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Areas of Focus

• Antitrust Litigation
• Commercial Litigation
• Government Investigations and White Collar
• Intellectual Property Litigation
• Litigation Finance
• Supreme Court and Appellate Practice
• Telecommunications

Attorneys

• Angstreich H. Scott
• Benz F. Steven
• Beynon A. Rebecca
• Bird G. Daniel
• Branson D. Joshua
• Conyngham J. William
• Cooper C. Katherine
• Dorris V. Daniel
• Duffy M. Matthew
• Fetterman M. Kenneth
• Figel M. Reid
• Frederick C. David
• Goldsmith E. Andrew
• Guzman J. Michael
• Hall S. Joseph
• Hansen C. Mark
• Hartman E. Jake
• Ho T. Derek
• Horvitz D. Kevin
• Huff B. Kevin
• Kellogg K. Michael
• Klineberg M. Geoffrey
• Knofczynski W. Grace
• Leo T. Evan
• Miller J. Kevin
• Nemelka N. Michael
• Oppenheimer E. Bradley
• Panner M. Aaron
• Pope V. Leslie
• Rapawy G. Gregory
• Schultz G. Thomas
• Schwarz L. David
• Severson S. Daniel
• Shen C. Andrew
• Smith V. Lillian
• Strikis A. Silvija
• Thorne John
• Traxler, Jr. W. Thomas
• Todd K. Chris
• Webster Jim
• Attaway K. Scott
• Ávila Alejandra
• Hetherington M. Andrew
• Migdal Ariela
• DeLisle Rachel Anderson
• Berg B. Justin
• Bissell E. Perot
• Block J.H. Geoffrey
• Darling L. Brenna
• DeHart E. Abigail
• DePalo D.C. Hannah
• Edwards G. Travis
• Folio M. Ryan
• Gallenstein D. Chanslor
• Gillespie Nataliia
• Goodnow C. Christopher
• Grigel B. Kyle
• Hirschboeck P. Mark
• Howe Dennis D
• Jones R. Bethan
• Klipper C. Robert
• Liebman I. Jonathan
• Maier J. Eric
• Morales-Kimball M. Annamaria
• Parkinson A. Alex
• Paul Nikolic Ana
• Pfeffer M. Eliana
• Picard J. Alyssa
• Polavarapu P. Aaseesh
• Reade D. Matthew
• Redlingshafer Cassie
• Reinbold Derek
• Robinett H. Chase
• Ruck A. Jimmy
• Weaver M. Hilary
• Wilkins J. Matthew
• Young M. Christopher
• Briggs A. Kimberly
• Cella E. Thomas
• Churella J. Andrew
• Davies M. Joseph
• Forman M. Wallace
• Grody J. Michael
• Massobrio G. Carla
• Moore L. Robert
• Moran H. James
• Parker M. Bennett
• Pecknay A. Michael
• Purkey W. Michael
• Rodriguez Melissa
• Samuels B. Thomas
• Scanlan J. Robert
• Sorensen J. Andrew
• Sorenson L. Amanda
• Threatt S. Nerissa
• Wesely H. David
• Zuckman S. Michael
• Han Minsuk
• LeGore J. Kaleb
• Levin E. Stephine
• Guttman R. Anthony
• Khayyat Rund
• Mason A. Jahvonta
• Quirk P. Sean
• Gosanko Alexander ("Zander") N.
• Negrón-Reichard Diego
• Stehle Jared N
• Varghese G. Reno
• Nagurka A. Jarrod
• Meskell M. Zachary
• Driscoll L. Kerry
• Salamat A. Lisa
• Parekh N. Rohan
• Giotta E. Natalie
• Drecun N. Matthew
• MacGuidwin T. Scott
• Horvath P S Tiffany
• Urban D Nathaniel
• McCue C Michael
• Vaisey* Ariana B
• DiSibio Rachel M
• Chochrek Ella S
• Suarez-Murias Noelle
• DeBlieux Emily S
• Xu* Eric X
• Sharma Neha
• Lockwood Spencer R
• Tauscher Zach
• Crockett Seth D
• Hicks Donovan J
• Bright Kyle D
• Lawrence Christie
• Ghotbi Kate
• Kim* Nathaniel L
• Lisman Evan O.
• Cole* Justin D
• Sarma Christopher M
• Beussink Drew T
• Frederick Hall G
• Kunkel Declan R
• Flynn* Sean P
• Kim Hojoon
• Desir Ecclesiaste ("Clay") G
• Winesett Matthew H

