Kellogg Hansen specializes in complex trial and appellate litigation. Our lawyers have extensive experience representing both plaintiffs and defendants in trials and appeals throughout the United States. We pride ourselves on the exceptional results we achieve for our clients.

Kellogg Hansen’s lawyers possess outstanding credentials. Nearly all of our partners and associates graduated from top-tier law schools and served as law clerks for federal judges; more than a dozen clerked for Justices of the United States Supreme Court. Many of our lawyers have held significant positions in the federal government. Our lawyers have successfully litigated dozens of trials and appeals for our clients.

Kellogg Hansen’s expertise includes complex commercial litigation, Supreme Court and appellate litigation, governmental investigations and white-collar criminal defense, intellectual property litigation, and telecommunications law.

Kellogg Hansen hires only the most talented and motivated lawyers to join us in our fast-paced and challenging practice. Our philosophy is to offer new associates significant responsibility from the outset of their careers.

Geoffrey J. H. Block

Associate

ph: 202.326.7914
fx: 202.326.7999

Geoffrey Block joined Kellogg Hansen as an associate in 2022. Prior to joining the firm, Mr. Block clerked for Judge Raymond Kethledge of the U.S. Court of Appeals for the Sixth Circuit.

Mr. Block graduated from Yale Law School, where he participated in the Supreme Court Advocacy Clinic and received the Edward D. Robbins Memorial Prize and the John Fletcher Caskey Prize. He also participated in the Advanced Appellate Litigation Project and argued before the Third Circuit. Prior to attending law school, Mr. Block was a Surface Warfare Officer in the U.S. Navy. He earned his undergraduate degree in Industrial & Labor Relations from Cornell University.

Publications

Turf Wars: Arming Congress’s Gang (of Eight), 39 Yale L. & Pol’y Rev. 249 (2020)

Why the Postal Service Is Critical to National Security, Lawfare, (2020)

Congress Must Insert Oversight of Intel Community in COVID Emergency Legislation, Just Security, (2020)

How to Recover a Role for Congress and the Courts in Decisions to Wage War, Just Security, (2020) (with Oona Hathaway)

Education

Yale Law School, J.D., 2021

Thomas Swan Barristers Union Mock Trial Champion, 2019-2020
Morris Tyler Moot Court Finalist, 2020-2021

Cornell University, B.S., 2014

Clerkship

Law Clerk, Judge Raymond Kethledge, U.S. Court of Appeals, Sixth Circuit, 2021-2022

Government Service

Surface Warfare Officer, U.S. Navy, 2014-2018