John P. Flaherty
John P. Flaherty was a Justice of the Supreme Court of Pennsylvania, who joined the court in 1979. He previously served on the Superior Court of California, County of Santa Clara. Opinions & record ↓ Sources ↓
- Born
- 1931 · age 95
- Tenure
- 1979–2001 · 22 yrs
Judicial service
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 1977 | Superior Court of California, County of Santa Clara | – | – |
| 1979 | Supreme Court of Pennsylvania | – | – |
Education
Judicial Record
In our data, Flaherty authored 668 published opinions for the court (1979–2002), plus 152 dissents and 123 concurrences. Most cited: Commonwealth v. Turner (4,184 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. 929 of these were attributed to Flaherty 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 |
|---|---|---|---|
| 1988 | Commonwealth v. Turner† | 544 A.2d 927 | 4,184 |
| 1998 | Commonwealth v. Grazier† | 713 A.2d 81 | 1,461 |
| 1993 | In re E.M.† | 533 Pa. 115 | 539 |
| 1998 | Commonwealth v. Peterkin† | 722 A.2d 638 | 447 |
| 1983 | Pocono International Raceway, Inc. v. Pocono Produce, Inc.† | 468 A.2d 468 | 439 |
| 1986 | Estate of McGovern v. Commonwealth, State Employees' Retirement Board† | 517 A.2d 523 | 423 |
| 1982 | Steuart v. McChesney† | 444 A.2d 659 | 419 |
| 1994 | Commonwealth v. Brown† | 648 A.2d 1177 | 387 |
| 1993 | Commonwealth v. Ellis† | 626 A.2d 1137 | 319 |
| 1983 | Carrender v. Fitterer· Concurrence† | 469 A.2d 120 | 317 |
| 1989 | Clay v. Advanced Computer Applications, Inc.† | 559 A.2d 917 | 282 |
| 1997 | Commonwealth v. Ahlborn† | 699 A.2d 718 | 277 |
| 1992 | Bethenergy Mines, Inc. v. Workmen's Compensation Appeal Board† | 612 A.2d 434 | 272 |
| 1992 | Commonwealth v. Smith† | 615 A.2d 321 | 264 |
| 2000 | Althaus Ex Rel. Althaus v. Cohen· Dissent† | 756 A.2d 1166 | 259 |
Showing the 15 most-cited of 943 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 Pennsylvania reach the bench?
- The court's current selection method is partisan election.
- Which court was John P. Flaherty on?
- John P. Flaherty was a Justice of the Supreme Court of Pennsylvania.
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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22 years on the Supreme Court of Pennsylvania. Data as of 2026-03-31. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).