About David
David Rothstein is an attorney admitted to practice in New Hampshire and before the United States Court of Appeals for the First Circuit. After completing his legal education, he entered private practice and established a practice that regularly appears in both state and federal forums. He represents clients in matters that progress through trial courts and appellate review.
Over the course of his career, Rothstein has worked on a range of contested matters that reached appellate consideration. He is familiar with the procedures and written-briefing demands that federal appellate work requires. That experience informs how he prepares cases at the trial level, aiming to keep appellate issues clear and preserved for later review when appropriate.
Rothstein’s courtroom work includes briefing and arguing appeals before the First Circuit and filing matters in New Hampshire state courts. He has handled appeals that involve statutory interpretation, procedural challenges, and questions about the application of state law. His approach to appellate practice emphasizes careful record development and concise, direct appellate briefs. He also assists clients in assessing whether an appeal is likely to advance their objectives or whether alternative dispute resolution or settlement may better serve their interests.
At Rothstein Law LLC, he practices under his own firm name and serves clients from a range of backgrounds. The firm manages cases that move between trial and appellate levels, and Rothstein conducts the advocacy necessary at each stage. He works with clients to identify the legal and practical consequences of litigation choices, and he drafts the motions, briefs, and pleadings that drive those choices forward.
Outside of courtroom filings, Rothstein spends time preparing the written advocacy that appellate judges review: concise records, focused legal arguments, and clear statements of the contested facts. He is known among peers for a methodical approach to preparing records for appeal and for attention to procedural detail. As of 2026, he practices at Rothstein Law LLC and represents clients in matters arising in New Hampshire courts and before the First Circuit.
