Arguing Counsel
William Mattingly
3 argued cases on the Fourth Circuit calendar in our archive.
By subject area
- BLACK LUNG3
By outcome
- Affirmed2
- Vacated & Remanded1
Cases
- Island Creek Coal Company v. DOWCPOpinion IssuedAffirmed24-1056BLACK LUNGArgued Mar 18, 2026Panel: Judge Wilkinson, Judge Niemeyer, Judge King
- Wolf Run Mining Company v. DOWCPOpinion IssuedAffirmed24-2262BLACK LUNGArgued Feb 25, 2026Panel: Chief Judge Diaz, Judge King, Judge ThackerWith:Brad Austin
- Island Creek Coal Company v. Daniel Looney ClauseOpinion IssuedVacated & Remanded20-1888BLACK LUNGArgued Oct 26, 2023Panel: Judge Gregory, Judge Agee, Judge Ballou*