Counsel registry

Liston Abramson

10 case appearances — 8 as plaintiff counsel · 2 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.
eBay Inc. v. MercExchange (2006)
Pre-eBay, an injunction was a kill switch a patent holder could threaten. Post-eBay, the worst is monetary damages — and for an NPE that wants license fees anyway, the four-factor test usually fails on the irreparable-harm prong.
The first 30 days after a patent infringement complaint
Most defendants spend the first 30 days reacting. The defendants who do well spend it sequencing — because every move you make in month one shapes the budget, leverage, and exit options for the next two years.
What patent litigation actually costs (AIPLA Economic Survey)
It costs a few hundred dollars to file a patent complaint and a median of $1.5M-$3.2M to defend one through trial. That gap isn't a side effect of patent litigation — for a troll, it is the entire business model.
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.