Last week we reviewed the data for how long party briefing typically took in civil cases at the Supreme Court. This week, we’re looking at the next guideposts. The Supreme Court accepts additional briefs in nearly all its civil cases: amicus briefs; responses to amicus briefs; and supplemental briefs. How long does extra briefing typically
Amicus Curiae
Do Winning Parties Tend to Have More Amicus Support in Criminal Cases (Part 2)?

Yesterday, we analyzed the Court’s experience with amicus briefs in criminal cases between 1994 and 2005. Today, we’ll look at the Court’s experience with amicus briefs in criminal cases between 2006 and 2016.
Winners averaged more amicus support than losing parties in criminal affirmances only about one-third of the time during this period. In 2006,…
Do Winning Parties Tend to Have More Amicus Support in Criminal Cases (Part 1)?

Last week, we examined whether winning parties tended to average more amicus support in civil cases between 1994 and 2016. This week, we look at the Court’s experience with amicus briefs in criminal cases.
In Table 215, we report the data for affirmances between 1994 and 2006. We see very little correlation between the number…
Do Winning Parties Tend to Have More Amicus Support in Civil Cases (Part 2)?

Yesterday, we reviewed who averaged the most amicus support in civil cases between 1994 and 2005 – winning parties, losers, or parties who won only in part. Today, we address the data for the years 2006 through 2016.
Petitioners nearly always averaged more amicus briefs when the Court reversed (i.e., winning petitioners) than when the …
Do Winning Parties Tend to Have More Amicus Support in Civil Cases (Part 1)?

For the past two weeks, we’ve been reviewing the data on the Supreme Court’s experience with amicus briefs, asking whether petitioners or respondents tend to average more amicus support. Now, as a further step towards modeling the impact of amicus briefs, let’s look at whether winning or losing petitioners or respondents average more amicus support.…
Which Side Tends to File the Most Amicus Briefs in Criminal Cases (Part 2)?

Yesterday, we looked at the court’s experience with amicus briefs in criminal cases for the first half of our study period, 1994-2005. Today, we look at the data for the second half of the period.
For the most part, the relationship between the sides was the same – petitioners tend to get more amicus support…
Which Side Tends to File the Most Amicus Briefs in Criminal Cases (Part 1)?

Last week, we reviewed the year-by-year data since 1994 for amicus briefs, looking at whether more amici tend to support the petitioner or the respondent. This week, we’re looking at the Court’s experience with amicus briefs in criminal cases.
The primary lesson of the data is the obvious one: amicus briefs are far less commonplace…
Which Side Tends to File the Most Amicus Briefs in Civil Cases (Part 2)?

Yesterday, we looked at the year-by-year data in civil cases, dividing total amicus briefs up by the side supported – petitioner, respondent, and neither side/can’t determine. We discovered that three quarters of the time between 1994 and 2005, the petitioner averaged more amicus briefs than the respondent. So what about the second half of the…
Which Side Tends to File the Most Amicus Briefs in Civil Cases (Part 1)?

For the past several weeks, we’ve been reviewing the Supreme Court tenure of soon-to-retire Justice Kathryn Werdegar. This week, we begin a new topic. Several weeks ago, we tracked the average number of amicus briefs filed, case by case, from year to year. But with the expansion of our data library, we can now track…
Tracking the California Supreme Court’s Experience With Amicus Briefs in Criminal Cases (2008-2015)

Yesterday, we reviewed the California Supreme Court’s experience with amicus curiae briefs in civil cases between 2008 and 2015. Today, we conclude this topic with a review of the Court’s criminal cases during the same years.
Just as was true for the years 2000 to 2007, amicus briefs have been nowhere near as commonplace in…