Undergrads

• American University
• Arizona State University
• Bard College
• Berklee College of Music
• Binghamton University
• Boston College
• Brigham Young University
• Brown University
• Case Western Reserve University
• Columbia University
• Connecticut College
• Cornell University
• Dartmouth College
• Dickinson College
• Duke University
• Eastern Kentucky University
• Emory University
• George Washington University
• Georgetown University
• Gettysburg College
• Grand Valley State University
• Harvard College
• Harvard University
• Howard University
• James Madison University
• John Jay College of Criminal Justice
• Johns Hopkins University
• Kenyon College
• Kyiv National Linguistic University
• Lehigh University
• Massachusetts Institute of Technology
• Middlebury College
• New York University
• Northwestern University
• Notre Dame College of Ohio
• Pace University
• Pennsylvania State University
• Pomona College
• Princeton University
• Rutgers University
• Seoul National University Business School
• Southeast Missouri State University
• Stanford University
• Swarthmore College
• Texas A&M International University
• Texas A&M University School of Law
• Texas Tech University
• The Catholic University of America
• The College of William & Mary
• Transylvania University
• Tufts University
• Tulane University
• United States Military Academy
• University of California, Berkeley
• University of California, Davis
• University of California, Los Angeles
• University of California, Santa Barbara
• University of Chicago
• University of Colorado Boulder
• University of Denver
• University of Georgia
• University of Illinois
• University of Iowa
• University of Maryland
• University of Michigan
• University of Minnesota
• University of Nevada
• University of Nevada, Las Vegas
• University of North Carolina at Chapel Hill
• University of Notre Dame
• University of Pennsylvania
• University of Pittsburgh
• University of Southern California
• University of Texas
• University of Tulsa
• University of Utah
• University of Virginia
• Vanderbilt University
• Vassar College
• Virginia Commonwealth University
• Washington University in St. Louis
• Wesleyan University
• Western Carolina University
• Wofford College
• Yale University

Titles

• Associate
• Of Counsel
• Partner
• Senior Staff Attorney
• Staff Attorney

Law Schools

• American University Washington College Law School
• Arizona State University, Sandra Day O’Connor College of Law
• Boston University School of Law
• Brooklyn Law School
• Cleveland-Marshall College of Law, Cleveland State University
• Columbia Law School
• Columbus School of Law, Catholic University of America
• Cornell Law School
• Duke University School of Law
• ESADE Law School, Ramon Llull University
• George Mason University School of Law
• Georgetown University Law Center
• Gonzaga University School of Law
• Harvard Law School
• Maurice A. Deane School Law at Hofstra University
• New York University School of Law
• Northwestern University School of Law
• Roger Williams University School of Law
• Seton Hall University School of Law
• Stanford Law School
• Texas A&M University School of Law
• The George Washington University Law School
• The Ohio State University Moritz College of Law
• The University of Chicago Law School
• Thomas M. Cooley Law School
• Tulane University Law School
• University of Barcelona, Licentiate in Law
• University of Michigan Law School
• University of Notre Dame Law School
• University of Pennsylvania Law School
• University of Texas School of Law
• University of Texas School of Law, Austin
• University of Tulsa
• University South Carolina School of Law
• University Virginia School of Law
• Washington University School of Law
• Yale Law School

