Counsel registry

Freitas & Weinberg

1 case appearance — 1 as plaintiff counsel · 0 as defendant counsel.

Attorneys

Further reading

Patent reviews: IPR, PGR, and reexamination
Suing in district court to invalidate a patent costs $3-5M and takes years. The USPTO's post-grant review system does it for $200-500k and 12-18 months. For a defendant facing a weak patent, the choice is usually obvious.
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.
Cost of Inter Partes Review (IPR): a 2026 breakdown
An IPR ends most cases when the prior art is real. The all-in cost is roughly a tenth of full litigation — but only if you stage it right.
The patent litigation lifecycle
Most patent cases never reach trial. A defendant who understands the lifecycle makes better decisions about when to fight, when to settle, and when to invest in IPR — instead of overspending on whatever phase they happen to be in.
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.