How do judges of the Iowa Supreme Court reach the bench?

The court's current selection method is merit selection with retention.

Iowa Supreme Court / Joined 1929 / Served to 1932

John M. Grimm

Justice, Iowa Supreme Court

John M. Grimm was a Justice of the Iowa Supreme Court, who joined the court in 1929. Opinions & record ↓ Sources ↓

Tenure: 1929–1932 · 3 yrs

Judicial service

Year	Court	Appointed by	Vote
1929	Iowa Supreme Court	–	–

Judicial Record

In our data, Grimm authored 153 published opinions for the court (1928–1932), plus 14 dissents and 2 concurrences. Most cited: Siesseger v. Puth (97 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. 1 of these was attributed to Grimm 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
1931	Siesseger v. Puth	239 N.W. 46	97
1932	Wosoba v. Kenyon· Dissent	243 N.W. 569	50
1930	Iowa Limestone Co. v. Cook· Dissent	233 N.W. 682	42
1930	State v. Woodmansee· Dissent	233 N.W. 725	41
1932	Walker v. Speeder MacHinery Corp.	240 N.W. 725	33
1932	Dorman v. Credit Reference & Reporting Co.	241 N.W. 436	32
1929	Wolfson v. Jewett Lumber Co.	227 N.W. 608	28
1929	Crozier v. Hawkeye Stages, Inc.· Dissent	228 N.W. 320	27
1932	Arndt v. Lapel	243 N.W. 605	26
1932	State v. Fray· Dissent	241 N.W. 663	24
1930	Hodgson v. Keppel	232 N.W. 725	17
1932	Mason v. Mallard Telephone Co.	240 N.W. 671	16
1930	Leckliter v. City of Des Moines	233 N.W. 58	16
1932	In Re Will of Diver	240 N.W. 622	15
1931	Chicago, Rock Island & Pacific Railway Co. v. Streepy	236 N.W. 24	15

Showing the 15 most-cited of 169 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 Iowa Supreme Court reach the bench?: The court's current selection method is merit selection with retention.
Which court was John M. Grimm on?: John M. Grimm was a Justice of the Iowa Supreme Court.

Sources

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

How we source & reconcile data → Data & Sources

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