Supreme Court of Delaware / Joined 1978 / Served to 1983

William T. Quillen

Justice, Supreme Court of Delaware

William T. Quillen was a Justice of the Supreme Court of Delaware, who joined the court in 1978. Opinions & record ↓ Sources ↓

Tenure
1978–1983 · 5 yrs

Judicial service

YearCourtAppointed byVote
1978Supreme Court of Delaware

Judicial Record

In our data, Quillen authored 57 published opinions for the court (1979–1983), plus 5 dissents and 4 concurrences. Most cited: Zapata Corp. v. Maldonado (335 citations).

Published, precedential opinions from the CourtListener corpus. Counts and rankings are objective and recomputable: how we count. We describe the record, not the judge. 65 of these were attributed to Quillen by a unique court-, date-, and surname-match against our roster (marked ), because CourtListener recorded no author for them. Each links to the official text to verify. How we match.

Selected opinions

YearCaseCitationCited
1981Zapata Corp. v. Maldonado430 A.2d 779335
1980Hooks v. State416 A.2d 189167
1982Istituto Bancario Italiano SpA v. Hunter Engineering Co.449 A.2d 210122
1979Storey v. Camper401 A.2d 45884
1982Dutton v. State452 A.2d 12782
1982Realty Growth Investors v. Council of Unit Owners453 A.2d 45075
1982Harman v. Masoneilan International, Inc.· Concurrence442 A.2d 48771
1980Tyre v. State412 A.2d 32669
1981Lynch v. Vickers Energy Corp.· Dissent429 A.2d 49761
1979Dunn v. St. Francis Hospital, Inc.401 A.2d 7756
1982DiSabatino Bros., Inc. v. Wortman453 A.2d 10254
1980Allied Artists Pictures Corp. v. Baron413 A.2d 87654
1980Bell v. Kirby Lumber Corp.· Concurrence413 A.2d 13751
1980Hunter v. State· Concurrence420 A.2d 11947
1983Frank G.W. v. Carol M.W.457 A.2d 71544

Showing the 15 most-cited of 66 authored opinions in our data. “Cited” is inbound citations across the CourtListener corpus. Case links open the ruling’s full text (CourtListener) or its page here; read the methodology and verify against the primary source.

Questions & answers

How do judges of the Supreme Court of Delaware reach the bench?
The court's current selection method is gubernatorial appointment.
Which court was William T. Quillen on?
William T. Quillen was a Justice of the Supreme Court of Delaware.

Sources

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5 years on the Supreme Court of Delaware. Data as of 2026-03-31. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).