Katie Biber is Chief Legal Officer at Paradigm. She was previously General Counsel at Anchorage, CLO at Brex, and Senior Counsel at Airbnb. Katie spent the first decade of her career as a campaign finance and First Amendment lawyer on the front lines of politics. She earned her J.D. from Harvard Law School and B.A. from George Washington University.
Written by Katie Biber
Paradigm Files Ninth Circuit Amicus Brief to Oppose State Encroachment on Federal Regulation
The Ninth Circuit should follow the clear statutory text and historical record. Federal law governs these markets, full stop. Allowing states to override that judgment would undermine regulatory certainty, stifle innovation, and unravel a system Congress carefully constructed.
01.16.2026|Katie BiberJustin Slaughter
Paradigm Files (Another) Amicus Brief to Oppose State Encroachment on Federal Regulation
Yesterday, Paradigm filed an amicus brief in KalshiEX LLC v. Martin, a Fourth Circuit case about Maryland’s effort to treat federally regulated swaps as gambling. This isn’t a close call.
10.22.2025|Katie BiberJustin Slaughter
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