This is a list of the opinions of the Supreme Court of the United States

Supreme Court of the United States

The Supreme Court of the United States is the highest court in the United States. It has ultimate appellate jurisdiction over all state and federal courts, and original jurisdiction over a small range of cases...

 delivered during its 2009 term, which began October 5, 2009 and concluded October 3, 2010. The table illustrates which opinion was filed by each justice in each case, and which justices joined each opinion.

2009 term opinions

2009 term membership and statistics

This is the fifth term of Chief Justice Roberts' tenure, the first term for Justice Sotomayor, and the last term for Justice Stevens.

Justice	Appointed by	Date confirmed	% in majority	Opinions filed
Chief Justice Chief Justice of the United States The Chief Justice of the United States is the head of the United States federal court system and the chief judge of the Supreme Court of the United States. The Chief Justice is one of nine Supreme Court justices; the other eight are the Associate Justices of the Supreme Court of the United States...  John G. Roberts	George W. Bush George W. Bush George Walker Bush is an American politician who served as the 43rd President of the United States, from 2001 to 2009. Before that, he was the 46th Governor of Texas, having served from 1995 to 2000....	September 29, 2005	90.2%	8 3 2 2 Total=15
Associate Justice Associate Justice of the Supreme Court of the United States Associate Justices of the Supreme Court of the United States are the members of the Supreme Court of the United States other than the Chief Justice of the United States...  John Paul Stevens John Paul Stevens John Paul Stevens served as an Associate Justice of the Supreme Court of the United States from December 19, 1975 until his retirement on June 29, 2010. At the time of his retirement, he was the oldest member of the Court and the third-longest serving justice in the Court's history...	Gerald Ford Gerald Ford Gerald Rudolph "Jerry" Ford, Jr. was the 38th President of the United States, serving from 1974 to 1977, and the 40th Vice President of the United States serving from 1973 to 1974...	December 19, 1975	72.5%	6 13 2 12 Total=33
Associate Justice Antonin Scalia Antonin Scalia Antonin Gregory Scalia is an American jurist who serves as an Associate Justice of the Supreme Court of the United States. As the longest-serving justice on the Court, Scalia is the Senior Associate Justice...	Ronald Reagan Ronald Reagan Ronald Wilson Reagan was the 40th President of the United States , the 33rd Governor of California and, prior to that, a radio, film and television actor....	September 26, 1986	87.0%	8 15 0 6 Total=29
Associate Justice Anthony Kennedy Anthony Kennedy Anthony McLeod Kennedy is an Associate Justice of the United States Supreme Court, having been appointed by President Ronald Reagan in 1988. Since the retirement of Sandra Day O'Connor, Kennedy has often been the swing vote on many of the Court's politically charged 5–4 decisions...		February 18, 1988	90.2%	9 8 0 4 Total=21
Associate Justice Clarence Thomas Clarence Thomas Clarence Thomas is an Associate Justice of the Supreme Court of the United States. Succeeding Thurgood Marshall, Thomas is the second African American to serve on the Court....	George H. W. Bush George H. W. Bush George Herbert Walker Bush is an American politician who served as the 41st President of the United States . He had previously served as the 43rd Vice President of the United States , a congressman, an ambassador, and Director of Central Intelligence.Bush was born in Milton, Massachusetts, to...	October 23, 1991	84.8%	8 13 1 4 Total=26
Associate Justice Ruth Bader Ginsburg Ruth Bader Ginsburg Ruth Joan Bader Ginsburg is an Associate Justice of the Supreme Court of the United States. Ginsburg was appointed by President Bill Clinton and took the oath of office on August 10, 1993. She is the second female justice and the first Jewish female justice.She is generally viewed as belonging to...	Bill Clinton Bill Clinton William Jefferson "Bill" Clinton is an American politician who served as the 42nd President of the United States from 1993 to 2001. Inaugurated at age 46, he was the third-youngest president. He took office at the end of the Cold War, and was the first president of the baby boomer generation...	August 10, 1993	79.3%	9 3 0 3 Total=15
Associate Justice Stephen Breyer Stephen Breyer Stephen Gerald Breyer is an Associate Justice of the U.S. Supreme Court. Appointed by President Bill Clinton in 1994, and known for his pragmatic approach to constitutional law, Breyer is generally associated with the more liberal side of the Court....		August 3, 1994	76.9%	9 6 2 7 Total=24
Associate Justice Samuel Alito Samuel Alito Samuel Anthony Alito, Jr. is an Associate Justice of the U.S. Supreme Court. He was nominated by President George W. Bush and has served on the court since January 31, 2006....	George W. Bush	January 31, 2006	86.7%	8 10 0 7 Total=25
Associate Justice Sonia Sotomayor Sonia Sotomayor Sonia Maria Sotomayor is an Associate Justice of the Supreme Court of the United States, serving since August 2009. Sotomayor is the Court's 111th justice, its first Hispanic justice, and its third female justice....	Barack Obama Barack Obama Barack Hussein Obama II is the 44th and current President of the United States. He is the first African American to hold the office. Obama previously served as a United States Senator from Illinois, from January 2005 until he resigned following his victory in the 2008 presidential election.Born in...	August 6, 2009	80.2%	8 2 2 4 Total=16
Notes on statistics: A justice is only included in the majority if he or she joined or concurred in full in the Court's judgment. Percentages are based only on the cases in which a justice participated and are rounded to the nearest one-tenth of one percentage Percentage In mathematics, a percentage is a way of expressing a number as a fraction of 100 . It is often denoted using the percent sign, “%”, or the abbreviation “pct”. For example, 45% is equal to 45/100, or 0.45.Percentages are used to express how large/small one quantity is, relative to another quantity... point. The opinion counts only include the bench opinions listed above; opinions relating to orders and in-chambers opinions are not included.