Law Clerks

• Chief Justice John G. Roberts, Jr
• Judge A. Raymond Rolph
• Judge Allison H. Eid
• Judge Allyson K. Duncan
• Judge Amul R. Thapar
• Judge Amy J. St. Eve
• Judge Andrew J. Kleinfield
• Judge Andrew S. Oldham
• Judge Anita B. Brody
• Judge Anthony J. Scirica
• Judge Anthony J. Trenga
• Judge Beryl A. Howell
• Judge Bridget S. Bade
• Judge Bruce M. Selya
• Judge Carl E. Stewart
• Judge Carl J. Nichols
• Judge Catherine C. Blake
• Judge Chad F. Kenney
• Judge Charles R. Wilson
• Judge Cheryl A. Krause
• Judge D. Michael Fisher
• Judge Dabney L. Friedrich
• Judge Dana M. Douglas
• Judge Daniel A. Bress
• Judge Daniel P. Collins
• Judge Danny J. Boggs
• Judge Deborah L. Cook
• Judge Debra Ann Livingston
• Judge Denise Cote
• Judge Diana G. Motz
• Judge Diane P. Wood
• Judge Diane S. Sykes
• Judge Dolores K. Sloviter
• Judge Douglas H. Ginsburg
• Judge Edward R. Korman
• Judge Eric E. Murphy
• Judge Florence Y. Pan
• Judge Fred I. Parker
• Judge Gabriel P. Sanchez
• Judge Gary S. Feinerman
• Judge George B. Daniels
• Judge George C. Pratt
• Judge Gerald Bard Tjoflat
• Judge Gregg J. Costa
• Judge Gregory G. Katsas
• Judge Gregory H. Woods
• Judge Guido Calabresi
• Judge Gustavo Gelpí
• Judge Harry T. Edwards
• Judge Helene N. White
• Judge Henry F. Floyd
• Judge J. Michelle Childs
• Judge James Andrew Wynn
• Judge James R. Browning
• Judge James Robertson
• Judge James S. Gwin
• Judge Jay S. Bybee
• Judge Jeffrey Alker Meyer
• Judge Jeffrey S. Sutton
• Judge Jerome A. Holmes
• Judge Jerry E. Smith
• Judge John B. Nalbandian
• Judge John J. Tharp, Jr.
• Judge John K. Bush
• Judge John P. Cronan
• Judge John Z. Lee
• Judge Jonathan A. Kobes
• Judge José A. Cabranes
• Judge Joseph T. Sneed
• Judge Judith E. Levy
• Judge Judith W. Rogers
• Judge Julia Smith Gibbons
• Judge Kathleen Cardone
• Judge Keith Ellison
• Judge Kenneth M. Karas
• Judge Kent A. Jordan
• Judge Kermit Lipez
• Judge Kim W. Wardlaw
• Judge Lance M. Africk
• Judge Lewis J. Liman
• Judge Lucy H. Koh
• Judge M. Hannah Lauck
• Judge Malcolm Wilkey
• Judge Margaret M. Garnett
• Judge Mark L. Wolf
• Judge Mark V. Green
• Judge Mary H. Murguia
• Judge Merrick B. Garland
• Judge Micaela Alvarez
• Judge Michael A. Chagares
• Judge Michael Boudin
• Judge Michael E. Farbiarz
• Judge Michael H. Park
• Judge Michael T. Liburdi
• Judge Michael Y. Scudder Jr
• Judge Milan D. Smith Jr
• Judge Neomi Rao
• Judge Pamela Chen
• Judge Pamela Harris
• Judge Pamela Rymer
• Judge Patricia M. Wald
• Judge Patrick E. Higginbotham
• Judge Patty Shwartz
• Judge Paul V. Niemeyer
• Judge Raymond Kethledge
• Judge Raymond Rolph
• Judge Rebecca Pallmeyer
• Judge Reena Raggi
• Judge Richard G. Taranto
• Judge Robert B. King
• Judge Robert D. Sack
• Judge Robert E. Bacharach
• Judge Robert J. Shelby
• Judge Roger L. Gregory
• Judge Roger Wollman
• Judge Royce C. Lamberth
• Judge Rudolph Contreras
• Judge Sandra L. Lynch
• Judge Sandra S. Ikuta
• Judge Sarah S. Vance
• Judge Stanley Marcus
• Judge Stephanie Dawn Thacker
• Judge Stephanos Bibas
• Judge Stephen A. Higginson
• Judge Steven C. Seeger
• Judge Tanya S. Chutkan
• Judge Theodore D. Chuang
• Judge Theodore McKee
• Judge Thomas Hardiman
• Judge Thomas M. Hardiman
• Judge Thomas T. Cullen
• Judge Trevor N. McFadden
• Judge Vernon Dion Oliver
• Judge Walter J. Cummings
• Judge William H. Pryor
• Judge William H. Timbers
• Judge William M. Taylor Jr
• Justice Anthony M. Kennedy
• Justice Antonin Scalia
• Justice Byron R. White
• Justice Clarence Thomas
• Justice David H. Souter
• Justice Evan A. Young
• Justice Harry A. Blackmun
• Justice Sandra Day O’Connor
• Justice Sonia Sotomayor
• Justice Stephen G. Breyer
• Justice William H. Rehnquist

