Diane S. Sykes


Diane Schwerm Sykes is an American jurist and lawyer who serves as a senior United States circuit judge of the United States [Court of Appeals for the Seventh Circuit|U.S. Court of Appeals for the Seventh Circuit]. She served as a justice of the Wisconsin Supreme Court from 1999 to 2004.

Early life and education

Sykes father, Gerald Schwerm, was Brown Deer village manager and later director of Milwaukee County Public Works, overseeing major public works projects, including an expansion of Mitchell International Airport. Her mother, Joyce Hanrahan Schwerm, was a guidance counselor at Shorewood High School who died at 59. She is of German and Irish ancestry. Sykes graduated from Brown Deer High School in 1976 and then earned a Bachelor of Science degree in journalism at Northwestern University in 1980, and a Juris Doctor at Marquette University Law School in 1984. Between college and law school she worked as a reporter for The Milwaukee Journal.

Legal career

After law school, from 1984 to 1985, Sykes clerked for Judge Terence T. Evans of the United States District Court for the Eastern District of Wisconsin. From 1985 to 1992, she worked in private practice as a litigator for Whyte & Hirschboeck, a medium-sized law firm in Milwaukee. Sykes won election to a newly created trial judge seat on the Milwaukee County Circuit Court in 1992, serving in the misdemeanor, felony, and civil divisions.
She left the trial court in 1999 when she was appointed to the Wisconsin Supreme Court, to fill a vacancy for Justice Donald W. Steinmetz. After being appointed to the Wisconsin Supreme Court, she was elected to the Supreme Court in April 2000, defeating Louis B. Butler, who was later appointed to the Wisconsin Supreme Court by Wisconsin Governor Jim Doyle in 2004.

Federal judicial service

President George W. Bush nominated Sykes to a seat on the United States Court of Appeals for the Seventh Circuit on November 14, 2003. The Senate Judiciary Committee approved her nomination by a 14–5 vote on March 11, 2004. The United States Senate confirmed her on June 24, 2004, by a 70–27 vote. She received her commission on July 1, 2004. She became Chief Judge on July 3, 2020.
In 2005, President Bush seriously considered nominating Sykes to succeed Sandra Day O'Connor on the Supreme Court of the United States. In 2017, Sykes was on President Donald Trump's list of potential Supreme Court justices.
On June 7, 2017, Rep. Louie Gohmert of Texas's 1st congressional district commented on her conservative judicial philosophy: "There are only two reliable originalists on the Seventh Circuit, Michael Kanne and Diane Sykes."
In March 2025, Sykes wrote to President Donald Trump that she would take senior status, effective October 1.

Notable cases

Personal life

In 1980, she married Charlie Sykes, who went on to become a conservative talk-show host on WTMJ Radio in Milwaukee. The couple had two children and divorced in 1999.
Sykes is a member of the Federalist Society.

Opinions

Wisconsin Supreme Court

', 245 Wis. 2d 632 – Dissent urging use of common law to overturn statutory rescission remedy in landlord-tenant law.
  • ', 255 Wis.2d 447 – Dissenting in part, denying statutory action for wrongful charges on cable bill, using "voluntary payment doctrine."', 254 Wis. 2d 347 – Opinion of the Court refusing a cause of action for retaliation involving terminated wife of police officer who ticketed a drunk driver.
  • ', 261 Wis.2d 97 – Dissent urging affirmation of verdict involving non-English speaking juror.', 270 Wis.2d 146 – Opinion of the Court denying statutory cause of action under Wisconsin Deceptive Trade Practices Act, using "economic loss doctrine".
  • ', 271 Wis.2d 633 – Opinion of the Court outlining the originalist and textualist method of statutory interpretation and clarifying the role of deference to the legislature's policy determinations in judicial review.

U.S. Court of Appeals for the Seventh Circuit

' 453 F.3d 853 – Opinion for the panel reversing the district court's denial of Christian Legal Society's motion for a temporary injunction.
  • ', 635 F.3d 290 – Opinion for the panel holding that wildflower art is not copyrightable 651 F.3d 684 – Opinion for the panel holding that firing ranges are protected under the Second Amendment and granting preliminary injunction against Chicago's ban on firing ranges

Separate opinions

Casey K. v. St. Anne Community High Sch. Dist. No. 302, 400 F.3d 508 United States v. O'Neill, 437 F.3d 654 In re United Airlines, 438 F.3d 720 Johns v. Laidlaw Ed. Serv.,199 Fed. Appx. 568 Currie v. Paper Converting Machine Co., 202 Fed. Appx. 120 Loubster v. Thacker, 440 F.3d 439 Laskowski v. Spellings, 443 F.3d 930, vacated sub nom. Notre Dame v. Laskowski, 127 S. Ct. 3051 Winkler v. Gates, 481 F.3d 977 IBEW v. Ill. Bell Telephone Co., 491 F.3d 685 Mainstreet Org. of Realtors v. Calumet City, 505 F.3d 742

Publications

  • Hallows Lecture: Reflections on the Wisconsin Supreme Court, 89 Marq. L. Rev. 723 "Of a Judiciary Nature": Observations on Chief Justice Roberts's First Opinions, 34 Pepp. L. Rev. 1027 Religious Liberties: The Role of Religion in Public Debate, 20 Regent U. L. Rev. 301 Citation to Unpublished Orders Under New FRAP Rule 32.1 and Circuit Rule 32.1: Early Experience in the Seventh Circuit, 32 S. Ill. U. L. J. 579 Independence versus Accountability: Finding a Balance Amidst the Changing Politics of State Court Judicial Selection, 92 Marq. L. Rev. 341