Collins J. Seitz
Collins J. Seitz is a Chief Justice of the Supreme Court of Delaware, serving since 2015. Opinions & record ↓ Sources ↓
- Tenure
- Since 2015 · 11 yrs
Judicial service
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 2015 | Supreme Court of Delaware | – | – |
Education
Judicial Record
In our data, Seitz authored 1,067 published opinions for the court (2015–2025), plus 1 dissent and 1 concurrence. Most cited: Dieckman v. Regency GP LP, Regency GP LLC (120 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. 12 of these were attributed to Seitz 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 |
|---|---|---|---|
| 2017 | Dieckman v. Regency GP LP, Regency GP LLC | 155 A.3d 358 | 120 |
| 2015 | SIGA Technologies, Inc. v. Pharmathene, Inc. | 132 A.3d 1108 | 84 |
| 2018 | Town of Cheswold v. Central Delaware Business Park | 188 A.3d 810 | 75 |
| 2015 | Starling v. State | 130 A.3d 316 | 62 |
| 2017 | Shawe v. Elting | 157 A.3d 142 | 59 |
| 2017 | Brinckerhoff v. Enbridge Energy Company, Inc. | 159 A.3d 242 | 55 |
| 2017 | Shawe v. Elting | 157 A.3d 152 | 53 |
| 2017 | In Re Investors Bancorp, Inc. Stockholder Litigation | 177 A.3d 1208 | 42 |
| 2017 | City of Birmingham Retirement & Relief System v. Good | 177 A.3d 47 | 41 |
| 2015 | Stayton v. Delaware Health Corporation | 117 A.3d 521 | 28 |
| 2019 | Olenik v. Lodzinski | 208 A.3d 704 | 25 |
| 2016 | Enrique v. State Farm Mutual Automobile Insurance Co.† | 142 A.3d 506 | 22 |
| 2016 | McCaffrey v. City of Wilmington | 133 A.3d 536 | 22 |
| 2016 | West v. State† | 143 A.3d 712 | 19 |
| 2019 | Taylor v. State | 213 A.3d 560 | 18 |
Showing the 15 most-cited of 1,069 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 is Collins J. Seitz on?
- Collins J. Seitz is a Chief Justice of the Supreme Court of Delaware.
Sources
Each fact on this page traces to a primary public record.
- CourtListener / Free Law Project
- Current roster: Delaware Courts — Supreme Court Judicial Officers (courts.delaware.gov)
- CourtListener bulk data (Free Law Project): authored opinions & citation counts
How we source & reconcile data → Data & Sources
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11 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).