Areas of Focus

• Antitrust Litigation
• Commercial Litigation
• Government Investigations and White Collar
• Intellectual Property Litigation
• Litigation Finance
• Supreme Court and Appellate Practice
• Telecommunications

Admissions

• Alabama
• Arizona
• California
• Colorado
• District of Columbia
• Hawaii
• Illinois
• Indiana
• Iowa
• Kansas
• Maryland
• Massachusetts
• Michigan
• Minnesota
• New Jersey
• New York
• North Carolina
• Pennsylvania
• South Carolina
• Supreme Court of the United States
• Texas
• Virginia
• Washington

Posts

• Statement on the Nomination of Neil M. Gorsuch to the United States Supreme Court
• Kellogg Hansen Pleased to Sponsor the 2017 Robert E. Wone Judicial Clerkship & Internship Conference
• Kellogg Hansen Honored by the American Antitrust Institute
• Tips for Representing Consumers and Investors in the Supreme Court
• Kellogg Hansen Announces Dan Dorris and Leslie Pope have become Partner
• Featured in Law360: 5th Circ. Adds To Split On Review Of Jury Instruction Errors
• Kellogg Hansen Partner David Frederick Delivers 50th Argument in United States Supreme Court
• When the Trains Don’t Come: Suing the Railroad
• Former AmerisourceBergen Executive Blows the Whistle on Massive Drug Overfill Laundering Scheme, Leading to $885 Million Combined Civil and Criminal Settlement
• Kellogg Hansen Associate Minsuk Han Successfully Argued Before the 9th Circ. in an APA Challenge to a Federal Cooperative Farming Program
• Kellogg Hansen Attorneys Named to the 2018 Capital Pro Bono Honor Roll
• Civilian Employee’s Hostile Work Environment Suit Leads to Significant Settlement with the U.S. Army
• U.S. Supreme Court Rules Kellogg Hansen Clients Can Sue Apple for Monopolizing the Market for iPhone Apps
• U.S. Supreme Court Clarifies Legal Standard for “Clear Evidence” Preemption In Manner Favorable to Plaintiffs
• Geoffrey Klineberg Elected President-Elect of the D.C. Bar
• Fourth Circ. Decision a Step Toward Justice for Charleston Families
• Settlement Agreement Reached Between UEBT, California Attorney General, and Sutter Health
• 8th Circ. Affirms Decision to Decertify Class and Grant Summary Judgment for Kellogg Hansen Client
• Kellogg Hansen Attorneys Named to the 2019 Capital Pro Bono Honor Roll
• D.C. Cir. Rules United States Postal Service's Ban on Political Content is Unconstitutional
• $255 Million Medicare Fraud Verdict Upheld Against Consulate Health Care in Whistleblower Suit
• Kellogg Hansen Partner Geoffrey Klineberg Sworn in as D.C. Bar President
• Kellogg Hansen Attorneys Named to the 2020 Capital Pro Bono Honor Roll
• Peter W. Huber, 1952–2021
• Kellogg Hansen Associate Minsuk Han Appointed to Serve on the D.C. Bar Rules of Professional Conduct Review Committee
• Divide On Standing In Patent Cases Needs Fed. Circ. Guidance
• Court Approves $575 Million Settlement in Sutter Health Antitrust Case
• Families of Americans Killed or Injured by Terrorists in Iraq Can Proceed in Anti-Terrorism Act Case Against Pfizer, Johnson & Johnson, GE Healthcare, AstraZeneca, and Roche
• Kellogg Hansen Attorneys Named to the 2021 Capital Pro Bono Honor Roll
• Kellogg Hansen Attorney Michael Guzman Featured in "Mass Torts and Litigation Funding"
• Meta Defeats Photo App's Antitrust Case in US Court
• Appeals Court Affirms Dismissal of AGs Antitrust Lawsuit Against Meta Platforms
• Kellogg Hansen Attorneys Named to the 2022 Capital Pro Bono Honor Roll
• Kellogg Hansen Attorneys Thomas Schultz and Eden Bernstein Published in Law360
• Kellogg Hansen Attorney Bradley Oppenheimer Published in LexisNexis
• Kellogg Hansen Team Achieves Pro Bono Victory
• Minsuk Han Honored as Young Lawyer of the Year by Bar Association of the District of Columbia
• Kellogg Hansen Promotes Four New Partners
