California Court of Appeal / Joined 1986 / Served to 2017

William R. McGuiness

Presiding Justice, California Court of Appeal

William R. McGuiness was a Presiding Justice of the California Court of Appeal, who joined the court in 1986. Opinions & record ↓ Sources ↓

Tenure
1986–2017 · 31 yrs

Judicial service

YearCourtAppointed byVote
1986California Court of Appeal
2002California Court of Appeal

Judicial Record

In our data, McGuiness authored 108 published opinions for the court (1996–2017). Most cited: Howard v. Owens Corning (330 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. 28 of these were attributed to McGuiness 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
1999Howard v. Owens Corning85 Cal. Rptr. 2d 386330
1998Fireman's Fund Insurance v. Maryland Casualty Co.65 Cal. App. 4th 1279275
2001People v. Branch109 Cal. Rptr. 2d 870235
2005Peregrine Funding, Inc. v. Sheppard Mullin Richter & Hampton LLP35 Cal. Rptr. 3d 31232
2007People v. Brown54 Cal. Rptr. 3d 887228
1999City of Atascadero v. Merill Lynch, Pierce, Fenner & Smith, Inc.80 Cal. Rptr. 2d 329205
2000People v. Jennings97 Cal. Rptr. 2d 727186
1998Sangster v. Paetkau80 Cal. Rptr. 2d 66182
2008Amaral v. Cintas Corp. No. 2163 Cal. App. 4th 1157181
1998Morey v. Vannucci64 Cal. App. 4th 904136
2000Ringler Associates Inc. v. Maryland Casualty Co.96 Cal. Rptr. 2d 136131
2000Eben-King v. King80 Cal. App. 4th 92129
1996People v. Tom Cheng Hsang Liu46 Cal. App. 4th 1119128
2001People v. Hutchins109 Cal. Rptr. 2d 643124
2001People v. Dieguez107 Cal. Rptr. 2d 160117

Showing the 15 most-cited of 108 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 California Court of Appeal reach the bench?
The court's current selection method is merit selection with retention.
Which court was William R. McGuiness on?
William R. McGuiness was a Presiding Justice of the California Court of Appeal.

Sources

Each fact on this page traces to a primary public record.

How we source & reconcile data → Data & Sources

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