William T. Quillen
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
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 1978 | Supreme 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
| Year | Case | Citation | Cited |
|---|---|---|---|
| 1981 | Zapata Corp. v. Maldonado† | 430 A.2d 779 | 335 |
| 1980 | Hooks v. State† | 416 A.2d 189 | 167 |
| 1982 | Istituto Bancario Italiano SpA v. Hunter Engineering Co.† | 449 A.2d 210 | 122 |
| 1979 | Storey v. Camper† | 401 A.2d 458 | 84 |
| 1982 | Dutton v. State† | 452 A.2d 127 | 82 |
| 1982 | Realty Growth Investors v. Council of Unit Owners† | 453 A.2d 450 | 75 |
| 1982 | Harman v. Masoneilan International, Inc.· Concurrence† | 442 A.2d 487 | 71 |
| 1980 | Tyre v. State† | 412 A.2d 326 | 69 |
| 1981 | Lynch v. Vickers Energy Corp.· Dissent† | 429 A.2d 497 | 61 |
| 1979 | Dunn v. St. Francis Hospital, Inc.† | 401 A.2d 77 | 56 |
| 1982 | DiSabatino Bros., Inc. v. Wortman† | 453 A.2d 102 | 54 |
| 1980 | Allied Artists Pictures Corp. v. Baron† | 413 A.2d 876 | 54 |
| 1980 | Bell v. Kirby Lumber Corp.· Concurrence† | 413 A.2d 137 | 51 |
| 1980 | Hunter v. State· Concurrence† | 420 A.2d 119 | 47 |
| 1983 | Frank G.W. v. Carol M.W.† | 457 A.2d 715 | 44 |
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
Each fact on this page traces to a primary public record.
- CourtListener / Free Law Project
- CourtListener bulk data (Free Law Project): authored opinions & citation counts
How we source & reconcile data → Data & 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).