read.