William J. Kayatta, Jr.


Senior
United States Court of Appeals for the First Circuit
Obama · 2013 13 years on the bench
Court
United States Court of Appeals for the First Circuit
Class
Senior
Seat
Senior Judge
Appointed by
President Barack Obama
Commissioned
February 14, 2013
Years of service
13 years on the bench
Assumed senior status
October 31, 2024
Education
Harvard Law School, J.D. 1979
Amherst College, B.A. 1976
Official biography
Court biography →

Authored opinions (29 recorded, Sep 2023–Sep 2026)

senior 2024 TBL Licensing LLC, f/k/a the Timberland Co.Subsid v. Werfel — Sep 8, 2023 Becky's Broncos, LLC v. Town of Nantucket — May 23, 2025 US v. Rosario-Ramos — May 28, 2025 US v. Pullman — Jun 2, 2025 Tran v. Citizens Bank, N.A. — Jul 1, 2025 US v. Flores-Nater — Jul 14, 2025 Menninger v. PPD Development, L.P. — Jul 24, 2025 Cintron v. Bibeault — Aug 5, 2025 State Teachers Retirement System of Ohio v. Charles River Laboratories International, Inc. — Aug 15, 2025 Warner v. Steiner — Sep 4, 2025 Velez v. Eutzy — Sep 16, 2025 StandWithUs Center for Legal Justice v. MIT — Oct 21, 2025 US v. Pittmann — Oct 22, 2025 Orkin v. Albert — Dec 11, 2025 Mongue v. The Wheatleigh Corporation — Jan 21, 2026 StandWithUs Center for Legal Justice v. MIT — Jan 21, 2026 US v. Parlin — Mar 11, 2026 ZipBy USA LLC v. Parzych — Mar 20, 2026 Manzo v. Wohlstadter — Mar 24, 2026 Harris v. National Grid USA Service Company, Inc. — Mar 24, 2026 US v. Johnson — May 28, 2026 Jordan v. Lizotte — Jun 5, 2026 US v. McKenzie — Jun 12, 2026 Hernandez Zorilla v. FOMB — Jun 12, 2026 Crosspoint Church v. Makin — Jul 2, 2026 St. Dominic Academy v. Makin — Jul 2, 2026 North End Chamber of Commerce, Inc. v. City of Boston — Jul 30, 2026 LUMA Energy LLC v. Puerto Rico Dep't of Consumer Affairs — Aug 13, 2026 SEC v. Gastauer — Aug 19, 2026 2023 2026

Each mark is a majority opinion this judge wrote; hover for the case (hollow marks were later vacated). The timeline begins with the earliest opinion in the database (September 2023), not the judge’s first day on the bench; earlier opinions may predate it.

Judicial activity

Drawn from 392 tagged published First Circuit opinions. Consolidated cases are counted once.

Published cases decided
86
In majority
86
Wrote majority
29
Maj. rate
100%
Court average: 99%
Concurrences
2
Concur. in J.
0
Dissents
0
Partial diss.
0

Most frequent panel partners

Lara E. Montecalvo 33 times in the majority together
David J. Barron 23 times in the majority together
Sandra L. Lynch 19 times in the majority together
Gustavo A. Gelpí 18 times in the majority together
Seth R. Aframe 17 times in the majority together
Julie Rikelman 11 times in the majority together

Notable opinions authored

Jul 2, 2026 Rev’d in part

St. Dominic Academy v. Makin

Sep 11, 2025 Stay pending appeal — Denied · joined majority

State of Rhode Island v. Trump

Recent opinions authored