• Cisco Systems Resolves Antitrust Allegations and Counterfeit-Trafficking Claims in Sweeping Settlement Agreement
• Kellogg Hansen Welcomes New Partners and Of Counsel
• Featured in Law360:  Living Essentials Urges Supreme Court to Clarify Price Discrimination Law
• Kellogg Hansen Partner Steve Benz Presents at 72nd Annual American Bar Association Antitrust Meeting
• Kellogg Hansen Attorneys Named to the 2023 Capital Pro Bono Honor Roll
• Chinese State-Owned Enterprise Faces Potential Multi-Billion-Dollar Judgment as Sanction for “Malign” Discovery Misconduct
• Kellogg Hansen Partner Derek Ho to Present at Perfect Law Conference
• Kellogg Hansen Published in GCR: High-profile cases shed light on antitrust enforcement against data abuse in the United States
• Featured in Law360: Kellogg Hansen Client NTE Prevails in Antitrust Appeal Against Duke Energy
• Kellogg Hansen Honored as Pro Bono Law Firm Partner of the Year at Bazelon Center for Mental Health Law 2024 Annual Awards
• Kellogg Hansen Partners Derek T. Ho and Bradley E. Oppenheimer Recognized by The National Law Journal
• Kellogg Hansen Partner Minsuk Han Recognized by National Asian Pacific American Bar Association
• Kellogg Hansen Promotes Five New Partners
• Kellogg Hansen Of Counsel Collin R. White Contributes to 2024 Annual Review of Antitrust Law Developments
• Kellogg Hansen Attorneys Named to the 2024 Capital Pro Bono Honor Roll
• Kellogg Hansen Leads $147.4 Million Antitrust Trial Victory for Innovative Health
• Kellogg Hansen Partner Bradley E. Oppenheimer Published in Georgetown Journal of Legal Ethics
• Kellogg Hansen Attorneys Recognized in Chambers USA 2025 for Appellate, Commercial, and Telecom Litigation
• Kellogg Hansen Named to Bloomberg’s 2025 Unrivaled Litigators for Landmark $630 Million Antitrust Settlement
• Kellogg Hansen Of Counsel Alejandra Ávila Elected to Executive Committee of the Edward Coke Appellate Inn of Court
• Kellogg Hansen Partner Alex A. Parkinson Publishes Comprehensive Treatise on Multidistrict Litigation
• Kellogg Hansen Partner Bradley E. Oppenheimer Named to Bloomberg Law’s “They’ve Got Next: The 40 Under 40”
• Law360 Recognizes Kellogg Hansen for Fourth Circuit Victory in Opioid Appeal
• Kellogg Hansen Honored for Outstanding Antitrust Litigation Achievement
• Kellogg Hansen Of Counsel Alejandra Ávila Recognized at 2025 American Lawyer Industry Awards
• Court Rejects FTC’s PSN Market, Issues Defense Verdict for Meta
• Kellogg Hansen Promotes Four New Partners
• The Power of Quantitative Evidence: Kellogg Hansen Interview with Global Competition Review re: FTC v. Meta
• Kellogg Hansen Recognized For Appellate Victory in Atchley v. AstraZeneca UK Ltd., No. 20-7077 (D.C. Cir. Jan. 23, 2026)
• A Day in the Life of a Partner: Alejandra Ávila on Lived Experience, Mentorship, and Sustainable Appellate Careers
• Kellogg Hansen Attorneys Named to the 2025 Capital Pro Bono Honor Roll
• Kellogg Hansen Attorneys Recognized in Chambers USA 2026 for Antitrust, Appellate, Commercial, Telecom Litigation
• Kellogg Hansen Partner Minsuk Han Appointed to Serve as Chair of the D.C. Bar Rules of Professional Conduct Review Committee
• Kellogg Hansen Honored in Multiple Categories at The National Law Journal 2026 Elite Trial Lawyers Awards
• Kellogg Hansen Associate Jimmy Ruck Featured on Drug Label Litigation Panel
• Kellogg Hansen Partner Scott H. Angstreich Featured on PacerPro’s Lawyers Who Code Series
• Corning Incorporated Wins Trade Secrets Initial Determination at ITC
• Kellogg Hansen Welcomes Back New Partner and Of Counsels

Tags

• antitrust
• appeals

Categories

• Antitrust
• Commercial
• Government Investigations and White Collar
• Litigation Finance
• Securities Litigation
• Supreme Court and Appellate Practice
• Uncategorized